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1/*
2 * Copyright 2015 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#include <linux/pci.h>
25
26#include <drm/drm_edid.h>
27#include <drm/drm_fourcc.h>
28#include <drm/drm_modeset_helper.h>
29#include <drm/drm_modeset_helper_vtables.h>
30#include <drm/drm_vblank.h>
31
32#include "amdgpu.h"
33#include "amdgpu_pm.h"
34#include "amdgpu_i2c.h"
35#include "atom.h"
36#include "amdgpu_atombios.h"
37#include "atombios_crtc.h"
38#include "atombios_encoders.h"
39#include "amdgpu_pll.h"
40#include "amdgpu_connectors.h"
41#include "amdgpu_display.h"
42
43#include "bif/bif_3_0_d.h"
44#include "bif/bif_3_0_sh_mask.h"
45#include "oss/oss_1_0_d.h"
46#include "oss/oss_1_0_sh_mask.h"
47#include "gca/gfx_6_0_d.h"
48#include "gca/gfx_6_0_sh_mask.h"
49#include "gmc/gmc_6_0_d.h"
50#include "gmc/gmc_6_0_sh_mask.h"
51#include "dce/dce_6_0_d.h"
52#include "dce/dce_6_0_sh_mask.h"
53#include "gca/gfx_7_2_enum.h"
54#include "dce_v6_0.h"
55#include "si_enums.h"
56
57static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev);
58static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev);
59
60static const u32 crtc_offsets[6] =
61{
62 SI_CRTC0_REGISTER_OFFSET,
63 SI_CRTC1_REGISTER_OFFSET,
64 SI_CRTC2_REGISTER_OFFSET,
65 SI_CRTC3_REGISTER_OFFSET,
66 SI_CRTC4_REGISTER_OFFSET,
67 SI_CRTC5_REGISTER_OFFSET
68};
69
70static const u32 hpd_offsets[] =
71{
72 mmDC_HPD1_INT_STATUS - mmDC_HPD1_INT_STATUS,
73 mmDC_HPD2_INT_STATUS - mmDC_HPD1_INT_STATUS,
74 mmDC_HPD3_INT_STATUS - mmDC_HPD1_INT_STATUS,
75 mmDC_HPD4_INT_STATUS - mmDC_HPD1_INT_STATUS,
76 mmDC_HPD5_INT_STATUS - mmDC_HPD1_INT_STATUS,
77 mmDC_HPD6_INT_STATUS - mmDC_HPD1_INT_STATUS,
78};
79
80static const uint32_t dig_offsets[] = {
81 SI_CRTC0_REGISTER_OFFSET,
82 SI_CRTC1_REGISTER_OFFSET,
83 SI_CRTC2_REGISTER_OFFSET,
84 SI_CRTC3_REGISTER_OFFSET,
85 SI_CRTC4_REGISTER_OFFSET,
86 SI_CRTC5_REGISTER_OFFSET,
87 (0x13830 - 0x7030) >> 2,
88};
89
90static const struct {
91 uint32_t reg;
92 uint32_t vblank;
93 uint32_t vline;
94 uint32_t hpd;
95
96} interrupt_status_offsets[6] = { {
97 .reg = mmDISP_INTERRUPT_STATUS,
98 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
99 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
100 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
101}, {
102 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
103 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
104 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
105 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
106}, {
107 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
108 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
109 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
110 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
111}, {
112 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
113 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
114 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
115 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
116}, {
117 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
118 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
119 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
120 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
121}, {
122 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
123 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
124 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
125 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
126} };
127
128static u32 dce_v6_0_audio_endpt_rreg(struct amdgpu_device *adev,
129 u32 block_offset, u32 reg)
130{
131 unsigned long flags;
132 u32 r;
133
134 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
135 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
136 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
137 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
138
139 return r;
140}
141
142static void dce_v6_0_audio_endpt_wreg(struct amdgpu_device *adev,
143 u32 block_offset, u32 reg, u32 v)
144{
145 unsigned long flags;
146
147 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
148 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset,
149 reg | AZALIA_F0_CODEC_ENDPOINT_INDEX__AZALIA_ENDPOINT_REG_WRITE_EN_MASK);
150 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
151 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
152}
153
154static u32 dce_v6_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
155{
156 if (crtc >= adev->mode_info.num_crtc)
157 return 0;
158 else
159 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
160}
161
162static void dce_v6_0_pageflip_interrupt_init(struct amdgpu_device *adev)
163{
164 unsigned i;
165
166 /* Enable pflip interrupts */
167 for (i = 0; i < adev->mode_info.num_crtc; i++)
168 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
169}
170
171static void dce_v6_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
172{
173 unsigned i;
174
175 /* Disable pflip interrupts */
176 for (i = 0; i < adev->mode_info.num_crtc; i++)
177 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
178}
179
180/**
181 * dce_v6_0_page_flip - pageflip callback.
182 *
183 * @adev: amdgpu_device pointer
184 * @crtc_id: crtc to cleanup pageflip on
185 * @crtc_base: new address of the crtc (GPU MC address)
186 * @async: asynchronous flip
187 *
188 * Does the actual pageflip (evergreen+).
189 * During vblank we take the crtc lock and wait for the update_pending
190 * bit to go high, when it does, we release the lock, and allow the
191 * double buffered update to take place.
192 * Returns the current update pending status.
193 */
194static void dce_v6_0_page_flip(struct amdgpu_device *adev,
195 int crtc_id, u64 crtc_base, bool async)
196{
197 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
198 struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
199
200 /* flip at hsync for async, default is vsync */
201 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
202 GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
203 /* update pitch */
204 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
205 fb->pitches[0] / fb->format->cpp[0]);
206 /* update the scanout addresses */
207 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
208 upper_32_bits(crtc_base));
209 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
210 (u32)crtc_base);
211
212 /* post the write */
213 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
214}
215
216static int dce_v6_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
217 u32 *vbl, u32 *position)
218{
219 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
220 return -EINVAL;
221 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
222 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
223
224 return 0;
225
226}
227
228/**
229 * dce_v6_0_hpd_sense - hpd sense callback.
230 *
231 * @adev: amdgpu_device pointer
232 * @hpd: hpd (hotplug detect) pin
233 *
234 * Checks if a digital monitor is connected (evergreen+).
235 * Returns true if connected, false if not connected.
236 */
237static bool dce_v6_0_hpd_sense(struct amdgpu_device *adev,
238 enum amdgpu_hpd_id hpd)
239{
240 bool connected = false;
241
242 if (hpd >= adev->mode_info.num_hpd)
243 return connected;
244
245 if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) & DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
246 connected = true;
247
248 return connected;
249}
250
251/**
252 * dce_v6_0_hpd_set_polarity - hpd set polarity callback.
253 *
254 * @adev: amdgpu_device pointer
255 * @hpd: hpd (hotplug detect) pin
256 *
257 * Set the polarity of the hpd pin (evergreen+).
258 */
259static void dce_v6_0_hpd_set_polarity(struct amdgpu_device *adev,
260 enum amdgpu_hpd_id hpd)
261{
262 u32 tmp;
263 bool connected = dce_v6_0_hpd_sense(adev, hpd);
264
265 if (hpd >= adev->mode_info.num_hpd)
266 return;
267
268 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
269 if (connected)
270 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
271 else
272 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
273 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
274}
275
276/**
277 * dce_v6_0_hpd_init - hpd setup callback.
278 *
279 * @adev: amdgpu_device pointer
280 *
281 * Setup the hpd pins used by the card (evergreen+).
282 * Enable the pin, set the polarity, and enable the hpd interrupts.
283 */
284static void dce_v6_0_hpd_init(struct amdgpu_device *adev)
285{
286 struct drm_device *dev = adev_to_drm(adev);
287 struct drm_connector *connector;
288 struct drm_connector_list_iter iter;
289 u32 tmp;
290
291 drm_connector_list_iter_begin(dev, &iter);
292 drm_for_each_connector_iter(connector, &iter) {
293 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
294
295 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
296 continue;
297
298 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
299 tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
300 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
301
302 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
303 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
304 /* don't try to enable hpd on eDP or LVDS avoid breaking the
305 * aux dp channel on imac and help (but not completely fix)
306 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
307 * also avoid interrupt storms during dpms.
308 */
309 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
310 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
311 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
312 continue;
313 }
314
315 dce_v6_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
316 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
317 }
318 drm_connector_list_iter_end(&iter);
319}
320
321/**
322 * dce_v6_0_hpd_fini - hpd tear down callback.
323 *
324 * @adev: amdgpu_device pointer
325 *
326 * Tear down the hpd pins used by the card (evergreen+).
327 * Disable the hpd interrupts.
328 */
329static void dce_v6_0_hpd_fini(struct amdgpu_device *adev)
330{
331 struct drm_device *dev = adev_to_drm(adev);
332 struct drm_connector *connector;
333 struct drm_connector_list_iter iter;
334 u32 tmp;
335
336 drm_connector_list_iter_begin(dev, &iter);
337 drm_for_each_connector_iter(connector, &iter) {
338 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
339
340 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
341 continue;
342
343 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
344 tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
345 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
346
347 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
348 }
349 drm_connector_list_iter_end(&iter);
350}
351
352static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
353{
354 return mmDC_GPIO_HPD_A;
355}
356
357static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev,
358 bool render)
359{
360 if (!render)
361 WREG32(mmVGA_RENDER_CONTROL,
362 RREG32(mmVGA_RENDER_CONTROL) & VGA_VSTATUS_CNTL);
363
364}
365
366static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev)
367{
368 switch (adev->asic_type) {
369 case CHIP_TAHITI:
370 case CHIP_PITCAIRN:
371 case CHIP_VERDE:
372 return 6;
373 case CHIP_OLAND:
374 return 2;
375 default:
376 return 0;
377 }
378}
379
380void dce_v6_0_disable_dce(struct amdgpu_device *adev)
381{
382 /*Disable VGA render and enabled crtc, if has DCE engine*/
383 if (amdgpu_atombios_has_dce_engine_info(adev)) {
384 u32 tmp;
385 int crtc_enabled, i;
386
387 dce_v6_0_set_vga_render_state(adev, false);
388
389 /*Disable crtc*/
390 for (i = 0; i < dce_v6_0_get_num_crtc(adev); i++) {
391 crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) &
392 CRTC_CONTROL__CRTC_MASTER_EN_MASK;
393 if (crtc_enabled) {
394 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
395 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
396 tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
397 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
398 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
399 }
400 }
401 }
402}
403
404static void dce_v6_0_program_fmt(struct drm_encoder *encoder)
405{
406
407 struct drm_device *dev = encoder->dev;
408 struct amdgpu_device *adev = drm_to_adev(dev);
409 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
410 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
411 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
412 int bpc = 0;
413 u32 tmp = 0;
414 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
415
416 if (connector) {
417 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
418 bpc = amdgpu_connector_get_monitor_bpc(connector);
419 dither = amdgpu_connector->dither;
420 }
421
422 /* LVDS FMT is set up by atom */
423 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
424 return;
425
426 if (bpc == 0)
427 return;
428
429
430 switch (bpc) {
431 case 6:
432 if (dither == AMDGPU_FMT_DITHER_ENABLE)
433 /* XXX sort out optimal dither settings */
434 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
435 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
436 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK);
437 else
438 tmp |= FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK;
439 break;
440 case 8:
441 if (dither == AMDGPU_FMT_DITHER_ENABLE)
442 /* XXX sort out optimal dither settings */
443 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
444 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
445 FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
446 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
447 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH_MASK);
448 else
449 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
450 FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH_MASK);
451 break;
452 case 10:
453 default:
454 /* not needed */
455 break;
456 }
457
458 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
459}
460
461/**
462 * si_get_number_of_dram_channels - get the number of dram channels
463 *
464 * @adev: amdgpu_device pointer
465 *
466 * Look up the number of video ram channels (CIK).
467 * Used for display watermark bandwidth calculations
468 * Returns the number of dram channels
469 */
470static u32 si_get_number_of_dram_channels(struct amdgpu_device *adev)
471{
472 u32 tmp = RREG32(mmMC_SHARED_CHMAP);
473
474 switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
475 case 0:
476 default:
477 return 1;
478 case 1:
479 return 2;
480 case 2:
481 return 4;
482 case 3:
483 return 8;
484 case 4:
485 return 3;
486 case 5:
487 return 6;
488 case 6:
489 return 10;
490 case 7:
491 return 12;
492 case 8:
493 return 16;
494 }
495}
496
497struct dce6_wm_params {
498 u32 dram_channels; /* number of dram channels */
499 u32 yclk; /* bandwidth per dram data pin in kHz */
500 u32 sclk; /* engine clock in kHz */
501 u32 disp_clk; /* display clock in kHz */
502 u32 src_width; /* viewport width */
503 u32 active_time; /* active display time in ns */
504 u32 blank_time; /* blank time in ns */
505 bool interlaced; /* mode is interlaced */
506 fixed20_12 vsc; /* vertical scale ratio */
507 u32 num_heads; /* number of active crtcs */
508 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
509 u32 lb_size; /* line buffer allocated to pipe */
510 u32 vtaps; /* vertical scaler taps */
511};
512
513/**
514 * dce_v6_0_dram_bandwidth - get the dram bandwidth
515 *
516 * @wm: watermark calculation data
517 *
518 * Calculate the raw dram bandwidth (CIK).
519 * Used for display watermark bandwidth calculations
520 * Returns the dram bandwidth in MBytes/s
521 */
522static u32 dce_v6_0_dram_bandwidth(struct dce6_wm_params *wm)
523{
524 /* Calculate raw DRAM Bandwidth */
525 fixed20_12 dram_efficiency; /* 0.7 */
526 fixed20_12 yclk, dram_channels, bandwidth;
527 fixed20_12 a;
528
529 a.full = dfixed_const(1000);
530 yclk.full = dfixed_const(wm->yclk);
531 yclk.full = dfixed_div(yclk, a);
532 dram_channels.full = dfixed_const(wm->dram_channels * 4);
533 a.full = dfixed_const(10);
534 dram_efficiency.full = dfixed_const(7);
535 dram_efficiency.full = dfixed_div(dram_efficiency, a);
536 bandwidth.full = dfixed_mul(dram_channels, yclk);
537 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
538
539 return dfixed_trunc(bandwidth);
540}
541
542/**
543 * dce_v6_0_dram_bandwidth_for_display - get the dram bandwidth for display
544 *
545 * @wm: watermark calculation data
546 *
547 * Calculate the dram bandwidth used for display (CIK).
548 * Used for display watermark bandwidth calculations
549 * Returns the dram bandwidth for display in MBytes/s
550 */
551static u32 dce_v6_0_dram_bandwidth_for_display(struct dce6_wm_params *wm)
552{
553 /* Calculate DRAM Bandwidth and the part allocated to display. */
554 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
555 fixed20_12 yclk, dram_channels, bandwidth;
556 fixed20_12 a;
557
558 a.full = dfixed_const(1000);
559 yclk.full = dfixed_const(wm->yclk);
560 yclk.full = dfixed_div(yclk, a);
561 dram_channels.full = dfixed_const(wm->dram_channels * 4);
562 a.full = dfixed_const(10);
563 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
564 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
565 bandwidth.full = dfixed_mul(dram_channels, yclk);
566 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
567
568 return dfixed_trunc(bandwidth);
569}
570
571/**
572 * dce_v6_0_data_return_bandwidth - get the data return bandwidth
573 *
574 * @wm: watermark calculation data
575 *
576 * Calculate the data return bandwidth used for display (CIK).
577 * Used for display watermark bandwidth calculations
578 * Returns the data return bandwidth in MBytes/s
579 */
580static u32 dce_v6_0_data_return_bandwidth(struct dce6_wm_params *wm)
581{
582 /* Calculate the display Data return Bandwidth */
583 fixed20_12 return_efficiency; /* 0.8 */
584 fixed20_12 sclk, bandwidth;
585 fixed20_12 a;
586
587 a.full = dfixed_const(1000);
588 sclk.full = dfixed_const(wm->sclk);
589 sclk.full = dfixed_div(sclk, a);
590 a.full = dfixed_const(10);
591 return_efficiency.full = dfixed_const(8);
592 return_efficiency.full = dfixed_div(return_efficiency, a);
593 a.full = dfixed_const(32);
594 bandwidth.full = dfixed_mul(a, sclk);
595 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
596
597 return dfixed_trunc(bandwidth);
598}
599
600/**
601 * dce_v6_0_dmif_request_bandwidth - get the dmif bandwidth
602 *
603 * @wm: watermark calculation data
604 *
605 * Calculate the dmif bandwidth used for display (CIK).
606 * Used for display watermark bandwidth calculations
607 * Returns the dmif bandwidth in MBytes/s
608 */
609static u32 dce_v6_0_dmif_request_bandwidth(struct dce6_wm_params *wm)
610{
611 /* Calculate the DMIF Request Bandwidth */
612 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
613 fixed20_12 disp_clk, bandwidth;
614 fixed20_12 a, b;
615
616 a.full = dfixed_const(1000);
617 disp_clk.full = dfixed_const(wm->disp_clk);
618 disp_clk.full = dfixed_div(disp_clk, a);
619 a.full = dfixed_const(32);
620 b.full = dfixed_mul(a, disp_clk);
621
622 a.full = dfixed_const(10);
623 disp_clk_request_efficiency.full = dfixed_const(8);
624 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
625
626 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
627
628 return dfixed_trunc(bandwidth);
629}
630
631/**
632 * dce_v6_0_available_bandwidth - get the min available bandwidth
633 *
634 * @wm: watermark calculation data
635 *
636 * Calculate the min available bandwidth used for display (CIK).
637 * Used for display watermark bandwidth calculations
638 * Returns the min available bandwidth in MBytes/s
639 */
640static u32 dce_v6_0_available_bandwidth(struct dce6_wm_params *wm)
641{
642 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
643 u32 dram_bandwidth = dce_v6_0_dram_bandwidth(wm);
644 u32 data_return_bandwidth = dce_v6_0_data_return_bandwidth(wm);
645 u32 dmif_req_bandwidth = dce_v6_0_dmif_request_bandwidth(wm);
646
647 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
648}
649
650/**
651 * dce_v6_0_average_bandwidth - get the average available bandwidth
652 *
653 * @wm: watermark calculation data
654 *
655 * Calculate the average available bandwidth used for display (CIK).
656 * Used for display watermark bandwidth calculations
657 * Returns the average available bandwidth in MBytes/s
658 */
659static u32 dce_v6_0_average_bandwidth(struct dce6_wm_params *wm)
660{
661 /* Calculate the display mode Average Bandwidth
662 * DisplayMode should contain the source and destination dimensions,
663 * timing, etc.
664 */
665 fixed20_12 bpp;
666 fixed20_12 line_time;
667 fixed20_12 src_width;
668 fixed20_12 bandwidth;
669 fixed20_12 a;
670
671 a.full = dfixed_const(1000);
672 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
673 line_time.full = dfixed_div(line_time, a);
674 bpp.full = dfixed_const(wm->bytes_per_pixel);
675 src_width.full = dfixed_const(wm->src_width);
676 bandwidth.full = dfixed_mul(src_width, bpp);
677 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
678 bandwidth.full = dfixed_div(bandwidth, line_time);
679
680 return dfixed_trunc(bandwidth);
681}
682
683/**
684 * dce_v6_0_latency_watermark - get the latency watermark
685 *
686 * @wm: watermark calculation data
687 *
688 * Calculate the latency watermark (CIK).
689 * Used for display watermark bandwidth calculations
690 * Returns the latency watermark in ns
691 */
692static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
693{
694 /* First calculate the latency in ns */
695 u32 mc_latency = 2000; /* 2000 ns. */
696 u32 available_bandwidth = dce_v6_0_available_bandwidth(wm);
697 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
698 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
699 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
700 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
701 (wm->num_heads * cursor_line_pair_return_time);
702 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
703 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
704 u32 tmp, dmif_size = 12288;
705 fixed20_12 a, b, c;
706
707 if (wm->num_heads == 0)
708 return 0;
709
710 a.full = dfixed_const(2);
711 b.full = dfixed_const(1);
712 if ((wm->vsc.full > a.full) ||
713 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
714 (wm->vtaps >= 5) ||
715 ((wm->vsc.full >= a.full) && wm->interlaced))
716 max_src_lines_per_dst_line = 4;
717 else
718 max_src_lines_per_dst_line = 2;
719
720 a.full = dfixed_const(available_bandwidth);
721 b.full = dfixed_const(wm->num_heads);
722 a.full = dfixed_div(a, b);
723 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
724 tmp = min(dfixed_trunc(a), tmp);
725
726 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
727
728 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
729 b.full = dfixed_const(1000);
730 c.full = dfixed_const(lb_fill_bw);
731 b.full = dfixed_div(c, b);
732 a.full = dfixed_div(a, b);
733 line_fill_time = dfixed_trunc(a);
734
735 if (line_fill_time < wm->active_time)
736 return latency;
737 else
738 return latency + (line_fill_time - wm->active_time);
739
740}
741
742/**
743 * dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display - check
744 * average and available dram bandwidth
745 *
746 * @wm: watermark calculation data
747 *
748 * Check if the display average bandwidth fits in the display
749 * dram bandwidth (CIK).
750 * Used for display watermark bandwidth calculations
751 * Returns true if the display fits, false if not.
752 */
753static bool dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
754{
755 if (dce_v6_0_average_bandwidth(wm) <=
756 (dce_v6_0_dram_bandwidth_for_display(wm) / wm->num_heads))
757 return true;
758 else
759 return false;
760}
761
762/**
763 * dce_v6_0_average_bandwidth_vs_available_bandwidth - check
764 * average and available bandwidth
765 *
766 * @wm: watermark calculation data
767 *
768 * Check if the display average bandwidth fits in the display
769 * available bandwidth (CIK).
770 * Used for display watermark bandwidth calculations
771 * Returns true if the display fits, false if not.
772 */
773static bool dce_v6_0_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
774{
775 if (dce_v6_0_average_bandwidth(wm) <=
776 (dce_v6_0_available_bandwidth(wm) / wm->num_heads))
777 return true;
778 else
779 return false;
780}
781
782/**
783 * dce_v6_0_check_latency_hiding - check latency hiding
784 *
785 * @wm: watermark calculation data
786 *
787 * Check latency hiding (CIK).
788 * Used for display watermark bandwidth calculations
789 * Returns true if the display fits, false if not.
790 */
791static bool dce_v6_0_check_latency_hiding(struct dce6_wm_params *wm)
792{
793 u32 lb_partitions = wm->lb_size / wm->src_width;
794 u32 line_time = wm->active_time + wm->blank_time;
795 u32 latency_tolerant_lines;
796 u32 latency_hiding;
797 fixed20_12 a;
798
799 a.full = dfixed_const(1);
800 if (wm->vsc.full > a.full)
801 latency_tolerant_lines = 1;
802 else {
803 if (lb_partitions <= (wm->vtaps + 1))
804 latency_tolerant_lines = 1;
805 else
806 latency_tolerant_lines = 2;
807 }
808
809 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
810
811 if (dce_v6_0_latency_watermark(wm) <= latency_hiding)
812 return true;
813 else
814 return false;
815}
816
817/**
818 * dce_v6_0_program_watermarks - program display watermarks
819 *
820 * @adev: amdgpu_device pointer
821 * @amdgpu_crtc: the selected display controller
822 * @lb_size: line buffer size
823 * @num_heads: number of display controllers in use
824 *
825 * Calculate and program the display watermarks for the
826 * selected display controller (CIK).
827 */
828static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
829 struct amdgpu_crtc *amdgpu_crtc,
830 u32 lb_size, u32 num_heads)
831{
832 struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
833 struct dce6_wm_params wm_low, wm_high;
834 u32 dram_channels;
835 u32 active_time;
836 u32 line_time = 0;
837 u32 latency_watermark_a = 0, latency_watermark_b = 0;
838 u32 priority_a_mark = 0, priority_b_mark = 0;
839 u32 priority_a_cnt = PRIORITY_OFF;
840 u32 priority_b_cnt = PRIORITY_OFF;
841 u32 tmp, arb_control3, lb_vblank_lead_lines = 0;
842 fixed20_12 a, b, c;
843
844 if (amdgpu_crtc->base.enabled && num_heads && mode) {
845 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
846 (u32)mode->clock);
847 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
848 (u32)mode->clock);
849 line_time = min_t(u32, line_time, 65535);
850 priority_a_cnt = 0;
851 priority_b_cnt = 0;
852
853 dram_channels = si_get_number_of_dram_channels(adev);
854
855 /* watermark for high clocks */
856 if (adev->pm.dpm_enabled) {
857 wm_high.yclk =
858 amdgpu_dpm_get_mclk(adev, false) * 10;
859 wm_high.sclk =
860 amdgpu_dpm_get_sclk(adev, false) * 10;
861 } else {
862 wm_high.yclk = adev->pm.current_mclk * 10;
863 wm_high.sclk = adev->pm.current_sclk * 10;
864 }
865
866 wm_high.disp_clk = mode->clock;
867 wm_high.src_width = mode->crtc_hdisplay;
868 wm_high.active_time = active_time;
869 wm_high.blank_time = line_time - wm_high.active_time;
870 wm_high.interlaced = false;
871 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
872 wm_high.interlaced = true;
873 wm_high.vsc = amdgpu_crtc->vsc;
874 wm_high.vtaps = 1;
875 if (amdgpu_crtc->rmx_type != RMX_OFF)
876 wm_high.vtaps = 2;
877 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
878 wm_high.lb_size = lb_size;
879 wm_high.dram_channels = dram_channels;
880 wm_high.num_heads = num_heads;
881
882 if (adev->pm.dpm_enabled) {
883 /* watermark for low clocks */
884 wm_low.yclk =
885 amdgpu_dpm_get_mclk(adev, true) * 10;
886 wm_low.sclk =
887 amdgpu_dpm_get_sclk(adev, true) * 10;
888 } else {
889 wm_low.yclk = adev->pm.current_mclk * 10;
890 wm_low.sclk = adev->pm.current_sclk * 10;
891 }
892
893 wm_low.disp_clk = mode->clock;
894 wm_low.src_width = mode->crtc_hdisplay;
895 wm_low.active_time = active_time;
896 wm_low.blank_time = line_time - wm_low.active_time;
897 wm_low.interlaced = false;
898 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
899 wm_low.interlaced = true;
900 wm_low.vsc = amdgpu_crtc->vsc;
901 wm_low.vtaps = 1;
902 if (amdgpu_crtc->rmx_type != RMX_OFF)
903 wm_low.vtaps = 2;
904 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
905 wm_low.lb_size = lb_size;
906 wm_low.dram_channels = dram_channels;
907 wm_low.num_heads = num_heads;
908
909 /* set for high clocks */
910 latency_watermark_a = min_t(u32, dce_v6_0_latency_watermark(&wm_high), 65535);
911 /* set for low clocks */
912 latency_watermark_b = min_t(u32, dce_v6_0_latency_watermark(&wm_low), 65535);
913
914 /* possibly force display priority to high */
915 /* should really do this at mode validation time... */
916 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
917 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
918 !dce_v6_0_check_latency_hiding(&wm_high) ||
919 (adev->mode_info.disp_priority == 2)) {
920 DRM_DEBUG_KMS("force priority to high\n");
921 priority_a_cnt |= PRIORITY_ALWAYS_ON;
922 priority_b_cnt |= PRIORITY_ALWAYS_ON;
923 }
924 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
925 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
926 !dce_v6_0_check_latency_hiding(&wm_low) ||
927 (adev->mode_info.disp_priority == 2)) {
928 DRM_DEBUG_KMS("force priority to high\n");
929 priority_a_cnt |= PRIORITY_ALWAYS_ON;
930 priority_b_cnt |= PRIORITY_ALWAYS_ON;
931 }
932
933 a.full = dfixed_const(1000);
934 b.full = dfixed_const(mode->clock);
935 b.full = dfixed_div(b, a);
936 c.full = dfixed_const(latency_watermark_a);
937 c.full = dfixed_mul(c, b);
938 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
939 c.full = dfixed_div(c, a);
940 a.full = dfixed_const(16);
941 c.full = dfixed_div(c, a);
942 priority_a_mark = dfixed_trunc(c);
943 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
944
945 a.full = dfixed_const(1000);
946 b.full = dfixed_const(mode->clock);
947 b.full = dfixed_div(b, a);
948 c.full = dfixed_const(latency_watermark_b);
949 c.full = dfixed_mul(c, b);
950 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
951 c.full = dfixed_div(c, a);
952 a.full = dfixed_const(16);
953 c.full = dfixed_div(c, a);
954 priority_b_mark = dfixed_trunc(c);
955 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
956
957 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
958 }
959
960 /* select wm A */
961 arb_control3 = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
962 tmp = arb_control3;
963 tmp &= ~LATENCY_WATERMARK_MASK(3);
964 tmp |= LATENCY_WATERMARK_MASK(1);
965 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
966 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
967 ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
968 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
969 /* select wm B */
970 tmp = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
971 tmp &= ~LATENCY_WATERMARK_MASK(3);
972 tmp |= LATENCY_WATERMARK_MASK(2);
973 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
974 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
975 ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
976 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
977 /* restore original selection */
978 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, arb_control3);
979
980 /* write the priority marks */
981 WREG32(mmPRIORITY_A_CNT + amdgpu_crtc->crtc_offset, priority_a_cnt);
982 WREG32(mmPRIORITY_B_CNT + amdgpu_crtc->crtc_offset, priority_b_cnt);
983
984 /* save values for DPM */
985 amdgpu_crtc->line_time = line_time;
986 amdgpu_crtc->wm_high = latency_watermark_a;
987
988 /* Save number of lines the linebuffer leads before the scanout */
989 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
990}
991
992/* watermark setup */
993static u32 dce_v6_0_line_buffer_adjust(struct amdgpu_device *adev,
994 struct amdgpu_crtc *amdgpu_crtc,
995 struct drm_display_mode *mode,
996 struct drm_display_mode *other_mode)
997{
998 u32 tmp, buffer_alloc, i;
999 u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
1000 /*
1001 * Line Buffer Setup
1002 * There are 3 line buffers, each one shared by 2 display controllers.
1003 * mmDC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1004 * the display controllers. The paritioning is done via one of four
1005 * preset allocations specified in bits 21:20:
1006 * 0 - half lb
1007 * 2 - whole lb, other crtc must be disabled
1008 */
1009 /* this can get tricky if we have two large displays on a paired group
1010 * of crtcs. Ideally for multiple large displays we'd assign them to
1011 * non-linked crtcs for maximum line buffer allocation.
1012 */
1013 if (amdgpu_crtc->base.enabled && mode) {
1014 if (other_mode) {
1015 tmp = 0; /* 1/2 */
1016 buffer_alloc = 1;
1017 } else {
1018 tmp = 2; /* whole */
1019 buffer_alloc = 2;
1020 }
1021 } else {
1022 tmp = 0;
1023 buffer_alloc = 0;
1024 }
1025
1026 WREG32(mmDC_LB_MEMORY_SPLIT + amdgpu_crtc->crtc_offset,
1027 DC_LB_MEMORY_CONFIG(tmp));
1028
1029 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1030 (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
1031 for (i = 0; i < adev->usec_timeout; i++) {
1032 if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1033 PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
1034 break;
1035 udelay(1);
1036 }
1037
1038 if (amdgpu_crtc->base.enabled && mode) {
1039 switch (tmp) {
1040 case 0:
1041 default:
1042 return 4096 * 2;
1043 case 2:
1044 return 8192 * 2;
1045 }
1046 }
1047
1048 /* controller not enabled, so no lb used */
1049 return 0;
1050}
1051
1052
1053/**
1054 * dce_v6_0_bandwidth_update - program display watermarks
1055 *
1056 * @adev: amdgpu_device pointer
1057 *
1058 * Calculate and program the display watermarks and line
1059 * buffer allocation (CIK).
1060 */
1061static void dce_v6_0_bandwidth_update(struct amdgpu_device *adev)
1062{
1063 struct drm_display_mode *mode0 = NULL;
1064 struct drm_display_mode *mode1 = NULL;
1065 u32 num_heads = 0, lb_size;
1066 int i;
1067
1068 if (!adev->mode_info.mode_config_initialized)
1069 return;
1070
1071 amdgpu_display_update_priority(adev);
1072
1073 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1074 if (adev->mode_info.crtcs[i]->base.enabled)
1075 num_heads++;
1076 }
1077 for (i = 0; i < adev->mode_info.num_crtc; i += 2) {
1078 mode0 = &adev->mode_info.crtcs[i]->base.mode;
1079 mode1 = &adev->mode_info.crtcs[i+1]->base.mode;
1080 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode0, mode1);
1081 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i], lb_size, num_heads);
1082 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i+1], mode1, mode0);
1083 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i+1], lb_size, num_heads);
1084 }
1085}
1086
1087static void dce_v6_0_audio_get_connected_pins(struct amdgpu_device *adev)
1088{
1089 int i;
1090 u32 tmp;
1091
1092 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1093 tmp = RREG32_AUDIO_ENDPT(adev->mode_info.audio.pin[i].offset,
1094 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1095 if (REG_GET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT,
1096 PORT_CONNECTIVITY))
1097 adev->mode_info.audio.pin[i].connected = false;
1098 else
1099 adev->mode_info.audio.pin[i].connected = true;
1100 }
1101
1102}
1103
1104static struct amdgpu_audio_pin *dce_v6_0_audio_get_pin(struct amdgpu_device *adev)
1105{
1106 int i;
1107
1108 dce_v6_0_audio_get_connected_pins(adev);
1109
1110 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1111 if (adev->mode_info.audio.pin[i].connected)
1112 return &adev->mode_info.audio.pin[i];
1113 }
1114 DRM_ERROR("No connected audio pins found!\n");
1115 return NULL;
1116}
1117
1118static void dce_v6_0_audio_select_pin(struct drm_encoder *encoder)
1119{
1120 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1121 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1122 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1123
1124 if (!dig || !dig->afmt || !dig->afmt->pin)
1125 return;
1126
1127 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset,
1128 REG_SET_FIELD(0, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT,
1129 dig->afmt->pin->id));
1130}
1131
1132static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder,
1133 struct drm_display_mode *mode)
1134{
1135 struct drm_device *dev = encoder->dev;
1136 struct amdgpu_device *adev = drm_to_adev(dev);
1137 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1138 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1139 struct drm_connector *connector;
1140 struct drm_connector_list_iter iter;
1141 struct amdgpu_connector *amdgpu_connector = NULL;
1142 int interlace = 0;
1143 u32 tmp;
1144
1145 drm_connector_list_iter_begin(dev, &iter);
1146 drm_for_each_connector_iter(connector, &iter) {
1147 if (connector->encoder == encoder) {
1148 amdgpu_connector = to_amdgpu_connector(connector);
1149 break;
1150 }
1151 }
1152 drm_connector_list_iter_end(&iter);
1153
1154 if (!amdgpu_connector) {
1155 DRM_ERROR("Couldn't find encoder's connector\n");
1156 return;
1157 }
1158
1159 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1160 interlace = 1;
1161
1162 if (connector->latency_present[interlace]) {
1163 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1164 VIDEO_LIPSYNC, connector->video_latency[interlace]);
1165 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1166 AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1167 } else {
1168 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1169 VIDEO_LIPSYNC, 0);
1170 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1171 AUDIO_LIPSYNC, 0);
1172 }
1173 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1174 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1175}
1176
1177static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1178{
1179 struct drm_device *dev = encoder->dev;
1180 struct amdgpu_device *adev = drm_to_adev(dev);
1181 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1182 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1183 struct drm_connector *connector;
1184 struct drm_connector_list_iter iter;
1185 struct amdgpu_connector *amdgpu_connector = NULL;
1186 u8 *sadb = NULL;
1187 int sad_count;
1188 u32 tmp;
1189
1190 drm_connector_list_iter_begin(dev, &iter);
1191 drm_for_each_connector_iter(connector, &iter) {
1192 if (connector->encoder == encoder) {
1193 amdgpu_connector = to_amdgpu_connector(connector);
1194 break;
1195 }
1196 }
1197 drm_connector_list_iter_end(&iter);
1198
1199 if (!amdgpu_connector) {
1200 DRM_ERROR("Couldn't find encoder's connector\n");
1201 return;
1202 }
1203
1204 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1205 if (sad_count < 0) {
1206 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1207 sad_count = 0;
1208 }
1209
1210 /* program the speaker allocation */
1211 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1212 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1213 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1214 HDMI_CONNECTION, 0);
1215 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1216 DP_CONNECTION, 0);
1217
1218 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)
1219 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1220 DP_CONNECTION, 1);
1221 else
1222 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1223 HDMI_CONNECTION, 1);
1224
1225 if (sad_count)
1226 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1227 SPEAKER_ALLOCATION, sadb[0]);
1228 else
1229 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1230 SPEAKER_ALLOCATION, 5); /* stereo */
1231
1232 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1233 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1234
1235 kfree(sadb);
1236}
1237
1238static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder)
1239{
1240 struct drm_device *dev = encoder->dev;
1241 struct amdgpu_device *adev = drm_to_adev(dev);
1242 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1243 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1244 struct drm_connector *connector;
1245 struct drm_connector_list_iter iter;
1246 struct amdgpu_connector *amdgpu_connector = NULL;
1247 struct cea_sad *sads;
1248 int i, sad_count;
1249
1250 static const u16 eld_reg_to_type[][2] = {
1251 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1252 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1253 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1254 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1255 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1256 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1257 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1258 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1259 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1260 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1261 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1262 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1263 };
1264
1265 drm_connector_list_iter_begin(dev, &iter);
1266 drm_for_each_connector_iter(connector, &iter) {
1267 if (connector->encoder == encoder) {
1268 amdgpu_connector = to_amdgpu_connector(connector);
1269 break;
1270 }
1271 }
1272 drm_connector_list_iter_end(&iter);
1273
1274 if (!amdgpu_connector) {
1275 DRM_ERROR("Couldn't find encoder's connector\n");
1276 return;
1277 }
1278
1279 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1280 if (sad_count < 0)
1281 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1282 if (sad_count <= 0)
1283 return;
1284
1285 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1286 u32 tmp = 0;
1287 u8 stereo_freqs = 0;
1288 int max_channels = -1;
1289 int j;
1290
1291 for (j = 0; j < sad_count; j++) {
1292 struct cea_sad *sad = &sads[j];
1293
1294 if (sad->format == eld_reg_to_type[i][1]) {
1295 if (sad->channels > max_channels) {
1296 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1297 MAX_CHANNELS, sad->channels);
1298 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1299 DESCRIPTOR_BYTE_2, sad->byte2);
1300 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1301 SUPPORTED_FREQUENCIES, sad->freq);
1302 max_channels = sad->channels;
1303 }
1304
1305 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1306 stereo_freqs |= sad->freq;
1307 else
1308 break;
1309 }
1310 }
1311
1312 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1313 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1314 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1315 }
1316
1317 kfree(sads);
1318
1319}
1320
1321static void dce_v6_0_audio_enable(struct amdgpu_device *adev,
1322 struct amdgpu_audio_pin *pin,
1323 bool enable)
1324{
1325 if (!pin)
1326 return;
1327
1328 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1329 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1330}
1331
1332static const u32 pin_offsets[7] =
1333{
1334 (0x1780 - 0x1780),
1335 (0x1786 - 0x1780),
1336 (0x178c - 0x1780),
1337 (0x1792 - 0x1780),
1338 (0x1798 - 0x1780),
1339 (0x179d - 0x1780),
1340 (0x17a4 - 0x1780),
1341};
1342
1343static int dce_v6_0_audio_init(struct amdgpu_device *adev)
1344{
1345 int i;
1346
1347 if (!amdgpu_audio)
1348 return 0;
1349
1350 adev->mode_info.audio.enabled = true;
1351
1352 switch (adev->asic_type) {
1353 case CHIP_TAHITI:
1354 case CHIP_PITCAIRN:
1355 case CHIP_VERDE:
1356 default:
1357 adev->mode_info.audio.num_pins = 6;
1358 break;
1359 case CHIP_OLAND:
1360 adev->mode_info.audio.num_pins = 2;
1361 break;
1362 }
1363
1364 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1365 adev->mode_info.audio.pin[i].channels = -1;
1366 adev->mode_info.audio.pin[i].rate = -1;
1367 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1368 adev->mode_info.audio.pin[i].status_bits = 0;
1369 adev->mode_info.audio.pin[i].category_code = 0;
1370 adev->mode_info.audio.pin[i].connected = false;
1371 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1372 adev->mode_info.audio.pin[i].id = i;
1373 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1374 }
1375
1376 return 0;
1377}
1378
1379static void dce_v6_0_audio_fini(struct amdgpu_device *adev)
1380{
1381 int i;
1382
1383 if (!amdgpu_audio)
1384 return;
1385
1386 if (!adev->mode_info.audio.enabled)
1387 return;
1388
1389 for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1390 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1391
1392 adev->mode_info.audio.enabled = false;
1393}
1394
1395static void dce_v6_0_audio_set_vbi_packet(struct drm_encoder *encoder)
1396{
1397 struct drm_device *dev = encoder->dev;
1398 struct amdgpu_device *adev = drm_to_adev(dev);
1399 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1400 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1401 u32 tmp;
1402
1403 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1404 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1405 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1);
1406 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1);
1407 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1408}
1409
1410static void dce_v6_0_audio_set_acr(struct drm_encoder *encoder,
1411 uint32_t clock, int bpc)
1412{
1413 struct drm_device *dev = encoder->dev;
1414 struct amdgpu_device *adev = drm_to_adev(dev);
1415 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1416 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1417 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1418 u32 tmp;
1419
1420 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1421 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1422 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE,
1423 bpc > 8 ? 0 : 1);
1424 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1425
1426 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1427 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1428 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1429 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1430 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1431 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1432
1433 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1434 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1435 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1436 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1437 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1438 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1439
1440 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1441 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1442 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1443 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1444 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1445 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1446}
1447
1448static void dce_v6_0_audio_set_avi_infoframe(struct drm_encoder *encoder,
1449 struct drm_display_mode *mode)
1450{
1451 struct drm_device *dev = encoder->dev;
1452 struct amdgpu_device *adev = drm_to_adev(dev);
1453 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1454 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1455 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1456 struct hdmi_avi_infoframe frame;
1457 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1458 uint8_t *payload = buffer + 3;
1459 uint8_t *header = buffer;
1460 ssize_t err;
1461 u32 tmp;
1462
1463 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1464 if (err < 0) {
1465 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1466 return;
1467 }
1468
1469 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1470 if (err < 0) {
1471 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1472 return;
1473 }
1474
1475 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1476 payload[0x0] | (payload[0x1] << 8) | (payload[0x2] << 16) | (payload[0x3] << 24));
1477 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1478 payload[0x4] | (payload[0x5] << 8) | (payload[0x6] << 16) | (payload[0x7] << 24));
1479 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1480 payload[0x8] | (payload[0x9] << 8) | (payload[0xA] << 16) | (payload[0xB] << 24));
1481 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1482 payload[0xC] | (payload[0xD] << 8) | (header[1] << 24));
1483
1484 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1485 /* anything other than 0 */
1486 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1,
1487 HDMI_AUDIO_INFO_LINE, 2);
1488 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1489}
1490
1491static void dce_v6_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1492{
1493 struct drm_device *dev = encoder->dev;
1494 struct amdgpu_device *adev = drm_to_adev(dev);
1495 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1496 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1497 u32 tmp;
1498
1499 /*
1500 * Two dtos: generally use dto0 for hdmi, dto1 for dp.
1501 * Express [24MHz / target pixel clock] as an exact rational
1502 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
1503 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1504 */
1505 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1506 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1507 DCCG_AUDIO_DTO0_SOURCE_SEL, amdgpu_crtc->crtc_id);
1508 if (em == ATOM_ENCODER_MODE_HDMI) {
1509 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1510 DCCG_AUDIO_DTO_SEL, 0);
1511 } else if (ENCODER_MODE_IS_DP(em)) {
1512 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1513 DCCG_AUDIO_DTO_SEL, 1);
1514 }
1515 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1516 if (em == ATOM_ENCODER_MODE_HDMI) {
1517 WREG32(mmDCCG_AUDIO_DTO0_PHASE, 24000);
1518 WREG32(mmDCCG_AUDIO_DTO0_MODULE, clock);
1519 } else if (ENCODER_MODE_IS_DP(em)) {
1520 WREG32(mmDCCG_AUDIO_DTO1_PHASE, 24000);
1521 WREG32(mmDCCG_AUDIO_DTO1_MODULE, clock);
1522 }
1523}
1524
1525static void dce_v6_0_audio_set_packet(struct drm_encoder *encoder)
1526{
1527 struct drm_device *dev = encoder->dev;
1528 struct amdgpu_device *adev = drm_to_adev(dev);
1529 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1530 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1531 u32 tmp;
1532
1533 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1534 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1535 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1536
1537 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1538 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1539 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1540
1541 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1542 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1543 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1544
1545 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1546 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1547 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1548 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1549 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1550 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1551 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1552 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1553
1554 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset);
1555 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, 0xff);
1556 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, tmp);
1557
1558 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1559 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1560 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1561 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1562
1563 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1564 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_RESET_FIFO_WHEN_AUDIO_DIS, 1);
1565 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1566 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1567}
1568
1569static void dce_v6_0_audio_set_mute(struct drm_encoder *encoder, bool mute)
1570{
1571 struct drm_device *dev = encoder->dev;
1572 struct amdgpu_device *adev = drm_to_adev(dev);
1573 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1574 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1575 u32 tmp;
1576
1577 tmp = RREG32(mmHDMI_GC + dig->afmt->offset);
1578 tmp = REG_SET_FIELD(tmp, HDMI_GC, HDMI_GC_AVMUTE, mute ? 1 : 0);
1579 WREG32(mmHDMI_GC + dig->afmt->offset, tmp);
1580}
1581
1582static void dce_v6_0_audio_hdmi_enable(struct drm_encoder *encoder, bool enable)
1583{
1584 struct drm_device *dev = encoder->dev;
1585 struct amdgpu_device *adev = drm_to_adev(dev);
1586 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1587 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1588 u32 tmp;
1589
1590 if (enable) {
1591 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1592 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1593 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1594 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1595 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1596 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1597
1598 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1599 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1600 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1601
1602 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1603 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1604 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1605 } else {
1606 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1607 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 0);
1608 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 0);
1609 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 0);
1610 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 0);
1611 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1612
1613 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1614 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 0);
1615 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1616 }
1617}
1618
1619static void dce_v6_0_audio_dp_enable(struct drm_encoder *encoder, bool enable)
1620{
1621 struct drm_device *dev = encoder->dev;
1622 struct amdgpu_device *adev = drm_to_adev(dev);
1623 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1624 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1625 u32 tmp;
1626
1627 if (enable) {
1628 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1629 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1630 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1631
1632 tmp = RREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset);
1633 tmp = REG_SET_FIELD(tmp, DP_SEC_TIMESTAMP, DP_SEC_TIMESTAMP_MODE, 1);
1634 WREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset, tmp);
1635
1636 tmp = RREG32(mmDP_SEC_CNTL + dig->afmt->offset);
1637 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ASP_ENABLE, 1);
1638 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ATP_ENABLE, 1);
1639 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_AIP_ENABLE, 1);
1640 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
1641 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, tmp);
1642 } else {
1643 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, 0);
1644 }
1645}
1646
1647static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder,
1648 struct drm_display_mode *mode)
1649{
1650 struct drm_device *dev = encoder->dev;
1651 struct amdgpu_device *adev = drm_to_adev(dev);
1652 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1653 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1654 struct drm_connector *connector;
1655 struct drm_connector_list_iter iter;
1656 struct amdgpu_connector *amdgpu_connector = NULL;
1657 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1658 int bpc = 8;
1659
1660 if (!dig || !dig->afmt)
1661 return;
1662
1663 drm_connector_list_iter_begin(dev, &iter);
1664 drm_for_each_connector_iter(connector, &iter) {
1665 if (connector->encoder == encoder) {
1666 amdgpu_connector = to_amdgpu_connector(connector);
1667 break;
1668 }
1669 }
1670 drm_connector_list_iter_end(&iter);
1671
1672 if (!amdgpu_connector) {
1673 DRM_ERROR("Couldn't find encoder's connector\n");
1674 return;
1675 }
1676
1677 if (!dig->afmt->enabled)
1678 return;
1679
1680 dig->afmt->pin = dce_v6_0_audio_get_pin(adev);
1681 if (!dig->afmt->pin)
1682 return;
1683
1684 if (encoder->crtc) {
1685 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1686 bpc = amdgpu_crtc->bpc;
1687 }
1688
1689 /* disable audio before setting up hw */
1690 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1691
1692 dce_v6_0_audio_set_mute(encoder, true);
1693 dce_v6_0_audio_write_speaker_allocation(encoder);
1694 dce_v6_0_audio_write_sad_regs(encoder);
1695 dce_v6_0_audio_write_latency_fields(encoder, mode);
1696 if (em == ATOM_ENCODER_MODE_HDMI) {
1697 dce_v6_0_audio_set_dto(encoder, mode->clock);
1698 dce_v6_0_audio_set_vbi_packet(encoder);
1699 dce_v6_0_audio_set_acr(encoder, mode->clock, bpc);
1700 } else if (ENCODER_MODE_IS_DP(em)) {
1701 dce_v6_0_audio_set_dto(encoder, adev->clock.default_dispclk * 10);
1702 }
1703 dce_v6_0_audio_set_packet(encoder);
1704 dce_v6_0_audio_select_pin(encoder);
1705 dce_v6_0_audio_set_avi_infoframe(encoder, mode);
1706 dce_v6_0_audio_set_mute(encoder, false);
1707 if (em == ATOM_ENCODER_MODE_HDMI) {
1708 dce_v6_0_audio_hdmi_enable(encoder, 1);
1709 } else if (ENCODER_MODE_IS_DP(em)) {
1710 dce_v6_0_audio_dp_enable(encoder, 1);
1711 }
1712
1713 /* enable audio after setting up hw */
1714 dce_v6_0_audio_enable(adev, dig->afmt->pin, true);
1715}
1716
1717static void dce_v6_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1718{
1719 struct drm_device *dev = encoder->dev;
1720 struct amdgpu_device *adev = drm_to_adev(dev);
1721 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1722 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1723
1724 if (!dig || !dig->afmt)
1725 return;
1726
1727 /* Silent, r600_hdmi_enable will raise WARN for us */
1728 if (enable && dig->afmt->enabled)
1729 return;
1730
1731 if (!enable && !dig->afmt->enabled)
1732 return;
1733
1734 if (!enable && dig->afmt->pin) {
1735 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1736 dig->afmt->pin = NULL;
1737 }
1738
1739 dig->afmt->enabled = enable;
1740
1741 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1742 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1743}
1744
1745static int dce_v6_0_afmt_init(struct amdgpu_device *adev)
1746{
1747 int i, j;
1748
1749 for (i = 0; i < adev->mode_info.num_dig; i++)
1750 adev->mode_info.afmt[i] = NULL;
1751
1752 /* DCE6 has audio blocks tied to DIG encoders */
1753 for (i = 0; i < adev->mode_info.num_dig; i++) {
1754 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1755 if (adev->mode_info.afmt[i]) {
1756 adev->mode_info.afmt[i]->offset = dig_offsets[i];
1757 adev->mode_info.afmt[i]->id = i;
1758 } else {
1759 for (j = 0; j < i; j++) {
1760 kfree(adev->mode_info.afmt[j]);
1761 adev->mode_info.afmt[j] = NULL;
1762 }
1763 DRM_ERROR("Out of memory allocating afmt table\n");
1764 return -ENOMEM;
1765 }
1766 }
1767 return 0;
1768}
1769
1770static void dce_v6_0_afmt_fini(struct amdgpu_device *adev)
1771{
1772 int i;
1773
1774 for (i = 0; i < adev->mode_info.num_dig; i++) {
1775 kfree(adev->mode_info.afmt[i]);
1776 adev->mode_info.afmt[i] = NULL;
1777 }
1778}
1779
1780static const u32 vga_control_regs[6] =
1781{
1782 mmD1VGA_CONTROL,
1783 mmD2VGA_CONTROL,
1784 mmD3VGA_CONTROL,
1785 mmD4VGA_CONTROL,
1786 mmD5VGA_CONTROL,
1787 mmD6VGA_CONTROL,
1788};
1789
1790static void dce_v6_0_vga_enable(struct drm_crtc *crtc, bool enable)
1791{
1792 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1793 struct drm_device *dev = crtc->dev;
1794 struct amdgpu_device *adev = drm_to_adev(dev);
1795 u32 vga_control;
1796
1797 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1798 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | (enable ? 1 : 0));
1799}
1800
1801static void dce_v6_0_grph_enable(struct drm_crtc *crtc, bool enable)
1802{
1803 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1804 struct drm_device *dev = crtc->dev;
1805 struct amdgpu_device *adev = drm_to_adev(dev);
1806
1807 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, enable ? 1 : 0);
1808}
1809
1810static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
1811 struct drm_framebuffer *fb,
1812 int x, int y, int atomic)
1813{
1814 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1815 struct drm_device *dev = crtc->dev;
1816 struct amdgpu_device *adev = drm_to_adev(dev);
1817 struct drm_framebuffer *target_fb;
1818 struct drm_gem_object *obj;
1819 struct amdgpu_bo *abo;
1820 uint64_t fb_location, tiling_flags;
1821 uint32_t fb_format, fb_pitch_pixels, pipe_config;
1822 u32 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_NONE);
1823 u32 viewport_w, viewport_h;
1824 int r;
1825 bool bypass_lut = false;
1826
1827 /* no fb bound */
1828 if (!atomic && !crtc->primary->fb) {
1829 DRM_DEBUG_KMS("No FB bound\n");
1830 return 0;
1831 }
1832
1833 if (atomic)
1834 target_fb = fb;
1835 else
1836 target_fb = crtc->primary->fb;
1837
1838 /* If atomic, assume fb object is pinned & idle & fenced and
1839 * just update base pointers
1840 */
1841 obj = target_fb->obj[0];
1842 abo = gem_to_amdgpu_bo(obj);
1843 r = amdgpu_bo_reserve(abo, false);
1844 if (unlikely(r != 0))
1845 return r;
1846
1847 if (!atomic) {
1848 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1849 if (unlikely(r != 0)) {
1850 amdgpu_bo_unreserve(abo);
1851 return -EINVAL;
1852 }
1853 }
1854 fb_location = amdgpu_bo_gpu_offset(abo);
1855
1856 amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1857 amdgpu_bo_unreserve(abo);
1858
1859 switch (target_fb->format->format) {
1860 case DRM_FORMAT_C8:
1861 fb_format = (GRPH_DEPTH(GRPH_DEPTH_8BPP) |
1862 GRPH_FORMAT(GRPH_FORMAT_INDEXED));
1863 break;
1864 case DRM_FORMAT_XRGB4444:
1865 case DRM_FORMAT_ARGB4444:
1866 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1867 GRPH_FORMAT(GRPH_FORMAT_ARGB4444));
1868#ifdef __BIG_ENDIAN
1869 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1870#endif
1871 break;
1872 case DRM_FORMAT_XRGB1555:
1873 case DRM_FORMAT_ARGB1555:
1874 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1875 GRPH_FORMAT(GRPH_FORMAT_ARGB1555));
1876#ifdef __BIG_ENDIAN
1877 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1878#endif
1879 break;
1880 case DRM_FORMAT_BGRX5551:
1881 case DRM_FORMAT_BGRA5551:
1882 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1883 GRPH_FORMAT(GRPH_FORMAT_BGRA5551));
1884#ifdef __BIG_ENDIAN
1885 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1886#endif
1887 break;
1888 case DRM_FORMAT_RGB565:
1889 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1890 GRPH_FORMAT(GRPH_FORMAT_ARGB565));
1891#ifdef __BIG_ENDIAN
1892 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1893#endif
1894 break;
1895 case DRM_FORMAT_XRGB8888:
1896 case DRM_FORMAT_ARGB8888:
1897 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1898 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1899#ifdef __BIG_ENDIAN
1900 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1901#endif
1902 break;
1903 case DRM_FORMAT_XRGB2101010:
1904 case DRM_FORMAT_ARGB2101010:
1905 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1906 GRPH_FORMAT(GRPH_FORMAT_ARGB2101010));
1907#ifdef __BIG_ENDIAN
1908 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1909#endif
1910 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1911 bypass_lut = true;
1912 break;
1913 case DRM_FORMAT_BGRX1010102:
1914 case DRM_FORMAT_BGRA1010102:
1915 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1916 GRPH_FORMAT(GRPH_FORMAT_BGRA1010102));
1917#ifdef __BIG_ENDIAN
1918 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1919#endif
1920 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1921 bypass_lut = true;
1922 break;
1923 case DRM_FORMAT_XBGR8888:
1924 case DRM_FORMAT_ABGR8888:
1925 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1926 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1927 fb_swap = (GRPH_RED_CROSSBAR(GRPH_RED_SEL_B) |
1928 GRPH_BLUE_CROSSBAR(GRPH_BLUE_SEL_R));
1929#ifdef __BIG_ENDIAN
1930 fb_swap |= GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1931#endif
1932 break;
1933 default:
1934 DRM_ERROR("Unsupported screen format %p4cc\n",
1935 &target_fb->format->format);
1936 return -EINVAL;
1937 }
1938
1939 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1940 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1941
1942 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1943 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1944 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1945 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1946 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1947
1948 fb_format |= GRPH_NUM_BANKS(num_banks);
1949 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_2D_TILED_THIN1);
1950 fb_format |= GRPH_TILE_SPLIT(tile_split);
1951 fb_format |= GRPH_BANK_WIDTH(bankw);
1952 fb_format |= GRPH_BANK_HEIGHT(bankh);
1953 fb_format |= GRPH_MACRO_TILE_ASPECT(mtaspect);
1954 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1955 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_1D_TILED_THIN1);
1956 }
1957
1958 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1959 fb_format |= GRPH_PIPE_CONFIG(pipe_config);
1960
1961 dce_v6_0_vga_enable(crtc, false);
1962
1963 /* Make sure surface address is updated at vertical blank rather than
1964 * horizontal blank
1965 */
1966 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1967
1968 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1969 upper_32_bits(fb_location));
1970 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1971 upper_32_bits(fb_location));
1972 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1973 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1974 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1975 (u32) fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1976 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1977 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1978
1979 /*
1980 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1981 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1982 * retain the full precision throughout the pipeline.
1983 */
1984 WREG32_P(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset,
1985 (bypass_lut ? GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK : 0),
1986 ~GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK);
1987
1988 if (bypass_lut)
1989 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
1990
1991 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
1992 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
1993 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
1994 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
1995 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
1996 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
1997
1998 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
1999 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2000
2001 dce_v6_0_grph_enable(crtc, true);
2002
2003 WREG32(mmDESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2004 target_fb->height);
2005 x &= ~3;
2006 y &= ~1;
2007 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2008 (x << 16) | y);
2009 viewport_w = crtc->mode.hdisplay;
2010 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2011
2012 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2013 (viewport_w << 16) | viewport_h);
2014
2015 /* set pageflip to happen anywhere in vblank interval */
2016 WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2017
2018 if (!atomic && fb && fb != crtc->primary->fb) {
2019 abo = gem_to_amdgpu_bo(fb->obj[0]);
2020 r = amdgpu_bo_reserve(abo, true);
2021 if (unlikely(r != 0))
2022 return r;
2023 amdgpu_bo_unpin(abo);
2024 amdgpu_bo_unreserve(abo);
2025 }
2026
2027 /* Bytes per pixel may have changed */
2028 dce_v6_0_bandwidth_update(adev);
2029
2030 return 0;
2031
2032}
2033
2034static void dce_v6_0_set_interleave(struct drm_crtc *crtc,
2035 struct drm_display_mode *mode)
2036{
2037 struct drm_device *dev = crtc->dev;
2038 struct amdgpu_device *adev = drm_to_adev(dev);
2039 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2040
2041 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2042 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset,
2043 INTERLEAVE_EN);
2044 else
2045 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
2046}
2047
2048static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
2049{
2050
2051 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2052 struct drm_device *dev = crtc->dev;
2053 struct amdgpu_device *adev = drm_to_adev(dev);
2054 u16 *r, *g, *b;
2055 int i;
2056
2057 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2058
2059 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2060 ((0 << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
2061 (0 << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
2062 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
2063 PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
2064 WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
2065 PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
2066 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2067 ((0 << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2068 (0 << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2069
2070 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2071
2072 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2073 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2074 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2075
2076 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2077 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2078 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2079
2080 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2081 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2082
2083 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2084 r = crtc->gamma_store;
2085 g = r + crtc->gamma_size;
2086 b = g + crtc->gamma_size;
2087 for (i = 0; i < 256; i++) {
2088 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2089 ((*r++ & 0xffc0) << 14) |
2090 ((*g++ & 0xffc0) << 4) |
2091 (*b++ >> 6));
2092 }
2093
2094 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2095 ((0 << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2096 (0 << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2097 ICON_DEGAMMA_MODE(0) |
2098 (0 << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2099 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2100 ((0 << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2101 (0 << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2102 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2103 ((0 << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2104 (0 << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2105 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2106 ((0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2107 (0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2108 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2109 WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2110
2111
2112}
2113
2114static int dce_v6_0_pick_dig_encoder(struct drm_encoder *encoder)
2115{
2116 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2117 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2118
2119 switch (amdgpu_encoder->encoder_id) {
2120 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2121 return dig->linkb ? 1 : 0;
2122 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2123 return dig->linkb ? 3 : 2;
2124 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2125 return dig->linkb ? 5 : 4;
2126 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2127 return 6;
2128 default:
2129 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2130 return 0;
2131 }
2132}
2133
2134/**
2135 * dce_v6_0_pick_pll - Allocate a PPLL for use by the crtc.
2136 *
2137 * @crtc: drm crtc
2138 *
2139 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
2140 * a single PPLL can be used for all DP crtcs/encoders. For non-DP
2141 * monitors a dedicated PPLL must be used. If a particular board has
2142 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2143 * as there is no need to program the PLL itself. If we are not able to
2144 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2145 * avoid messing up an existing monitor.
2146 *
2147 *
2148 */
2149static u32 dce_v6_0_pick_pll(struct drm_crtc *crtc)
2150{
2151 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2152 struct drm_device *dev = crtc->dev;
2153 struct amdgpu_device *adev = drm_to_adev(dev);
2154 u32 pll_in_use;
2155 int pll;
2156
2157 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2158 if (adev->clock.dp_extclk)
2159 /* skip PPLL programming if using ext clock */
2160 return ATOM_PPLL_INVALID;
2161 else
2162 return ATOM_PPLL0;
2163 } else {
2164 /* use the same PPLL for all monitors with the same clock */
2165 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2166 if (pll != ATOM_PPLL_INVALID)
2167 return pll;
2168 }
2169
2170 /* PPLL1, and PPLL2 */
2171 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2172 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2173 return ATOM_PPLL2;
2174 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2175 return ATOM_PPLL1;
2176 DRM_ERROR("unable to allocate a PPLL\n");
2177 return ATOM_PPLL_INVALID;
2178}
2179
2180static void dce_v6_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2181{
2182 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2183 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2184 uint32_t cur_lock;
2185
2186 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2187 if (lock)
2188 cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2189 else
2190 cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2191 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2192}
2193
2194static void dce_v6_0_hide_cursor(struct drm_crtc *crtc)
2195{
2196 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2197 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2198
2199 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2200 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2201 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2202
2203
2204}
2205
2206static void dce_v6_0_show_cursor(struct drm_crtc *crtc)
2207{
2208 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2209 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2210
2211 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2212 upper_32_bits(amdgpu_crtc->cursor_addr));
2213 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2214 lower_32_bits(amdgpu_crtc->cursor_addr));
2215
2216 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2217 CUR_CONTROL__CURSOR_EN_MASK |
2218 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2219 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2220
2221}
2222
2223static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,
2224 int x, int y)
2225{
2226 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2227 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2228 int xorigin = 0, yorigin = 0;
2229
2230 int w = amdgpu_crtc->cursor_width;
2231
2232 amdgpu_crtc->cursor_x = x;
2233 amdgpu_crtc->cursor_y = y;
2234
2235 /* avivo cursor are offset into the total surface */
2236 x += crtc->x;
2237 y += crtc->y;
2238 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2239
2240 if (x < 0) {
2241 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2242 x = 0;
2243 }
2244 if (y < 0) {
2245 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2246 y = 0;
2247 }
2248
2249 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2250 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2251 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2252 ((w - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2253
2254 return 0;
2255}
2256
2257static int dce_v6_0_crtc_cursor_move(struct drm_crtc *crtc,
2258 int x, int y)
2259{
2260 int ret;
2261
2262 dce_v6_0_lock_cursor(crtc, true);
2263 ret = dce_v6_0_cursor_move_locked(crtc, x, y);
2264 dce_v6_0_lock_cursor(crtc, false);
2265
2266 return ret;
2267}
2268
2269static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,
2270 struct drm_file *file_priv,
2271 uint32_t handle,
2272 uint32_t width,
2273 uint32_t height,
2274 int32_t hot_x,
2275 int32_t hot_y)
2276{
2277 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2278 struct drm_gem_object *obj;
2279 struct amdgpu_bo *aobj;
2280 int ret;
2281
2282 if (!handle) {
2283 /* turn off cursor */
2284 dce_v6_0_hide_cursor(crtc);
2285 obj = NULL;
2286 goto unpin;
2287 }
2288
2289 if ((width > amdgpu_crtc->max_cursor_width) ||
2290 (height > amdgpu_crtc->max_cursor_height)) {
2291 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2292 return -EINVAL;
2293 }
2294
2295 obj = drm_gem_object_lookup(file_priv, handle);
2296 if (!obj) {
2297 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2298 return -ENOENT;
2299 }
2300
2301 aobj = gem_to_amdgpu_bo(obj);
2302 ret = amdgpu_bo_reserve(aobj, false);
2303 if (ret != 0) {
2304 drm_gem_object_put(obj);
2305 return ret;
2306 }
2307
2308 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2309 amdgpu_bo_unreserve(aobj);
2310 if (ret) {
2311 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2312 drm_gem_object_put(obj);
2313 return ret;
2314 }
2315 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2316
2317 dce_v6_0_lock_cursor(crtc, true);
2318
2319 if (width != amdgpu_crtc->cursor_width ||
2320 height != amdgpu_crtc->cursor_height ||
2321 hot_x != amdgpu_crtc->cursor_hot_x ||
2322 hot_y != amdgpu_crtc->cursor_hot_y) {
2323 int x, y;
2324
2325 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2326 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2327
2328 dce_v6_0_cursor_move_locked(crtc, x, y);
2329
2330 amdgpu_crtc->cursor_width = width;
2331 amdgpu_crtc->cursor_height = height;
2332 amdgpu_crtc->cursor_hot_x = hot_x;
2333 amdgpu_crtc->cursor_hot_y = hot_y;
2334 }
2335
2336 dce_v6_0_show_cursor(crtc);
2337 dce_v6_0_lock_cursor(crtc, false);
2338
2339unpin:
2340 if (amdgpu_crtc->cursor_bo) {
2341 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2342 ret = amdgpu_bo_reserve(aobj, true);
2343 if (likely(ret == 0)) {
2344 amdgpu_bo_unpin(aobj);
2345 amdgpu_bo_unreserve(aobj);
2346 }
2347 drm_gem_object_put(amdgpu_crtc->cursor_bo);
2348 }
2349
2350 amdgpu_crtc->cursor_bo = obj;
2351 return 0;
2352}
2353
2354static void dce_v6_0_cursor_reset(struct drm_crtc *crtc)
2355{
2356 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2357
2358 if (amdgpu_crtc->cursor_bo) {
2359 dce_v6_0_lock_cursor(crtc, true);
2360
2361 dce_v6_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2362 amdgpu_crtc->cursor_y);
2363
2364 dce_v6_0_show_cursor(crtc);
2365 dce_v6_0_lock_cursor(crtc, false);
2366 }
2367}
2368
2369static int dce_v6_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2370 u16 *blue, uint32_t size,
2371 struct drm_modeset_acquire_ctx *ctx)
2372{
2373 dce_v6_0_crtc_load_lut(crtc);
2374
2375 return 0;
2376}
2377
2378static void dce_v6_0_crtc_destroy(struct drm_crtc *crtc)
2379{
2380 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2381
2382 drm_crtc_cleanup(crtc);
2383 kfree(amdgpu_crtc);
2384}
2385
2386static const struct drm_crtc_funcs dce_v6_0_crtc_funcs = {
2387 .cursor_set2 = dce_v6_0_crtc_cursor_set2,
2388 .cursor_move = dce_v6_0_crtc_cursor_move,
2389 .gamma_set = dce_v6_0_crtc_gamma_set,
2390 .set_config = amdgpu_display_crtc_set_config,
2391 .destroy = dce_v6_0_crtc_destroy,
2392 .page_flip_target = amdgpu_display_crtc_page_flip_target,
2393 .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2394 .enable_vblank = amdgpu_enable_vblank_kms,
2395 .disable_vblank = amdgpu_disable_vblank_kms,
2396 .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2397};
2398
2399static void dce_v6_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2400{
2401 struct drm_device *dev = crtc->dev;
2402 struct amdgpu_device *adev = drm_to_adev(dev);
2403 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2404 unsigned type;
2405
2406 switch (mode) {
2407 case DRM_MODE_DPMS_ON:
2408 amdgpu_crtc->enabled = true;
2409 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2410 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2411 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2412 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2413 amdgpu_crtc->crtc_id);
2414 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2415 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2416 drm_crtc_vblank_on(crtc);
2417 dce_v6_0_crtc_load_lut(crtc);
2418 break;
2419 case DRM_MODE_DPMS_STANDBY:
2420 case DRM_MODE_DPMS_SUSPEND:
2421 case DRM_MODE_DPMS_OFF:
2422 drm_crtc_vblank_off(crtc);
2423 if (amdgpu_crtc->enabled)
2424 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2425 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2426 amdgpu_crtc->enabled = false;
2427 break;
2428 }
2429 /* adjust pm to dpms */
2430 amdgpu_dpm_compute_clocks(adev);
2431}
2432
2433static void dce_v6_0_crtc_prepare(struct drm_crtc *crtc)
2434{
2435 /* disable crtc pair power gating before programming */
2436 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2437 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2438 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2439}
2440
2441static void dce_v6_0_crtc_commit(struct drm_crtc *crtc)
2442{
2443 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2444 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2445}
2446
2447static void dce_v6_0_crtc_disable(struct drm_crtc *crtc)
2448{
2449
2450 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2451 struct drm_device *dev = crtc->dev;
2452 struct amdgpu_device *adev = drm_to_adev(dev);
2453 struct amdgpu_atom_ss ss;
2454 int i;
2455
2456 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2457 if (crtc->primary->fb) {
2458 int r;
2459 struct amdgpu_bo *abo;
2460
2461 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2462 r = amdgpu_bo_reserve(abo, true);
2463 if (unlikely(r))
2464 DRM_ERROR("failed to reserve abo before unpin\n");
2465 else {
2466 amdgpu_bo_unpin(abo);
2467 amdgpu_bo_unreserve(abo);
2468 }
2469 }
2470 /* disable the GRPH */
2471 dce_v6_0_grph_enable(crtc, false);
2472
2473 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2474
2475 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2476 if (adev->mode_info.crtcs[i] &&
2477 adev->mode_info.crtcs[i]->enabled &&
2478 i != amdgpu_crtc->crtc_id &&
2479 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2480 /* one other crtc is using this pll don't turn
2481 * off the pll
2482 */
2483 goto done;
2484 }
2485 }
2486
2487 switch (amdgpu_crtc->pll_id) {
2488 case ATOM_PPLL1:
2489 case ATOM_PPLL2:
2490 /* disable the ppll */
2491 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2492 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2493 break;
2494 default:
2495 break;
2496 }
2497done:
2498 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2499 amdgpu_crtc->adjusted_clock = 0;
2500 amdgpu_crtc->encoder = NULL;
2501 amdgpu_crtc->connector = NULL;
2502}
2503
2504static int dce_v6_0_crtc_mode_set(struct drm_crtc *crtc,
2505 struct drm_display_mode *mode,
2506 struct drm_display_mode *adjusted_mode,
2507 int x, int y, struct drm_framebuffer *old_fb)
2508{
2509 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2510
2511 if (!amdgpu_crtc->adjusted_clock)
2512 return -EINVAL;
2513
2514 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2515 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2516 dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2517 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2518 amdgpu_atombios_crtc_scaler_setup(crtc);
2519 dce_v6_0_cursor_reset(crtc);
2520 /* update the hw version fpr dpm */
2521 amdgpu_crtc->hw_mode = *adjusted_mode;
2522
2523 return 0;
2524}
2525
2526static bool dce_v6_0_crtc_mode_fixup(struct drm_crtc *crtc,
2527 const struct drm_display_mode *mode,
2528 struct drm_display_mode *adjusted_mode)
2529{
2530
2531 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2532 struct drm_device *dev = crtc->dev;
2533 struct drm_encoder *encoder;
2534
2535 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2536 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2537 if (encoder->crtc == crtc) {
2538 amdgpu_crtc->encoder = encoder;
2539 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2540 break;
2541 }
2542 }
2543 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2544 amdgpu_crtc->encoder = NULL;
2545 amdgpu_crtc->connector = NULL;
2546 return false;
2547 }
2548 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2549 return false;
2550 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2551 return false;
2552 /* pick pll */
2553 amdgpu_crtc->pll_id = dce_v6_0_pick_pll(crtc);
2554 /* if we can't get a PPLL for a non-DP encoder, fail */
2555 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2556 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2557 return false;
2558
2559 return true;
2560}
2561
2562static int dce_v6_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2563 struct drm_framebuffer *old_fb)
2564{
2565 return dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2566}
2567
2568static int dce_v6_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2569 struct drm_framebuffer *fb,
2570 int x, int y, enum mode_set_atomic state)
2571{
2572 return dce_v6_0_crtc_do_set_base(crtc, fb, x, y, 1);
2573}
2574
2575static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = {
2576 .dpms = dce_v6_0_crtc_dpms,
2577 .mode_fixup = dce_v6_0_crtc_mode_fixup,
2578 .mode_set = dce_v6_0_crtc_mode_set,
2579 .mode_set_base = dce_v6_0_crtc_set_base,
2580 .mode_set_base_atomic = dce_v6_0_crtc_set_base_atomic,
2581 .prepare = dce_v6_0_crtc_prepare,
2582 .commit = dce_v6_0_crtc_commit,
2583 .disable = dce_v6_0_crtc_disable,
2584 .get_scanout_position = amdgpu_crtc_get_scanout_position,
2585};
2586
2587static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
2588{
2589 struct amdgpu_crtc *amdgpu_crtc;
2590
2591 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2592 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2593 if (amdgpu_crtc == NULL)
2594 return -ENOMEM;
2595
2596 drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v6_0_crtc_funcs);
2597
2598 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2599 amdgpu_crtc->crtc_id = index;
2600 adev->mode_info.crtcs[index] = amdgpu_crtc;
2601
2602 amdgpu_crtc->max_cursor_width = CURSOR_WIDTH;
2603 amdgpu_crtc->max_cursor_height = CURSOR_HEIGHT;
2604 adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2605 adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2606
2607 amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2608
2609 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2610 amdgpu_crtc->adjusted_clock = 0;
2611 amdgpu_crtc->encoder = NULL;
2612 amdgpu_crtc->connector = NULL;
2613 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v6_0_crtc_helper_funcs);
2614
2615 return 0;
2616}
2617
2618static int dce_v6_0_early_init(void *handle)
2619{
2620 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2621
2622 adev->audio_endpt_rreg = &dce_v6_0_audio_endpt_rreg;
2623 adev->audio_endpt_wreg = &dce_v6_0_audio_endpt_wreg;
2624
2625 dce_v6_0_set_display_funcs(adev);
2626
2627 adev->mode_info.num_crtc = dce_v6_0_get_num_crtc(adev);
2628
2629 switch (adev->asic_type) {
2630 case CHIP_TAHITI:
2631 case CHIP_PITCAIRN:
2632 case CHIP_VERDE:
2633 adev->mode_info.num_hpd = 6;
2634 adev->mode_info.num_dig = 6;
2635 break;
2636 case CHIP_OLAND:
2637 adev->mode_info.num_hpd = 2;
2638 adev->mode_info.num_dig = 2;
2639 break;
2640 default:
2641 return -EINVAL;
2642 }
2643
2644 dce_v6_0_set_irq_funcs(adev);
2645
2646 return 0;
2647}
2648
2649static int dce_v6_0_sw_init(void *handle)
2650{
2651 int r, i;
2652 bool ret;
2653 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2654
2655 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2656 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2657 if (r)
2658 return r;
2659 }
2660
2661 for (i = 8; i < 20; i += 2) {
2662 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2663 if (r)
2664 return r;
2665 }
2666
2667 /* HPD hotplug */
2668 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2669 if (r)
2670 return r;
2671
2672 adev->mode_info.mode_config_initialized = true;
2673
2674 adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2675 adev_to_drm(adev)->mode_config.async_page_flip = true;
2676 adev_to_drm(adev)->mode_config.max_width = 16384;
2677 adev_to_drm(adev)->mode_config.max_height = 16384;
2678 adev_to_drm(adev)->mode_config.preferred_depth = 24;
2679 adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2680 adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2681
2682 r = amdgpu_display_modeset_create_props(adev);
2683 if (r)
2684 return r;
2685
2686 adev_to_drm(adev)->mode_config.max_width = 16384;
2687 adev_to_drm(adev)->mode_config.max_height = 16384;
2688
2689 /* allocate crtcs */
2690 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2691 r = dce_v6_0_crtc_init(adev, i);
2692 if (r)
2693 return r;
2694 }
2695
2696 ret = amdgpu_atombios_get_connector_info_from_object_table(adev);
2697 if (ret)
2698 amdgpu_display_print_display_setup(adev_to_drm(adev));
2699 else
2700 return -EINVAL;
2701
2702 /* setup afmt */
2703 r = dce_v6_0_afmt_init(adev);
2704 if (r)
2705 return r;
2706
2707 r = dce_v6_0_audio_init(adev);
2708 if (r)
2709 return r;
2710
2711 /* Disable vblank IRQs aggressively for power-saving */
2712 /* XXX: can this be enabled for DC? */
2713 adev_to_drm(adev)->vblank_disable_immediate = true;
2714
2715 r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2716 if (r)
2717 return r;
2718
2719 /* Pre-DCE11 */
2720 INIT_DELAYED_WORK(&adev->hotplug_work,
2721 amdgpu_display_hotplug_work_func);
2722
2723 drm_kms_helper_poll_init(adev_to_drm(adev));
2724
2725 return r;
2726}
2727
2728static int dce_v6_0_sw_fini(void *handle)
2729{
2730 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2731
2732 kfree(adev->mode_info.bios_hardcoded_edid);
2733
2734 drm_kms_helper_poll_fini(adev_to_drm(adev));
2735
2736 dce_v6_0_audio_fini(adev);
2737 dce_v6_0_afmt_fini(adev);
2738
2739 drm_mode_config_cleanup(adev_to_drm(adev));
2740 adev->mode_info.mode_config_initialized = false;
2741
2742 return 0;
2743}
2744
2745static int dce_v6_0_hw_init(void *handle)
2746{
2747 int i;
2748 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2749
2750 /* disable vga render */
2751 dce_v6_0_set_vga_render_state(adev, false);
2752 /* init dig PHYs, disp eng pll */
2753 amdgpu_atombios_encoder_init_dig(adev);
2754 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2755
2756 /* initialize hpd */
2757 dce_v6_0_hpd_init(adev);
2758
2759 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2760 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2761 }
2762
2763 dce_v6_0_pageflip_interrupt_init(adev);
2764
2765 return 0;
2766}
2767
2768static int dce_v6_0_hw_fini(void *handle)
2769{
2770 int i;
2771 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2772
2773 dce_v6_0_hpd_fini(adev);
2774
2775 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2776 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2777 }
2778
2779 dce_v6_0_pageflip_interrupt_fini(adev);
2780
2781 flush_delayed_work(&adev->hotplug_work);
2782
2783 return 0;
2784}
2785
2786static int dce_v6_0_suspend(void *handle)
2787{
2788 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2789 int r;
2790
2791 r = amdgpu_display_suspend_helper(adev);
2792 if (r)
2793 return r;
2794 adev->mode_info.bl_level =
2795 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2796
2797 return dce_v6_0_hw_fini(handle);
2798}
2799
2800static int dce_v6_0_resume(void *handle)
2801{
2802 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2803 int ret;
2804
2805 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2806 adev->mode_info.bl_level);
2807
2808 ret = dce_v6_0_hw_init(handle);
2809
2810 /* turn on the BL */
2811 if (adev->mode_info.bl_encoder) {
2812 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2813 adev->mode_info.bl_encoder);
2814 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2815 bl_level);
2816 }
2817 if (ret)
2818 return ret;
2819
2820 return amdgpu_display_resume_helper(adev);
2821}
2822
2823static bool dce_v6_0_is_idle(void *handle)
2824{
2825 return true;
2826}
2827
2828static int dce_v6_0_wait_for_idle(void *handle)
2829{
2830 return 0;
2831}
2832
2833static int dce_v6_0_soft_reset(void *handle)
2834{
2835 DRM_INFO("xxxx: dce_v6_0_soft_reset --- no impl!!\n");
2836 return 0;
2837}
2838
2839static void dce_v6_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2840 int crtc,
2841 enum amdgpu_interrupt_state state)
2842{
2843 u32 reg_block, interrupt_mask;
2844
2845 if (crtc >= adev->mode_info.num_crtc) {
2846 DRM_DEBUG("invalid crtc %d\n", crtc);
2847 return;
2848 }
2849
2850 switch (crtc) {
2851 case 0:
2852 reg_block = SI_CRTC0_REGISTER_OFFSET;
2853 break;
2854 case 1:
2855 reg_block = SI_CRTC1_REGISTER_OFFSET;
2856 break;
2857 case 2:
2858 reg_block = SI_CRTC2_REGISTER_OFFSET;
2859 break;
2860 case 3:
2861 reg_block = SI_CRTC3_REGISTER_OFFSET;
2862 break;
2863 case 4:
2864 reg_block = SI_CRTC4_REGISTER_OFFSET;
2865 break;
2866 case 5:
2867 reg_block = SI_CRTC5_REGISTER_OFFSET;
2868 break;
2869 default:
2870 DRM_DEBUG("invalid crtc %d\n", crtc);
2871 return;
2872 }
2873
2874 switch (state) {
2875 case AMDGPU_IRQ_STATE_DISABLE:
2876 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2877 interrupt_mask &= ~VBLANK_INT_MASK;
2878 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2879 break;
2880 case AMDGPU_IRQ_STATE_ENABLE:
2881 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2882 interrupt_mask |= VBLANK_INT_MASK;
2883 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2884 break;
2885 default:
2886 break;
2887 }
2888}
2889
2890static void dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2891 int crtc,
2892 enum amdgpu_interrupt_state state)
2893{
2894
2895}
2896
2897static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2898 struct amdgpu_irq_src *src,
2899 unsigned type,
2900 enum amdgpu_interrupt_state state)
2901{
2902 u32 dc_hpd_int_cntl;
2903
2904 if (type >= adev->mode_info.num_hpd) {
2905 DRM_DEBUG("invalid hdp %d\n", type);
2906 return 0;
2907 }
2908
2909 switch (state) {
2910 case AMDGPU_IRQ_STATE_DISABLE:
2911 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2912 dc_hpd_int_cntl &= ~DC_HPDx_INT_EN;
2913 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2914 break;
2915 case AMDGPU_IRQ_STATE_ENABLE:
2916 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2917 dc_hpd_int_cntl |= DC_HPDx_INT_EN;
2918 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2919 break;
2920 default:
2921 break;
2922 }
2923
2924 return 0;
2925}
2926
2927static int dce_v6_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2928 struct amdgpu_irq_src *src,
2929 unsigned type,
2930 enum amdgpu_interrupt_state state)
2931{
2932 switch (type) {
2933 case AMDGPU_CRTC_IRQ_VBLANK1:
2934 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2935 break;
2936 case AMDGPU_CRTC_IRQ_VBLANK2:
2937 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2938 break;
2939 case AMDGPU_CRTC_IRQ_VBLANK3:
2940 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2941 break;
2942 case AMDGPU_CRTC_IRQ_VBLANK4:
2943 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2944 break;
2945 case AMDGPU_CRTC_IRQ_VBLANK5:
2946 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2947 break;
2948 case AMDGPU_CRTC_IRQ_VBLANK6:
2949 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2950 break;
2951 case AMDGPU_CRTC_IRQ_VLINE1:
2952 dce_v6_0_set_crtc_vline_interrupt_state(adev, 0, state);
2953 break;
2954 case AMDGPU_CRTC_IRQ_VLINE2:
2955 dce_v6_0_set_crtc_vline_interrupt_state(adev, 1, state);
2956 break;
2957 case AMDGPU_CRTC_IRQ_VLINE3:
2958 dce_v6_0_set_crtc_vline_interrupt_state(adev, 2, state);
2959 break;
2960 case AMDGPU_CRTC_IRQ_VLINE4:
2961 dce_v6_0_set_crtc_vline_interrupt_state(adev, 3, state);
2962 break;
2963 case AMDGPU_CRTC_IRQ_VLINE5:
2964 dce_v6_0_set_crtc_vline_interrupt_state(adev, 4, state);
2965 break;
2966 case AMDGPU_CRTC_IRQ_VLINE6:
2967 dce_v6_0_set_crtc_vline_interrupt_state(adev, 5, state);
2968 break;
2969 default:
2970 break;
2971 }
2972 return 0;
2973}
2974
2975static int dce_v6_0_crtc_irq(struct amdgpu_device *adev,
2976 struct amdgpu_irq_src *source,
2977 struct amdgpu_iv_entry *entry)
2978{
2979 unsigned crtc = entry->src_id - 1;
2980 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
2981 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
2982 crtc);
2983
2984 switch (entry->src_data[0]) {
2985 case 0: /* vblank */
2986 if (disp_int & interrupt_status_offsets[crtc].vblank)
2987 WREG32(mmVBLANK_STATUS + crtc_offsets[crtc], VBLANK_ACK);
2988 else
2989 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2990
2991 if (amdgpu_irq_enabled(adev, source, irq_type)) {
2992 drm_handle_vblank(adev_to_drm(adev), crtc);
2993 }
2994 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
2995 break;
2996 case 1: /* vline */
2997 if (disp_int & interrupt_status_offsets[crtc].vline)
2998 WREG32(mmVLINE_STATUS + crtc_offsets[crtc], VLINE_ACK);
2999 else
3000 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3001
3002 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3003 break;
3004 default:
3005 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3006 break;
3007 }
3008
3009 return 0;
3010}
3011
3012static int dce_v6_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
3013 struct amdgpu_irq_src *src,
3014 unsigned type,
3015 enum amdgpu_interrupt_state state)
3016{
3017 u32 reg;
3018
3019 if (type >= adev->mode_info.num_crtc) {
3020 DRM_ERROR("invalid pageflip crtc %d\n", type);
3021 return -EINVAL;
3022 }
3023
3024 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3025 if (state == AMDGPU_IRQ_STATE_DISABLE)
3026 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3027 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3028 else
3029 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3030 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3031
3032 return 0;
3033}
3034
3035static int dce_v6_0_pageflip_irq(struct amdgpu_device *adev,
3036 struct amdgpu_irq_src *source,
3037 struct amdgpu_iv_entry *entry)
3038{
3039 unsigned long flags;
3040 unsigned crtc_id;
3041 struct amdgpu_crtc *amdgpu_crtc;
3042 struct amdgpu_flip_work *works;
3043
3044 crtc_id = (entry->src_id - 8) >> 1;
3045 amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3046
3047 if (crtc_id >= adev->mode_info.num_crtc) {
3048 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3049 return -EINVAL;
3050 }
3051
3052 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3053 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3054 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3055 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3056
3057 /* IRQ could occur when in initial stage */
3058 if (amdgpu_crtc == NULL)
3059 return 0;
3060
3061 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3062 works = amdgpu_crtc->pflip_works;
3063 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3064 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3065 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3066 amdgpu_crtc->pflip_status,
3067 AMDGPU_FLIP_SUBMITTED);
3068 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3069 return 0;
3070 }
3071
3072 /* page flip completed. clean up */
3073 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3074 amdgpu_crtc->pflip_works = NULL;
3075
3076 /* wakeup usersapce */
3077 if (works->event)
3078 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3079
3080 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3081
3082 drm_crtc_vblank_put(&amdgpu_crtc->base);
3083 schedule_work(&works->unpin_work);
3084
3085 return 0;
3086}
3087
3088static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
3089 struct amdgpu_irq_src *source,
3090 struct amdgpu_iv_entry *entry)
3091{
3092 uint32_t disp_int, mask, tmp;
3093 unsigned hpd;
3094
3095 if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3096 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3097 return 0;
3098 }
3099
3100 hpd = entry->src_data[0];
3101 disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3102 mask = interrupt_status_offsets[hpd].hpd;
3103
3104 if (disp_int & mask) {
3105 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
3106 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
3107 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
3108 schedule_delayed_work(&adev->hotplug_work, 0);
3109 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3110 }
3111
3112 return 0;
3113
3114}
3115
3116static int dce_v6_0_set_clockgating_state(void *handle,
3117 enum amd_clockgating_state state)
3118{
3119 return 0;
3120}
3121
3122static int dce_v6_0_set_powergating_state(void *handle,
3123 enum amd_powergating_state state)
3124{
3125 return 0;
3126}
3127
3128static const struct amd_ip_funcs dce_v6_0_ip_funcs = {
3129 .name = "dce_v6_0",
3130 .early_init = dce_v6_0_early_init,
3131 .late_init = NULL,
3132 .sw_init = dce_v6_0_sw_init,
3133 .sw_fini = dce_v6_0_sw_fini,
3134 .hw_init = dce_v6_0_hw_init,
3135 .hw_fini = dce_v6_0_hw_fini,
3136 .suspend = dce_v6_0_suspend,
3137 .resume = dce_v6_0_resume,
3138 .is_idle = dce_v6_0_is_idle,
3139 .wait_for_idle = dce_v6_0_wait_for_idle,
3140 .soft_reset = dce_v6_0_soft_reset,
3141 .set_clockgating_state = dce_v6_0_set_clockgating_state,
3142 .set_powergating_state = dce_v6_0_set_powergating_state,
3143};
3144
3145static void
3146dce_v6_0_encoder_mode_set(struct drm_encoder *encoder,
3147 struct drm_display_mode *mode,
3148 struct drm_display_mode *adjusted_mode)
3149{
3150
3151 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3152 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3153
3154 amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3155
3156 /* need to call this here rather than in prepare() since we need some crtc info */
3157 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3158
3159 /* set scaler clears this on some chips */
3160 dce_v6_0_set_interleave(encoder->crtc, mode);
3161
3162 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em)) {
3163 dce_v6_0_afmt_enable(encoder, true);
3164 dce_v6_0_afmt_setmode(encoder, adjusted_mode);
3165 }
3166}
3167
3168static void dce_v6_0_encoder_prepare(struct drm_encoder *encoder)
3169{
3170
3171 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3172 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3173 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3174
3175 if ((amdgpu_encoder->active_device &
3176 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3177 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3178 ENCODER_OBJECT_ID_NONE)) {
3179 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3180 if (dig) {
3181 dig->dig_encoder = dce_v6_0_pick_dig_encoder(encoder);
3182 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3183 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3184 }
3185 }
3186
3187 amdgpu_atombios_scratch_regs_lock(adev, true);
3188
3189 if (connector) {
3190 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3191
3192 /* select the clock/data port if it uses a router */
3193 if (amdgpu_connector->router.cd_valid)
3194 amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3195
3196 /* turn eDP panel on for mode set */
3197 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3198 amdgpu_atombios_encoder_set_edp_panel_power(connector,
3199 ATOM_TRANSMITTER_ACTION_POWER_ON);
3200 }
3201
3202 /* this is needed for the pll/ss setup to work correctly in some cases */
3203 amdgpu_atombios_encoder_set_crtc_source(encoder);
3204 /* set up the FMT blocks */
3205 dce_v6_0_program_fmt(encoder);
3206}
3207
3208static void dce_v6_0_encoder_commit(struct drm_encoder *encoder)
3209{
3210
3211 struct drm_device *dev = encoder->dev;
3212 struct amdgpu_device *adev = drm_to_adev(dev);
3213
3214 /* need to call this here as we need the crtc set up */
3215 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3216 amdgpu_atombios_scratch_regs_lock(adev, false);
3217}
3218
3219static void dce_v6_0_encoder_disable(struct drm_encoder *encoder)
3220{
3221
3222 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3223 struct amdgpu_encoder_atom_dig *dig;
3224 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3225
3226 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3227
3228 if (amdgpu_atombios_encoder_is_digital(encoder)) {
3229 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em))
3230 dce_v6_0_afmt_enable(encoder, false);
3231 dig = amdgpu_encoder->enc_priv;
3232 dig->dig_encoder = -1;
3233 }
3234 amdgpu_encoder->active_device = 0;
3235}
3236
3237/* these are handled by the primary encoders */
3238static void dce_v6_0_ext_prepare(struct drm_encoder *encoder)
3239{
3240
3241}
3242
3243static void dce_v6_0_ext_commit(struct drm_encoder *encoder)
3244{
3245
3246}
3247
3248static void
3249dce_v6_0_ext_mode_set(struct drm_encoder *encoder,
3250 struct drm_display_mode *mode,
3251 struct drm_display_mode *adjusted_mode)
3252{
3253
3254}
3255
3256static void dce_v6_0_ext_disable(struct drm_encoder *encoder)
3257{
3258
3259}
3260
3261static void
3262dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode)
3263{
3264
3265}
3266
3267static bool dce_v6_0_ext_mode_fixup(struct drm_encoder *encoder,
3268 const struct drm_display_mode *mode,
3269 struct drm_display_mode *adjusted_mode)
3270{
3271 return true;
3272}
3273
3274static const struct drm_encoder_helper_funcs dce_v6_0_ext_helper_funcs = {
3275 .dpms = dce_v6_0_ext_dpms,
3276 .mode_fixup = dce_v6_0_ext_mode_fixup,
3277 .prepare = dce_v6_0_ext_prepare,
3278 .mode_set = dce_v6_0_ext_mode_set,
3279 .commit = dce_v6_0_ext_commit,
3280 .disable = dce_v6_0_ext_disable,
3281 /* no detect for TMDS/LVDS yet */
3282};
3283
3284static const struct drm_encoder_helper_funcs dce_v6_0_dig_helper_funcs = {
3285 .dpms = amdgpu_atombios_encoder_dpms,
3286 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3287 .prepare = dce_v6_0_encoder_prepare,
3288 .mode_set = dce_v6_0_encoder_mode_set,
3289 .commit = dce_v6_0_encoder_commit,
3290 .disable = dce_v6_0_encoder_disable,
3291 .detect = amdgpu_atombios_encoder_dig_detect,
3292};
3293
3294static const struct drm_encoder_helper_funcs dce_v6_0_dac_helper_funcs = {
3295 .dpms = amdgpu_atombios_encoder_dpms,
3296 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3297 .prepare = dce_v6_0_encoder_prepare,
3298 .mode_set = dce_v6_0_encoder_mode_set,
3299 .commit = dce_v6_0_encoder_commit,
3300 .detect = amdgpu_atombios_encoder_dac_detect,
3301};
3302
3303static void dce_v6_0_encoder_destroy(struct drm_encoder *encoder)
3304{
3305 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3306 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3307 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3308 kfree(amdgpu_encoder->enc_priv);
3309 drm_encoder_cleanup(encoder);
3310 kfree(amdgpu_encoder);
3311}
3312
3313static const struct drm_encoder_funcs dce_v6_0_encoder_funcs = {
3314 .destroy = dce_v6_0_encoder_destroy,
3315};
3316
3317static void dce_v6_0_encoder_add(struct amdgpu_device *adev,
3318 uint32_t encoder_enum,
3319 uint32_t supported_device,
3320 u16 caps)
3321{
3322 struct drm_device *dev = adev_to_drm(adev);
3323 struct drm_encoder *encoder;
3324 struct amdgpu_encoder *amdgpu_encoder;
3325
3326 /* see if we already added it */
3327 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3328 amdgpu_encoder = to_amdgpu_encoder(encoder);
3329 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3330 amdgpu_encoder->devices |= supported_device;
3331 return;
3332 }
3333
3334 }
3335
3336 /* add a new one */
3337 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3338 if (!amdgpu_encoder)
3339 return;
3340
3341 encoder = &amdgpu_encoder->base;
3342 switch (adev->mode_info.num_crtc) {
3343 case 1:
3344 encoder->possible_crtcs = 0x1;
3345 break;
3346 case 2:
3347 default:
3348 encoder->possible_crtcs = 0x3;
3349 break;
3350 case 4:
3351 encoder->possible_crtcs = 0xf;
3352 break;
3353 case 6:
3354 encoder->possible_crtcs = 0x3f;
3355 break;
3356 }
3357
3358 amdgpu_encoder->enc_priv = NULL;
3359 amdgpu_encoder->encoder_enum = encoder_enum;
3360 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3361 amdgpu_encoder->devices = supported_device;
3362 amdgpu_encoder->rmx_type = RMX_OFF;
3363 amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3364 amdgpu_encoder->is_ext_encoder = false;
3365 amdgpu_encoder->caps = caps;
3366
3367 switch (amdgpu_encoder->encoder_id) {
3368 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3369 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3370 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3371 DRM_MODE_ENCODER_DAC, NULL);
3372 drm_encoder_helper_add(encoder, &dce_v6_0_dac_helper_funcs);
3373 break;
3374 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3375 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3376 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3377 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3378 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3379 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3380 amdgpu_encoder->rmx_type = RMX_FULL;
3381 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3382 DRM_MODE_ENCODER_LVDS, NULL);
3383 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3384 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3385 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3386 DRM_MODE_ENCODER_DAC, NULL);
3387 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3388 } else {
3389 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3390 DRM_MODE_ENCODER_TMDS, NULL);
3391 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3392 }
3393 drm_encoder_helper_add(encoder, &dce_v6_0_dig_helper_funcs);
3394 break;
3395 case ENCODER_OBJECT_ID_SI170B:
3396 case ENCODER_OBJECT_ID_CH7303:
3397 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3398 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3399 case ENCODER_OBJECT_ID_TITFP513:
3400 case ENCODER_OBJECT_ID_VT1623:
3401 case ENCODER_OBJECT_ID_HDMI_SI1930:
3402 case ENCODER_OBJECT_ID_TRAVIS:
3403 case ENCODER_OBJECT_ID_NUTMEG:
3404 /* these are handled by the primary encoders */
3405 amdgpu_encoder->is_ext_encoder = true;
3406 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3407 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3408 DRM_MODE_ENCODER_LVDS, NULL);
3409 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3410 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3411 DRM_MODE_ENCODER_DAC, NULL);
3412 else
3413 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3414 DRM_MODE_ENCODER_TMDS, NULL);
3415 drm_encoder_helper_add(encoder, &dce_v6_0_ext_helper_funcs);
3416 break;
3417 }
3418}
3419
3420static const struct amdgpu_display_funcs dce_v6_0_display_funcs = {
3421 .bandwidth_update = &dce_v6_0_bandwidth_update,
3422 .vblank_get_counter = &dce_v6_0_vblank_get_counter,
3423 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3424 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3425 .hpd_sense = &dce_v6_0_hpd_sense,
3426 .hpd_set_polarity = &dce_v6_0_hpd_set_polarity,
3427 .hpd_get_gpio_reg = &dce_v6_0_hpd_get_gpio_reg,
3428 .page_flip = &dce_v6_0_page_flip,
3429 .page_flip_get_scanoutpos = &dce_v6_0_crtc_get_scanoutpos,
3430 .add_encoder = &dce_v6_0_encoder_add,
3431 .add_connector = &amdgpu_connector_add,
3432};
3433
3434static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev)
3435{
3436 adev->mode_info.funcs = &dce_v6_0_display_funcs;
3437}
3438
3439static const struct amdgpu_irq_src_funcs dce_v6_0_crtc_irq_funcs = {
3440 .set = dce_v6_0_set_crtc_interrupt_state,
3441 .process = dce_v6_0_crtc_irq,
3442};
3443
3444static const struct amdgpu_irq_src_funcs dce_v6_0_pageflip_irq_funcs = {
3445 .set = dce_v6_0_set_pageflip_interrupt_state,
3446 .process = dce_v6_0_pageflip_irq,
3447};
3448
3449static const struct amdgpu_irq_src_funcs dce_v6_0_hpd_irq_funcs = {
3450 .set = dce_v6_0_set_hpd_interrupt_state,
3451 .process = dce_v6_0_hpd_irq,
3452};
3453
3454static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev)
3455{
3456 if (adev->mode_info.num_crtc > 0)
3457 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3458 else
3459 adev->crtc_irq.num_types = 0;
3460 adev->crtc_irq.funcs = &dce_v6_0_crtc_irq_funcs;
3461
3462 adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3463 adev->pageflip_irq.funcs = &dce_v6_0_pageflip_irq_funcs;
3464
3465 adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3466 adev->hpd_irq.funcs = &dce_v6_0_hpd_irq_funcs;
3467}
3468
3469const struct amdgpu_ip_block_version dce_v6_0_ip_block =
3470{
3471 .type = AMD_IP_BLOCK_TYPE_DCE,
3472 .major = 6,
3473 .minor = 0,
3474 .rev = 0,
3475 .funcs = &dce_v6_0_ip_funcs,
3476};
3477
3478const struct amdgpu_ip_block_version dce_v6_4_ip_block =
3479{
3480 .type = AMD_IP_BLOCK_TYPE_DCE,
3481 .major = 6,
3482 .minor = 4,
3483 .rev = 0,
3484 .funcs = &dce_v6_0_ip_funcs,
3485};
1/*
2 * Copyright 2015 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#include <linux/pci.h>
25
26#include <drm/drm_edid.h>
27#include <drm/drm_fourcc.h>
28#include <drm/drm_modeset_helper.h>
29#include <drm/drm_modeset_helper_vtables.h>
30#include <drm/drm_vblank.h>
31
32#include "amdgpu.h"
33#include "amdgpu_pm.h"
34#include "amdgpu_i2c.h"
35#include "atom.h"
36#include "amdgpu_atombios.h"
37#include "atombios_crtc.h"
38#include "atombios_encoders.h"
39#include "amdgpu_pll.h"
40#include "amdgpu_connectors.h"
41#include "amdgpu_display.h"
42
43#include "bif/bif_3_0_d.h"
44#include "bif/bif_3_0_sh_mask.h"
45#include "oss/oss_1_0_d.h"
46#include "oss/oss_1_0_sh_mask.h"
47#include "gca/gfx_6_0_d.h"
48#include "gca/gfx_6_0_sh_mask.h"
49#include "gmc/gmc_6_0_d.h"
50#include "gmc/gmc_6_0_sh_mask.h"
51#include "dce/dce_6_0_d.h"
52#include "dce/dce_6_0_sh_mask.h"
53#include "gca/gfx_7_2_enum.h"
54#include "dce_v6_0.h"
55#include "si_enums.h"
56
57static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev);
58static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev);
59
60static const u32 crtc_offsets[6] =
61{
62 SI_CRTC0_REGISTER_OFFSET,
63 SI_CRTC1_REGISTER_OFFSET,
64 SI_CRTC2_REGISTER_OFFSET,
65 SI_CRTC3_REGISTER_OFFSET,
66 SI_CRTC4_REGISTER_OFFSET,
67 SI_CRTC5_REGISTER_OFFSET
68};
69
70static const u32 hpd_offsets[] =
71{
72 mmDC_HPD1_INT_STATUS - mmDC_HPD1_INT_STATUS,
73 mmDC_HPD2_INT_STATUS - mmDC_HPD1_INT_STATUS,
74 mmDC_HPD3_INT_STATUS - mmDC_HPD1_INT_STATUS,
75 mmDC_HPD4_INT_STATUS - mmDC_HPD1_INT_STATUS,
76 mmDC_HPD5_INT_STATUS - mmDC_HPD1_INT_STATUS,
77 mmDC_HPD6_INT_STATUS - mmDC_HPD1_INT_STATUS,
78};
79
80static const uint32_t dig_offsets[] = {
81 SI_CRTC0_REGISTER_OFFSET,
82 SI_CRTC1_REGISTER_OFFSET,
83 SI_CRTC2_REGISTER_OFFSET,
84 SI_CRTC3_REGISTER_OFFSET,
85 SI_CRTC4_REGISTER_OFFSET,
86 SI_CRTC5_REGISTER_OFFSET,
87 (0x13830 - 0x7030) >> 2,
88};
89
90static const struct {
91 uint32_t reg;
92 uint32_t vblank;
93 uint32_t vline;
94 uint32_t hpd;
95
96} interrupt_status_offsets[6] = { {
97 .reg = mmDISP_INTERRUPT_STATUS,
98 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
99 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
100 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
101}, {
102 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
103 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
104 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
105 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
106}, {
107 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
108 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
109 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
110 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
111}, {
112 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
113 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
114 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
115 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
116}, {
117 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
118 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
119 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
120 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
121}, {
122 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
123 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
124 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
125 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
126} };
127
128static u32 dce_v6_0_audio_endpt_rreg(struct amdgpu_device *adev,
129 u32 block_offset, u32 reg)
130{
131 unsigned long flags;
132 u32 r;
133
134 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
135 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
136 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
137 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
138
139 return r;
140}
141
142static void dce_v6_0_audio_endpt_wreg(struct amdgpu_device *adev,
143 u32 block_offset, u32 reg, u32 v)
144{
145 unsigned long flags;
146
147 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
148 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset,
149 reg | AZALIA_F0_CODEC_ENDPOINT_INDEX__AZALIA_ENDPOINT_REG_WRITE_EN_MASK);
150 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
151 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
152}
153
154static u32 dce_v6_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
155{
156 if (crtc >= adev->mode_info.num_crtc)
157 return 0;
158 else
159 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
160}
161
162static void dce_v6_0_pageflip_interrupt_init(struct amdgpu_device *adev)
163{
164 unsigned i;
165
166 /* Enable pflip interrupts */
167 for (i = 0; i < adev->mode_info.num_crtc; i++)
168 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
169}
170
171static void dce_v6_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
172{
173 unsigned i;
174
175 /* Disable pflip interrupts */
176 for (i = 0; i < adev->mode_info.num_crtc; i++)
177 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
178}
179
180/**
181 * dce_v6_0_page_flip - pageflip callback.
182 *
183 * @adev: amdgpu_device pointer
184 * @crtc_id: crtc to cleanup pageflip on
185 * @crtc_base: new address of the crtc (GPU MC address)
186 * @async: asynchronous flip
187 *
188 * Does the actual pageflip (evergreen+).
189 * During vblank we take the crtc lock and wait for the update_pending
190 * bit to go high, when it does, we release the lock, and allow the
191 * double buffered update to take place.
192 * Returns the current update pending status.
193 */
194static void dce_v6_0_page_flip(struct amdgpu_device *adev,
195 int crtc_id, u64 crtc_base, bool async)
196{
197 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
198 struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
199
200 /* flip at hsync for async, default is vsync */
201 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
202 GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
203 /* update pitch */
204 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
205 fb->pitches[0] / fb->format->cpp[0]);
206 /* update the scanout addresses */
207 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
208 upper_32_bits(crtc_base));
209 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
210 (u32)crtc_base);
211
212 /* post the write */
213 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
214}
215
216static int dce_v6_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
217 u32 *vbl, u32 *position)
218{
219 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
220 return -EINVAL;
221 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
222 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
223
224 return 0;
225
226}
227
228/**
229 * dce_v6_0_hpd_sense - hpd sense callback.
230 *
231 * @adev: amdgpu_device pointer
232 * @hpd: hpd (hotplug detect) pin
233 *
234 * Checks if a digital monitor is connected (evergreen+).
235 * Returns true if connected, false if not connected.
236 */
237static bool dce_v6_0_hpd_sense(struct amdgpu_device *adev,
238 enum amdgpu_hpd_id hpd)
239{
240 bool connected = false;
241
242 if (hpd >= adev->mode_info.num_hpd)
243 return connected;
244
245 if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) & DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
246 connected = true;
247
248 return connected;
249}
250
251/**
252 * dce_v6_0_hpd_set_polarity - hpd set polarity callback.
253 *
254 * @adev: amdgpu_device pointer
255 * @hpd: hpd (hotplug detect) pin
256 *
257 * Set the polarity of the hpd pin (evergreen+).
258 */
259static void dce_v6_0_hpd_set_polarity(struct amdgpu_device *adev,
260 enum amdgpu_hpd_id hpd)
261{
262 u32 tmp;
263 bool connected = dce_v6_0_hpd_sense(adev, hpd);
264
265 if (hpd >= adev->mode_info.num_hpd)
266 return;
267
268 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
269 if (connected)
270 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
271 else
272 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
273 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
274}
275
276static void dce_v6_0_hpd_int_ack(struct amdgpu_device *adev,
277 int hpd)
278{
279 u32 tmp;
280
281 if (hpd >= adev->mode_info.num_hpd) {
282 DRM_DEBUG("invalid hdp %d\n", hpd);
283 return;
284 }
285
286 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
287 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
288 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
289}
290
291/**
292 * dce_v6_0_hpd_init - hpd setup callback.
293 *
294 * @adev: amdgpu_device pointer
295 *
296 * Setup the hpd pins used by the card (evergreen+).
297 * Enable the pin, set the polarity, and enable the hpd interrupts.
298 */
299static void dce_v6_0_hpd_init(struct amdgpu_device *adev)
300{
301 struct drm_device *dev = adev_to_drm(adev);
302 struct drm_connector *connector;
303 struct drm_connector_list_iter iter;
304 u32 tmp;
305
306 drm_connector_list_iter_begin(dev, &iter);
307 drm_for_each_connector_iter(connector, &iter) {
308 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
309
310 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
311 continue;
312
313 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
314 tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
315 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
316
317 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
318 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
319 /* don't try to enable hpd on eDP or LVDS avoid breaking the
320 * aux dp channel on imac and help (but not completely fix)
321 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
322 * also avoid interrupt storms during dpms.
323 */
324 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
325 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
326 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
327 continue;
328 }
329
330 dce_v6_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd);
331 dce_v6_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
332 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
333 }
334 drm_connector_list_iter_end(&iter);
335}
336
337/**
338 * dce_v6_0_hpd_fini - hpd tear down callback.
339 *
340 * @adev: amdgpu_device pointer
341 *
342 * Tear down the hpd pins used by the card (evergreen+).
343 * Disable the hpd interrupts.
344 */
345static void dce_v6_0_hpd_fini(struct amdgpu_device *adev)
346{
347 struct drm_device *dev = adev_to_drm(adev);
348 struct drm_connector *connector;
349 struct drm_connector_list_iter iter;
350 u32 tmp;
351
352 drm_connector_list_iter_begin(dev, &iter);
353 drm_for_each_connector_iter(connector, &iter) {
354 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
355
356 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
357 continue;
358
359 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
360 tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
361 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
362
363 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
364 }
365 drm_connector_list_iter_end(&iter);
366}
367
368static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
369{
370 return mmDC_GPIO_HPD_A;
371}
372
373static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev,
374 bool render)
375{
376 if (!render)
377 WREG32(mmVGA_RENDER_CONTROL,
378 RREG32(mmVGA_RENDER_CONTROL) & VGA_VSTATUS_CNTL);
379
380}
381
382static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev)
383{
384 switch (adev->asic_type) {
385 case CHIP_TAHITI:
386 case CHIP_PITCAIRN:
387 case CHIP_VERDE:
388 return 6;
389 case CHIP_OLAND:
390 return 2;
391 default:
392 return 0;
393 }
394}
395
396void dce_v6_0_disable_dce(struct amdgpu_device *adev)
397{
398 /*Disable VGA render and enabled crtc, if has DCE engine*/
399 if (amdgpu_atombios_has_dce_engine_info(adev)) {
400 u32 tmp;
401 int crtc_enabled, i;
402
403 dce_v6_0_set_vga_render_state(adev, false);
404
405 /*Disable crtc*/
406 for (i = 0; i < dce_v6_0_get_num_crtc(adev); i++) {
407 crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) &
408 CRTC_CONTROL__CRTC_MASTER_EN_MASK;
409 if (crtc_enabled) {
410 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
411 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
412 tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
413 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
414 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
415 }
416 }
417 }
418}
419
420static void dce_v6_0_program_fmt(struct drm_encoder *encoder)
421{
422
423 struct drm_device *dev = encoder->dev;
424 struct amdgpu_device *adev = drm_to_adev(dev);
425 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
426 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
427 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
428 int bpc = 0;
429 u32 tmp = 0;
430 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
431
432 if (connector) {
433 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
434 bpc = amdgpu_connector_get_monitor_bpc(connector);
435 dither = amdgpu_connector->dither;
436 }
437
438 /* LVDS FMT is set up by atom */
439 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
440 return;
441
442 if (bpc == 0)
443 return;
444
445
446 switch (bpc) {
447 case 6:
448 if (dither == AMDGPU_FMT_DITHER_ENABLE)
449 /* XXX sort out optimal dither settings */
450 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
451 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
452 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK);
453 else
454 tmp |= FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK;
455 break;
456 case 8:
457 if (dither == AMDGPU_FMT_DITHER_ENABLE)
458 /* XXX sort out optimal dither settings */
459 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
460 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
461 FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
462 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
463 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH_MASK);
464 else
465 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
466 FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH_MASK);
467 break;
468 case 10:
469 default:
470 /* not needed */
471 break;
472 }
473
474 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
475}
476
477/**
478 * si_get_number_of_dram_channels - get the number of dram channels
479 *
480 * @adev: amdgpu_device pointer
481 *
482 * Look up the number of video ram channels (CIK).
483 * Used for display watermark bandwidth calculations
484 * Returns the number of dram channels
485 */
486static u32 si_get_number_of_dram_channels(struct amdgpu_device *adev)
487{
488 u32 tmp = RREG32(mmMC_SHARED_CHMAP);
489
490 switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
491 case 0:
492 default:
493 return 1;
494 case 1:
495 return 2;
496 case 2:
497 return 4;
498 case 3:
499 return 8;
500 case 4:
501 return 3;
502 case 5:
503 return 6;
504 case 6:
505 return 10;
506 case 7:
507 return 12;
508 case 8:
509 return 16;
510 }
511}
512
513struct dce6_wm_params {
514 u32 dram_channels; /* number of dram channels */
515 u32 yclk; /* bandwidth per dram data pin in kHz */
516 u32 sclk; /* engine clock in kHz */
517 u32 disp_clk; /* display clock in kHz */
518 u32 src_width; /* viewport width */
519 u32 active_time; /* active display time in ns */
520 u32 blank_time; /* blank time in ns */
521 bool interlaced; /* mode is interlaced */
522 fixed20_12 vsc; /* vertical scale ratio */
523 u32 num_heads; /* number of active crtcs */
524 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
525 u32 lb_size; /* line buffer allocated to pipe */
526 u32 vtaps; /* vertical scaler taps */
527};
528
529/**
530 * dce_v6_0_dram_bandwidth - get the dram bandwidth
531 *
532 * @wm: watermark calculation data
533 *
534 * Calculate the raw dram bandwidth (CIK).
535 * Used for display watermark bandwidth calculations
536 * Returns the dram bandwidth in MBytes/s
537 */
538static u32 dce_v6_0_dram_bandwidth(struct dce6_wm_params *wm)
539{
540 /* Calculate raw DRAM Bandwidth */
541 fixed20_12 dram_efficiency; /* 0.7 */
542 fixed20_12 yclk, dram_channels, bandwidth;
543 fixed20_12 a;
544
545 a.full = dfixed_const(1000);
546 yclk.full = dfixed_const(wm->yclk);
547 yclk.full = dfixed_div(yclk, a);
548 dram_channels.full = dfixed_const(wm->dram_channels * 4);
549 a.full = dfixed_const(10);
550 dram_efficiency.full = dfixed_const(7);
551 dram_efficiency.full = dfixed_div(dram_efficiency, a);
552 bandwidth.full = dfixed_mul(dram_channels, yclk);
553 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
554
555 return dfixed_trunc(bandwidth);
556}
557
558/**
559 * dce_v6_0_dram_bandwidth_for_display - get the dram bandwidth for display
560 *
561 * @wm: watermark calculation data
562 *
563 * Calculate the dram bandwidth used for display (CIK).
564 * Used for display watermark bandwidth calculations
565 * Returns the dram bandwidth for display in MBytes/s
566 */
567static u32 dce_v6_0_dram_bandwidth_for_display(struct dce6_wm_params *wm)
568{
569 /* Calculate DRAM Bandwidth and the part allocated to display. */
570 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
571 fixed20_12 yclk, dram_channels, bandwidth;
572 fixed20_12 a;
573
574 a.full = dfixed_const(1000);
575 yclk.full = dfixed_const(wm->yclk);
576 yclk.full = dfixed_div(yclk, a);
577 dram_channels.full = dfixed_const(wm->dram_channels * 4);
578 a.full = dfixed_const(10);
579 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
580 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
581 bandwidth.full = dfixed_mul(dram_channels, yclk);
582 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
583
584 return dfixed_trunc(bandwidth);
585}
586
587/**
588 * dce_v6_0_data_return_bandwidth - get the data return bandwidth
589 *
590 * @wm: watermark calculation data
591 *
592 * Calculate the data return bandwidth used for display (CIK).
593 * Used for display watermark bandwidth calculations
594 * Returns the data return bandwidth in MBytes/s
595 */
596static u32 dce_v6_0_data_return_bandwidth(struct dce6_wm_params *wm)
597{
598 /* Calculate the display Data return Bandwidth */
599 fixed20_12 return_efficiency; /* 0.8 */
600 fixed20_12 sclk, bandwidth;
601 fixed20_12 a;
602
603 a.full = dfixed_const(1000);
604 sclk.full = dfixed_const(wm->sclk);
605 sclk.full = dfixed_div(sclk, a);
606 a.full = dfixed_const(10);
607 return_efficiency.full = dfixed_const(8);
608 return_efficiency.full = dfixed_div(return_efficiency, a);
609 a.full = dfixed_const(32);
610 bandwidth.full = dfixed_mul(a, sclk);
611 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
612
613 return dfixed_trunc(bandwidth);
614}
615
616/**
617 * dce_v6_0_dmif_request_bandwidth - get the dmif bandwidth
618 *
619 * @wm: watermark calculation data
620 *
621 * Calculate the dmif bandwidth used for display (CIK).
622 * Used for display watermark bandwidth calculations
623 * Returns the dmif bandwidth in MBytes/s
624 */
625static u32 dce_v6_0_dmif_request_bandwidth(struct dce6_wm_params *wm)
626{
627 /* Calculate the DMIF Request Bandwidth */
628 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
629 fixed20_12 disp_clk, bandwidth;
630 fixed20_12 a, b;
631
632 a.full = dfixed_const(1000);
633 disp_clk.full = dfixed_const(wm->disp_clk);
634 disp_clk.full = dfixed_div(disp_clk, a);
635 a.full = dfixed_const(32);
636 b.full = dfixed_mul(a, disp_clk);
637
638 a.full = dfixed_const(10);
639 disp_clk_request_efficiency.full = dfixed_const(8);
640 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
641
642 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
643
644 return dfixed_trunc(bandwidth);
645}
646
647/**
648 * dce_v6_0_available_bandwidth - get the min available bandwidth
649 *
650 * @wm: watermark calculation data
651 *
652 * Calculate the min available bandwidth used for display (CIK).
653 * Used for display watermark bandwidth calculations
654 * Returns the min available bandwidth in MBytes/s
655 */
656static u32 dce_v6_0_available_bandwidth(struct dce6_wm_params *wm)
657{
658 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
659 u32 dram_bandwidth = dce_v6_0_dram_bandwidth(wm);
660 u32 data_return_bandwidth = dce_v6_0_data_return_bandwidth(wm);
661 u32 dmif_req_bandwidth = dce_v6_0_dmif_request_bandwidth(wm);
662
663 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
664}
665
666/**
667 * dce_v6_0_average_bandwidth - get the average available bandwidth
668 *
669 * @wm: watermark calculation data
670 *
671 * Calculate the average available bandwidth used for display (CIK).
672 * Used for display watermark bandwidth calculations
673 * Returns the average available bandwidth in MBytes/s
674 */
675static u32 dce_v6_0_average_bandwidth(struct dce6_wm_params *wm)
676{
677 /* Calculate the display mode Average Bandwidth
678 * DisplayMode should contain the source and destination dimensions,
679 * timing, etc.
680 */
681 fixed20_12 bpp;
682 fixed20_12 line_time;
683 fixed20_12 src_width;
684 fixed20_12 bandwidth;
685 fixed20_12 a;
686
687 a.full = dfixed_const(1000);
688 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
689 line_time.full = dfixed_div(line_time, a);
690 bpp.full = dfixed_const(wm->bytes_per_pixel);
691 src_width.full = dfixed_const(wm->src_width);
692 bandwidth.full = dfixed_mul(src_width, bpp);
693 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
694 bandwidth.full = dfixed_div(bandwidth, line_time);
695
696 return dfixed_trunc(bandwidth);
697}
698
699/**
700 * dce_v6_0_latency_watermark - get the latency watermark
701 *
702 * @wm: watermark calculation data
703 *
704 * Calculate the latency watermark (CIK).
705 * Used for display watermark bandwidth calculations
706 * Returns the latency watermark in ns
707 */
708static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
709{
710 /* First calculate the latency in ns */
711 u32 mc_latency = 2000; /* 2000 ns. */
712 u32 available_bandwidth = dce_v6_0_available_bandwidth(wm);
713 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
714 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
715 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
716 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
717 (wm->num_heads * cursor_line_pair_return_time);
718 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
719 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
720 u32 tmp, dmif_size = 12288;
721 fixed20_12 a, b, c;
722
723 if (wm->num_heads == 0)
724 return 0;
725
726 a.full = dfixed_const(2);
727 b.full = dfixed_const(1);
728 if ((wm->vsc.full > a.full) ||
729 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
730 (wm->vtaps >= 5) ||
731 ((wm->vsc.full >= a.full) && wm->interlaced))
732 max_src_lines_per_dst_line = 4;
733 else
734 max_src_lines_per_dst_line = 2;
735
736 a.full = dfixed_const(available_bandwidth);
737 b.full = dfixed_const(wm->num_heads);
738 a.full = dfixed_div(a, b);
739 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
740 tmp = min(dfixed_trunc(a), tmp);
741
742 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
743
744 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
745 b.full = dfixed_const(1000);
746 c.full = dfixed_const(lb_fill_bw);
747 b.full = dfixed_div(c, b);
748 a.full = dfixed_div(a, b);
749 line_fill_time = dfixed_trunc(a);
750
751 if (line_fill_time < wm->active_time)
752 return latency;
753 else
754 return latency + (line_fill_time - wm->active_time);
755
756}
757
758/**
759 * dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display - check
760 * average and available dram bandwidth
761 *
762 * @wm: watermark calculation data
763 *
764 * Check if the display average bandwidth fits in the display
765 * dram bandwidth (CIK).
766 * Used for display watermark bandwidth calculations
767 * Returns true if the display fits, false if not.
768 */
769static bool dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
770{
771 if (dce_v6_0_average_bandwidth(wm) <=
772 (dce_v6_0_dram_bandwidth_for_display(wm) / wm->num_heads))
773 return true;
774 else
775 return false;
776}
777
778/**
779 * dce_v6_0_average_bandwidth_vs_available_bandwidth - check
780 * average and available bandwidth
781 *
782 * @wm: watermark calculation data
783 *
784 * Check if the display average bandwidth fits in the display
785 * available bandwidth (CIK).
786 * Used for display watermark bandwidth calculations
787 * Returns true if the display fits, false if not.
788 */
789static bool dce_v6_0_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
790{
791 if (dce_v6_0_average_bandwidth(wm) <=
792 (dce_v6_0_available_bandwidth(wm) / wm->num_heads))
793 return true;
794 else
795 return false;
796}
797
798/**
799 * dce_v6_0_check_latency_hiding - check latency hiding
800 *
801 * @wm: watermark calculation data
802 *
803 * Check latency hiding (CIK).
804 * Used for display watermark bandwidth calculations
805 * Returns true if the display fits, false if not.
806 */
807static bool dce_v6_0_check_latency_hiding(struct dce6_wm_params *wm)
808{
809 u32 lb_partitions = wm->lb_size / wm->src_width;
810 u32 line_time = wm->active_time + wm->blank_time;
811 u32 latency_tolerant_lines;
812 u32 latency_hiding;
813 fixed20_12 a;
814
815 a.full = dfixed_const(1);
816 if (wm->vsc.full > a.full)
817 latency_tolerant_lines = 1;
818 else {
819 if (lb_partitions <= (wm->vtaps + 1))
820 latency_tolerant_lines = 1;
821 else
822 latency_tolerant_lines = 2;
823 }
824
825 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
826
827 if (dce_v6_0_latency_watermark(wm) <= latency_hiding)
828 return true;
829 else
830 return false;
831}
832
833/**
834 * dce_v6_0_program_watermarks - program display watermarks
835 *
836 * @adev: amdgpu_device pointer
837 * @amdgpu_crtc: the selected display controller
838 * @lb_size: line buffer size
839 * @num_heads: number of display controllers in use
840 *
841 * Calculate and program the display watermarks for the
842 * selected display controller (CIK).
843 */
844static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
845 struct amdgpu_crtc *amdgpu_crtc,
846 u32 lb_size, u32 num_heads)
847{
848 struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
849 struct dce6_wm_params wm_low, wm_high;
850 u32 dram_channels;
851 u32 active_time;
852 u32 line_time = 0;
853 u32 latency_watermark_a = 0, latency_watermark_b = 0;
854 u32 priority_a_mark = 0, priority_b_mark = 0;
855 u32 priority_a_cnt = PRIORITY_OFF;
856 u32 priority_b_cnt = PRIORITY_OFF;
857 u32 tmp, arb_control3, lb_vblank_lead_lines = 0;
858 fixed20_12 a, b, c;
859
860 if (amdgpu_crtc->base.enabled && num_heads && mode) {
861 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
862 (u32)mode->clock);
863 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
864 (u32)mode->clock);
865 line_time = min_t(u32, line_time, 65535);
866 priority_a_cnt = 0;
867 priority_b_cnt = 0;
868
869 dram_channels = si_get_number_of_dram_channels(adev);
870
871 /* watermark for high clocks */
872 if (adev->pm.dpm_enabled) {
873 wm_high.yclk =
874 amdgpu_dpm_get_mclk(adev, false) * 10;
875 wm_high.sclk =
876 amdgpu_dpm_get_sclk(adev, false) * 10;
877 } else {
878 wm_high.yclk = adev->pm.current_mclk * 10;
879 wm_high.sclk = adev->pm.current_sclk * 10;
880 }
881
882 wm_high.disp_clk = mode->clock;
883 wm_high.src_width = mode->crtc_hdisplay;
884 wm_high.active_time = active_time;
885 wm_high.blank_time = line_time - wm_high.active_time;
886 wm_high.interlaced = false;
887 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
888 wm_high.interlaced = true;
889 wm_high.vsc = amdgpu_crtc->vsc;
890 wm_high.vtaps = 1;
891 if (amdgpu_crtc->rmx_type != RMX_OFF)
892 wm_high.vtaps = 2;
893 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
894 wm_high.lb_size = lb_size;
895 wm_high.dram_channels = dram_channels;
896 wm_high.num_heads = num_heads;
897
898 if (adev->pm.dpm_enabled) {
899 /* watermark for low clocks */
900 wm_low.yclk =
901 amdgpu_dpm_get_mclk(adev, true) * 10;
902 wm_low.sclk =
903 amdgpu_dpm_get_sclk(adev, true) * 10;
904 } else {
905 wm_low.yclk = adev->pm.current_mclk * 10;
906 wm_low.sclk = adev->pm.current_sclk * 10;
907 }
908
909 wm_low.disp_clk = mode->clock;
910 wm_low.src_width = mode->crtc_hdisplay;
911 wm_low.active_time = active_time;
912 wm_low.blank_time = line_time - wm_low.active_time;
913 wm_low.interlaced = false;
914 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
915 wm_low.interlaced = true;
916 wm_low.vsc = amdgpu_crtc->vsc;
917 wm_low.vtaps = 1;
918 if (amdgpu_crtc->rmx_type != RMX_OFF)
919 wm_low.vtaps = 2;
920 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
921 wm_low.lb_size = lb_size;
922 wm_low.dram_channels = dram_channels;
923 wm_low.num_heads = num_heads;
924
925 /* set for high clocks */
926 latency_watermark_a = min_t(u32, dce_v6_0_latency_watermark(&wm_high), 65535);
927 /* set for low clocks */
928 latency_watermark_b = min_t(u32, dce_v6_0_latency_watermark(&wm_low), 65535);
929
930 /* possibly force display priority to high */
931 /* should really do this at mode validation time... */
932 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
933 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
934 !dce_v6_0_check_latency_hiding(&wm_high) ||
935 (adev->mode_info.disp_priority == 2)) {
936 DRM_DEBUG_KMS("force priority to high\n");
937 priority_a_cnt |= PRIORITY_ALWAYS_ON;
938 priority_b_cnt |= PRIORITY_ALWAYS_ON;
939 }
940 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
941 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
942 !dce_v6_0_check_latency_hiding(&wm_low) ||
943 (adev->mode_info.disp_priority == 2)) {
944 DRM_DEBUG_KMS("force priority to high\n");
945 priority_a_cnt |= PRIORITY_ALWAYS_ON;
946 priority_b_cnt |= PRIORITY_ALWAYS_ON;
947 }
948
949 a.full = dfixed_const(1000);
950 b.full = dfixed_const(mode->clock);
951 b.full = dfixed_div(b, a);
952 c.full = dfixed_const(latency_watermark_a);
953 c.full = dfixed_mul(c, b);
954 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
955 c.full = dfixed_div(c, a);
956 a.full = dfixed_const(16);
957 c.full = dfixed_div(c, a);
958 priority_a_mark = dfixed_trunc(c);
959 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
960
961 a.full = dfixed_const(1000);
962 b.full = dfixed_const(mode->clock);
963 b.full = dfixed_div(b, a);
964 c.full = dfixed_const(latency_watermark_b);
965 c.full = dfixed_mul(c, b);
966 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
967 c.full = dfixed_div(c, a);
968 a.full = dfixed_const(16);
969 c.full = dfixed_div(c, a);
970 priority_b_mark = dfixed_trunc(c);
971 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
972
973 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
974 }
975
976 /* select wm A */
977 arb_control3 = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
978 tmp = arb_control3;
979 tmp &= ~LATENCY_WATERMARK_MASK(3);
980 tmp |= LATENCY_WATERMARK_MASK(1);
981 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
982 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
983 ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
984 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
985 /* select wm B */
986 tmp = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
987 tmp &= ~LATENCY_WATERMARK_MASK(3);
988 tmp |= LATENCY_WATERMARK_MASK(2);
989 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
990 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
991 ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
992 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
993 /* restore original selection */
994 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, arb_control3);
995
996 /* write the priority marks */
997 WREG32(mmPRIORITY_A_CNT + amdgpu_crtc->crtc_offset, priority_a_cnt);
998 WREG32(mmPRIORITY_B_CNT + amdgpu_crtc->crtc_offset, priority_b_cnt);
999
1000 /* save values for DPM */
1001 amdgpu_crtc->line_time = line_time;
1002 amdgpu_crtc->wm_high = latency_watermark_a;
1003
1004 /* Save number of lines the linebuffer leads before the scanout */
1005 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1006}
1007
1008/* watermark setup */
1009static u32 dce_v6_0_line_buffer_adjust(struct amdgpu_device *adev,
1010 struct amdgpu_crtc *amdgpu_crtc,
1011 struct drm_display_mode *mode,
1012 struct drm_display_mode *other_mode)
1013{
1014 u32 tmp, buffer_alloc, i;
1015 u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
1016 /*
1017 * Line Buffer Setup
1018 * There are 3 line buffers, each one shared by 2 display controllers.
1019 * mmDC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1020 * the display controllers. The paritioning is done via one of four
1021 * preset allocations specified in bits 21:20:
1022 * 0 - half lb
1023 * 2 - whole lb, other crtc must be disabled
1024 */
1025 /* this can get tricky if we have two large displays on a paired group
1026 * of crtcs. Ideally for multiple large displays we'd assign them to
1027 * non-linked crtcs for maximum line buffer allocation.
1028 */
1029 if (amdgpu_crtc->base.enabled && mode) {
1030 if (other_mode) {
1031 tmp = 0; /* 1/2 */
1032 buffer_alloc = 1;
1033 } else {
1034 tmp = 2; /* whole */
1035 buffer_alloc = 2;
1036 }
1037 } else {
1038 tmp = 0;
1039 buffer_alloc = 0;
1040 }
1041
1042 WREG32(mmDC_LB_MEMORY_SPLIT + amdgpu_crtc->crtc_offset,
1043 DC_LB_MEMORY_CONFIG(tmp));
1044
1045 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1046 (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
1047 for (i = 0; i < adev->usec_timeout; i++) {
1048 if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1049 PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
1050 break;
1051 udelay(1);
1052 }
1053
1054 if (amdgpu_crtc->base.enabled && mode) {
1055 switch (tmp) {
1056 case 0:
1057 default:
1058 return 4096 * 2;
1059 case 2:
1060 return 8192 * 2;
1061 }
1062 }
1063
1064 /* controller not enabled, so no lb used */
1065 return 0;
1066}
1067
1068
1069/**
1070 * dce_v6_0_bandwidth_update - program display watermarks
1071 *
1072 * @adev: amdgpu_device pointer
1073 *
1074 * Calculate and program the display watermarks and line
1075 * buffer allocation (CIK).
1076 */
1077static void dce_v6_0_bandwidth_update(struct amdgpu_device *adev)
1078{
1079 struct drm_display_mode *mode0 = NULL;
1080 struct drm_display_mode *mode1 = NULL;
1081 u32 num_heads = 0, lb_size;
1082 int i;
1083
1084 if (!adev->mode_info.mode_config_initialized)
1085 return;
1086
1087 amdgpu_display_update_priority(adev);
1088
1089 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1090 if (adev->mode_info.crtcs[i]->base.enabled)
1091 num_heads++;
1092 }
1093 for (i = 0; i < adev->mode_info.num_crtc; i += 2) {
1094 mode0 = &adev->mode_info.crtcs[i]->base.mode;
1095 mode1 = &adev->mode_info.crtcs[i+1]->base.mode;
1096 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode0, mode1);
1097 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i], lb_size, num_heads);
1098 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i+1], mode1, mode0);
1099 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i+1], lb_size, num_heads);
1100 }
1101}
1102
1103static void dce_v6_0_audio_get_connected_pins(struct amdgpu_device *adev)
1104{
1105 int i;
1106 u32 tmp;
1107
1108 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1109 tmp = RREG32_AUDIO_ENDPT(adev->mode_info.audio.pin[i].offset,
1110 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1111 if (REG_GET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT,
1112 PORT_CONNECTIVITY))
1113 adev->mode_info.audio.pin[i].connected = false;
1114 else
1115 adev->mode_info.audio.pin[i].connected = true;
1116 }
1117
1118}
1119
1120static struct amdgpu_audio_pin *dce_v6_0_audio_get_pin(struct amdgpu_device *adev)
1121{
1122 int i;
1123
1124 dce_v6_0_audio_get_connected_pins(adev);
1125
1126 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1127 if (adev->mode_info.audio.pin[i].connected)
1128 return &adev->mode_info.audio.pin[i];
1129 }
1130 DRM_ERROR("No connected audio pins found!\n");
1131 return NULL;
1132}
1133
1134static void dce_v6_0_audio_select_pin(struct drm_encoder *encoder)
1135{
1136 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1137 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1138 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1139
1140 if (!dig || !dig->afmt || !dig->afmt->pin)
1141 return;
1142
1143 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset,
1144 REG_SET_FIELD(0, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT,
1145 dig->afmt->pin->id));
1146}
1147
1148static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder,
1149 struct drm_display_mode *mode)
1150{
1151 struct drm_device *dev = encoder->dev;
1152 struct amdgpu_device *adev = drm_to_adev(dev);
1153 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1154 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1155 struct drm_connector *connector;
1156 struct drm_connector_list_iter iter;
1157 struct amdgpu_connector *amdgpu_connector = NULL;
1158 int interlace = 0;
1159 u32 tmp;
1160
1161 drm_connector_list_iter_begin(dev, &iter);
1162 drm_for_each_connector_iter(connector, &iter) {
1163 if (connector->encoder == encoder) {
1164 amdgpu_connector = to_amdgpu_connector(connector);
1165 break;
1166 }
1167 }
1168 drm_connector_list_iter_end(&iter);
1169
1170 if (!amdgpu_connector) {
1171 DRM_ERROR("Couldn't find encoder's connector\n");
1172 return;
1173 }
1174
1175 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1176 interlace = 1;
1177
1178 if (connector->latency_present[interlace]) {
1179 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1180 VIDEO_LIPSYNC, connector->video_latency[interlace]);
1181 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1182 AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1183 } else {
1184 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1185 VIDEO_LIPSYNC, 0);
1186 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1187 AUDIO_LIPSYNC, 0);
1188 }
1189 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1190 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1191}
1192
1193static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1194{
1195 struct drm_device *dev = encoder->dev;
1196 struct amdgpu_device *adev = drm_to_adev(dev);
1197 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1198 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1199 struct drm_connector *connector;
1200 struct drm_connector_list_iter iter;
1201 struct amdgpu_connector *amdgpu_connector = NULL;
1202 u8 *sadb = NULL;
1203 int sad_count;
1204 u32 tmp;
1205
1206 drm_connector_list_iter_begin(dev, &iter);
1207 drm_for_each_connector_iter(connector, &iter) {
1208 if (connector->encoder == encoder) {
1209 amdgpu_connector = to_amdgpu_connector(connector);
1210 break;
1211 }
1212 }
1213 drm_connector_list_iter_end(&iter);
1214
1215 if (!amdgpu_connector) {
1216 DRM_ERROR("Couldn't find encoder's connector\n");
1217 return;
1218 }
1219
1220 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector->edid, &sadb);
1221 if (sad_count < 0) {
1222 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1223 sad_count = 0;
1224 }
1225
1226 /* program the speaker allocation */
1227 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1228 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1229 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1230 HDMI_CONNECTION, 0);
1231 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1232 DP_CONNECTION, 0);
1233
1234 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)
1235 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1236 DP_CONNECTION, 1);
1237 else
1238 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1239 HDMI_CONNECTION, 1);
1240
1241 if (sad_count)
1242 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1243 SPEAKER_ALLOCATION, sadb[0]);
1244 else
1245 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1246 SPEAKER_ALLOCATION, 5); /* stereo */
1247
1248 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1249 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1250
1251 kfree(sadb);
1252}
1253
1254static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder)
1255{
1256 struct drm_device *dev = encoder->dev;
1257 struct amdgpu_device *adev = drm_to_adev(dev);
1258 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1259 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1260 struct drm_connector *connector;
1261 struct drm_connector_list_iter iter;
1262 struct amdgpu_connector *amdgpu_connector = NULL;
1263 struct cea_sad *sads;
1264 int i, sad_count;
1265
1266 static const u16 eld_reg_to_type[][2] = {
1267 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1268 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1269 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1270 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1271 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1272 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1273 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1274 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1275 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1276 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1277 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1278 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1279 };
1280
1281 drm_connector_list_iter_begin(dev, &iter);
1282 drm_for_each_connector_iter(connector, &iter) {
1283 if (connector->encoder == encoder) {
1284 amdgpu_connector = to_amdgpu_connector(connector);
1285 break;
1286 }
1287 }
1288 drm_connector_list_iter_end(&iter);
1289
1290 if (!amdgpu_connector) {
1291 DRM_ERROR("Couldn't find encoder's connector\n");
1292 return;
1293 }
1294
1295 sad_count = drm_edid_to_sad(amdgpu_connector->edid, &sads);
1296 if (sad_count < 0)
1297 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1298 if (sad_count <= 0)
1299 return;
1300
1301 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1302 u32 tmp = 0;
1303 u8 stereo_freqs = 0;
1304 int max_channels = -1;
1305 int j;
1306
1307 for (j = 0; j < sad_count; j++) {
1308 struct cea_sad *sad = &sads[j];
1309
1310 if (sad->format == eld_reg_to_type[i][1]) {
1311 if (sad->channels > max_channels) {
1312 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1313 MAX_CHANNELS, sad->channels);
1314 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1315 DESCRIPTOR_BYTE_2, sad->byte2);
1316 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1317 SUPPORTED_FREQUENCIES, sad->freq);
1318 max_channels = sad->channels;
1319 }
1320
1321 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1322 stereo_freqs |= sad->freq;
1323 else
1324 break;
1325 }
1326 }
1327
1328 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1329 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1330 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1331 }
1332
1333 kfree(sads);
1334
1335}
1336
1337static void dce_v6_0_audio_enable(struct amdgpu_device *adev,
1338 struct amdgpu_audio_pin *pin,
1339 bool enable)
1340{
1341 if (!pin)
1342 return;
1343
1344 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1345 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1346}
1347
1348static const u32 pin_offsets[7] =
1349{
1350 (0x1780 - 0x1780),
1351 (0x1786 - 0x1780),
1352 (0x178c - 0x1780),
1353 (0x1792 - 0x1780),
1354 (0x1798 - 0x1780),
1355 (0x179d - 0x1780),
1356 (0x17a4 - 0x1780),
1357};
1358
1359static int dce_v6_0_audio_init(struct amdgpu_device *adev)
1360{
1361 int i;
1362
1363 if (!amdgpu_audio)
1364 return 0;
1365
1366 adev->mode_info.audio.enabled = true;
1367
1368 switch (adev->asic_type) {
1369 case CHIP_TAHITI:
1370 case CHIP_PITCAIRN:
1371 case CHIP_VERDE:
1372 default:
1373 adev->mode_info.audio.num_pins = 6;
1374 break;
1375 case CHIP_OLAND:
1376 adev->mode_info.audio.num_pins = 2;
1377 break;
1378 }
1379
1380 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1381 adev->mode_info.audio.pin[i].channels = -1;
1382 adev->mode_info.audio.pin[i].rate = -1;
1383 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1384 adev->mode_info.audio.pin[i].status_bits = 0;
1385 adev->mode_info.audio.pin[i].category_code = 0;
1386 adev->mode_info.audio.pin[i].connected = false;
1387 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1388 adev->mode_info.audio.pin[i].id = i;
1389 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1390 }
1391
1392 return 0;
1393}
1394
1395static void dce_v6_0_audio_fini(struct amdgpu_device *adev)
1396{
1397 int i;
1398
1399 if (!amdgpu_audio)
1400 return;
1401
1402 if (!adev->mode_info.audio.enabled)
1403 return;
1404
1405 for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1406 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1407
1408 adev->mode_info.audio.enabled = false;
1409}
1410
1411static void dce_v6_0_audio_set_vbi_packet(struct drm_encoder *encoder)
1412{
1413 struct drm_device *dev = encoder->dev;
1414 struct amdgpu_device *adev = drm_to_adev(dev);
1415 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1416 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1417 u32 tmp;
1418
1419 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1420 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1421 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1);
1422 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1);
1423 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1424}
1425
1426static void dce_v6_0_audio_set_acr(struct drm_encoder *encoder,
1427 uint32_t clock, int bpc)
1428{
1429 struct drm_device *dev = encoder->dev;
1430 struct amdgpu_device *adev = drm_to_adev(dev);
1431 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1432 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1433 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1434 u32 tmp;
1435
1436 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1437 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1438 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE,
1439 bpc > 8 ? 0 : 1);
1440 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1441
1442 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1443 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1444 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1445 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1446 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1447 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1448
1449 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1450 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1451 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1452 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1453 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1454 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1455
1456 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1457 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1458 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1459 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1460 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1461 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1462}
1463
1464static void dce_v6_0_audio_set_avi_infoframe(struct drm_encoder *encoder,
1465 struct drm_display_mode *mode)
1466{
1467 struct drm_device *dev = encoder->dev;
1468 struct amdgpu_device *adev = drm_to_adev(dev);
1469 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1470 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1471 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1472 struct hdmi_avi_infoframe frame;
1473 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1474 uint8_t *payload = buffer + 3;
1475 uint8_t *header = buffer;
1476 ssize_t err;
1477 u32 tmp;
1478
1479 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1480 if (err < 0) {
1481 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1482 return;
1483 }
1484
1485 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1486 if (err < 0) {
1487 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1488 return;
1489 }
1490
1491 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1492 payload[0x0] | (payload[0x1] << 8) | (payload[0x2] << 16) | (payload[0x3] << 24));
1493 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1494 payload[0x4] | (payload[0x5] << 8) | (payload[0x6] << 16) | (payload[0x7] << 24));
1495 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1496 payload[0x8] | (payload[0x9] << 8) | (payload[0xA] << 16) | (payload[0xB] << 24));
1497 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1498 payload[0xC] | (payload[0xD] << 8) | (header[1] << 24));
1499
1500 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1501 /* anything other than 0 */
1502 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1,
1503 HDMI_AUDIO_INFO_LINE, 2);
1504 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1505}
1506
1507static void dce_v6_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1508{
1509 struct drm_device *dev = encoder->dev;
1510 struct amdgpu_device *adev = drm_to_adev(dev);
1511 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1512 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1513 u32 tmp;
1514
1515 /*
1516 * Two dtos: generally use dto0 for hdmi, dto1 for dp.
1517 * Express [24MHz / target pixel clock] as an exact rational
1518 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
1519 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1520 */
1521 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1522 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1523 DCCG_AUDIO_DTO0_SOURCE_SEL, amdgpu_crtc->crtc_id);
1524 if (em == ATOM_ENCODER_MODE_HDMI) {
1525 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1526 DCCG_AUDIO_DTO_SEL, 0);
1527 } else if (ENCODER_MODE_IS_DP(em)) {
1528 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1529 DCCG_AUDIO_DTO_SEL, 1);
1530 }
1531 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1532 if (em == ATOM_ENCODER_MODE_HDMI) {
1533 WREG32(mmDCCG_AUDIO_DTO0_PHASE, 24000);
1534 WREG32(mmDCCG_AUDIO_DTO0_MODULE, clock);
1535 } else if (ENCODER_MODE_IS_DP(em)) {
1536 WREG32(mmDCCG_AUDIO_DTO1_PHASE, 24000);
1537 WREG32(mmDCCG_AUDIO_DTO1_MODULE, clock);
1538 }
1539}
1540
1541static void dce_v6_0_audio_set_packet(struct drm_encoder *encoder)
1542{
1543 struct drm_device *dev = encoder->dev;
1544 struct amdgpu_device *adev = drm_to_adev(dev);
1545 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1546 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1547 u32 tmp;
1548
1549 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1550 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1551 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1552
1553 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1554 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1555 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1556
1557 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1558 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1559 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1560
1561 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1562 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1563 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1564 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1565 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1566 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1567 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1568 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1569
1570 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset);
1571 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, 0xff);
1572 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, tmp);
1573
1574 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1575 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1576 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1577 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1578
1579 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1580 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_RESET_FIFO_WHEN_AUDIO_DIS, 1);
1581 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1582 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1583}
1584
1585static void dce_v6_0_audio_set_mute(struct drm_encoder *encoder, bool mute)
1586{
1587 struct drm_device *dev = encoder->dev;
1588 struct amdgpu_device *adev = drm_to_adev(dev);
1589 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1590 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1591 u32 tmp;
1592
1593 tmp = RREG32(mmHDMI_GC + dig->afmt->offset);
1594 tmp = REG_SET_FIELD(tmp, HDMI_GC, HDMI_GC_AVMUTE, mute ? 1 : 0);
1595 WREG32(mmHDMI_GC + dig->afmt->offset, tmp);
1596}
1597
1598static void dce_v6_0_audio_hdmi_enable(struct drm_encoder *encoder, bool enable)
1599{
1600 struct drm_device *dev = encoder->dev;
1601 struct amdgpu_device *adev = drm_to_adev(dev);
1602 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1603 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1604 u32 tmp;
1605
1606 if (enable) {
1607 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1608 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1609 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1610 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1611 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1612 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1613
1614 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1615 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1616 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1617
1618 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1619 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1620 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1621 } else {
1622 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1623 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 0);
1624 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 0);
1625 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 0);
1626 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 0);
1627 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1628
1629 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1630 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 0);
1631 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1632 }
1633}
1634
1635static void dce_v6_0_audio_dp_enable(struct drm_encoder *encoder, bool enable)
1636{
1637 struct drm_device *dev = encoder->dev;
1638 struct amdgpu_device *adev = drm_to_adev(dev);
1639 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1640 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1641 u32 tmp;
1642
1643 if (enable) {
1644 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1645 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1646 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1647
1648 tmp = RREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset);
1649 tmp = REG_SET_FIELD(tmp, DP_SEC_TIMESTAMP, DP_SEC_TIMESTAMP_MODE, 1);
1650 WREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset, tmp);
1651
1652 tmp = RREG32(mmDP_SEC_CNTL + dig->afmt->offset);
1653 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ASP_ENABLE, 1);
1654 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ATP_ENABLE, 1);
1655 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_AIP_ENABLE, 1);
1656 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
1657 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, tmp);
1658 } else {
1659 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, 0);
1660 }
1661}
1662
1663static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder,
1664 struct drm_display_mode *mode)
1665{
1666 struct drm_device *dev = encoder->dev;
1667 struct amdgpu_device *adev = drm_to_adev(dev);
1668 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1669 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1670 struct drm_connector *connector;
1671 struct drm_connector_list_iter iter;
1672 struct amdgpu_connector *amdgpu_connector = NULL;
1673 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1674 int bpc = 8;
1675
1676 if (!dig || !dig->afmt)
1677 return;
1678
1679 drm_connector_list_iter_begin(dev, &iter);
1680 drm_for_each_connector_iter(connector, &iter) {
1681 if (connector->encoder == encoder) {
1682 amdgpu_connector = to_amdgpu_connector(connector);
1683 break;
1684 }
1685 }
1686 drm_connector_list_iter_end(&iter);
1687
1688 if (!amdgpu_connector) {
1689 DRM_ERROR("Couldn't find encoder's connector\n");
1690 return;
1691 }
1692
1693 if (!dig->afmt->enabled)
1694 return;
1695
1696 dig->afmt->pin = dce_v6_0_audio_get_pin(adev);
1697 if (!dig->afmt->pin)
1698 return;
1699
1700 if (encoder->crtc) {
1701 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1702 bpc = amdgpu_crtc->bpc;
1703 }
1704
1705 /* disable audio before setting up hw */
1706 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1707
1708 dce_v6_0_audio_set_mute(encoder, true);
1709 dce_v6_0_audio_write_speaker_allocation(encoder);
1710 dce_v6_0_audio_write_sad_regs(encoder);
1711 dce_v6_0_audio_write_latency_fields(encoder, mode);
1712 if (em == ATOM_ENCODER_MODE_HDMI) {
1713 dce_v6_0_audio_set_dto(encoder, mode->clock);
1714 dce_v6_0_audio_set_vbi_packet(encoder);
1715 dce_v6_0_audio_set_acr(encoder, mode->clock, bpc);
1716 } else if (ENCODER_MODE_IS_DP(em)) {
1717 dce_v6_0_audio_set_dto(encoder, adev->clock.default_dispclk * 10);
1718 }
1719 dce_v6_0_audio_set_packet(encoder);
1720 dce_v6_0_audio_select_pin(encoder);
1721 dce_v6_0_audio_set_avi_infoframe(encoder, mode);
1722 dce_v6_0_audio_set_mute(encoder, false);
1723 if (em == ATOM_ENCODER_MODE_HDMI) {
1724 dce_v6_0_audio_hdmi_enable(encoder, 1);
1725 } else if (ENCODER_MODE_IS_DP(em)) {
1726 dce_v6_0_audio_dp_enable(encoder, 1);
1727 }
1728
1729 /* enable audio after setting up hw */
1730 dce_v6_0_audio_enable(adev, dig->afmt->pin, true);
1731}
1732
1733static void dce_v6_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1734{
1735 struct drm_device *dev = encoder->dev;
1736 struct amdgpu_device *adev = drm_to_adev(dev);
1737 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1738 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1739
1740 if (!dig || !dig->afmt)
1741 return;
1742
1743 /* Silent, r600_hdmi_enable will raise WARN for us */
1744 if (enable && dig->afmt->enabled)
1745 return;
1746
1747 if (!enable && !dig->afmt->enabled)
1748 return;
1749
1750 if (!enable && dig->afmt->pin) {
1751 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1752 dig->afmt->pin = NULL;
1753 }
1754
1755 dig->afmt->enabled = enable;
1756
1757 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1758 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1759}
1760
1761static int dce_v6_0_afmt_init(struct amdgpu_device *adev)
1762{
1763 int i, j;
1764
1765 for (i = 0; i < adev->mode_info.num_dig; i++)
1766 adev->mode_info.afmt[i] = NULL;
1767
1768 /* DCE6 has audio blocks tied to DIG encoders */
1769 for (i = 0; i < adev->mode_info.num_dig; i++) {
1770 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1771 if (adev->mode_info.afmt[i]) {
1772 adev->mode_info.afmt[i]->offset = dig_offsets[i];
1773 adev->mode_info.afmt[i]->id = i;
1774 } else {
1775 for (j = 0; j < i; j++) {
1776 kfree(adev->mode_info.afmt[j]);
1777 adev->mode_info.afmt[j] = NULL;
1778 }
1779 DRM_ERROR("Out of memory allocating afmt table\n");
1780 return -ENOMEM;
1781 }
1782 }
1783 return 0;
1784}
1785
1786static void dce_v6_0_afmt_fini(struct amdgpu_device *adev)
1787{
1788 int i;
1789
1790 for (i = 0; i < adev->mode_info.num_dig; i++) {
1791 kfree(adev->mode_info.afmt[i]);
1792 adev->mode_info.afmt[i] = NULL;
1793 }
1794}
1795
1796static const u32 vga_control_regs[6] =
1797{
1798 mmD1VGA_CONTROL,
1799 mmD2VGA_CONTROL,
1800 mmD3VGA_CONTROL,
1801 mmD4VGA_CONTROL,
1802 mmD5VGA_CONTROL,
1803 mmD6VGA_CONTROL,
1804};
1805
1806static void dce_v6_0_vga_enable(struct drm_crtc *crtc, bool enable)
1807{
1808 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1809 struct drm_device *dev = crtc->dev;
1810 struct amdgpu_device *adev = drm_to_adev(dev);
1811 u32 vga_control;
1812
1813 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1814 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | (enable ? 1 : 0));
1815}
1816
1817static void dce_v6_0_grph_enable(struct drm_crtc *crtc, bool enable)
1818{
1819 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1820 struct drm_device *dev = crtc->dev;
1821 struct amdgpu_device *adev = drm_to_adev(dev);
1822
1823 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, enable ? 1 : 0);
1824}
1825
1826static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
1827 struct drm_framebuffer *fb,
1828 int x, int y, int atomic)
1829{
1830 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1831 struct drm_device *dev = crtc->dev;
1832 struct amdgpu_device *adev = drm_to_adev(dev);
1833 struct drm_framebuffer *target_fb;
1834 struct drm_gem_object *obj;
1835 struct amdgpu_bo *abo;
1836 uint64_t fb_location, tiling_flags;
1837 uint32_t fb_format, fb_pitch_pixels, pipe_config;
1838 u32 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_NONE);
1839 u32 viewport_w, viewport_h;
1840 int r;
1841 bool bypass_lut = false;
1842
1843 /* no fb bound */
1844 if (!atomic && !crtc->primary->fb) {
1845 DRM_DEBUG_KMS("No FB bound\n");
1846 return 0;
1847 }
1848
1849 if (atomic)
1850 target_fb = fb;
1851 else
1852 target_fb = crtc->primary->fb;
1853
1854 /* If atomic, assume fb object is pinned & idle & fenced and
1855 * just update base pointers
1856 */
1857 obj = target_fb->obj[0];
1858 abo = gem_to_amdgpu_bo(obj);
1859 r = amdgpu_bo_reserve(abo, false);
1860 if (unlikely(r != 0))
1861 return r;
1862
1863 if (!atomic) {
1864 abo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
1865 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1866 if (unlikely(r != 0)) {
1867 amdgpu_bo_unreserve(abo);
1868 return -EINVAL;
1869 }
1870 }
1871 fb_location = amdgpu_bo_gpu_offset(abo);
1872
1873 amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1874 amdgpu_bo_unreserve(abo);
1875
1876 switch (target_fb->format->format) {
1877 case DRM_FORMAT_C8:
1878 fb_format = (GRPH_DEPTH(GRPH_DEPTH_8BPP) |
1879 GRPH_FORMAT(GRPH_FORMAT_INDEXED));
1880 break;
1881 case DRM_FORMAT_XRGB4444:
1882 case DRM_FORMAT_ARGB4444:
1883 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1884 GRPH_FORMAT(GRPH_FORMAT_ARGB4444));
1885#ifdef __BIG_ENDIAN
1886 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1887#endif
1888 break;
1889 case DRM_FORMAT_XRGB1555:
1890 case DRM_FORMAT_ARGB1555:
1891 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1892 GRPH_FORMAT(GRPH_FORMAT_ARGB1555));
1893#ifdef __BIG_ENDIAN
1894 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1895#endif
1896 break;
1897 case DRM_FORMAT_BGRX5551:
1898 case DRM_FORMAT_BGRA5551:
1899 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1900 GRPH_FORMAT(GRPH_FORMAT_BGRA5551));
1901#ifdef __BIG_ENDIAN
1902 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1903#endif
1904 break;
1905 case DRM_FORMAT_RGB565:
1906 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1907 GRPH_FORMAT(GRPH_FORMAT_ARGB565));
1908#ifdef __BIG_ENDIAN
1909 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1910#endif
1911 break;
1912 case DRM_FORMAT_XRGB8888:
1913 case DRM_FORMAT_ARGB8888:
1914 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1915 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1916#ifdef __BIG_ENDIAN
1917 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1918#endif
1919 break;
1920 case DRM_FORMAT_XRGB2101010:
1921 case DRM_FORMAT_ARGB2101010:
1922 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1923 GRPH_FORMAT(GRPH_FORMAT_ARGB2101010));
1924#ifdef __BIG_ENDIAN
1925 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1926#endif
1927 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1928 bypass_lut = true;
1929 break;
1930 case DRM_FORMAT_BGRX1010102:
1931 case DRM_FORMAT_BGRA1010102:
1932 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1933 GRPH_FORMAT(GRPH_FORMAT_BGRA1010102));
1934#ifdef __BIG_ENDIAN
1935 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1936#endif
1937 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1938 bypass_lut = true;
1939 break;
1940 case DRM_FORMAT_XBGR8888:
1941 case DRM_FORMAT_ABGR8888:
1942 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1943 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1944 fb_swap = (GRPH_RED_CROSSBAR(GRPH_RED_SEL_B) |
1945 GRPH_BLUE_CROSSBAR(GRPH_BLUE_SEL_R));
1946#ifdef __BIG_ENDIAN
1947 fb_swap |= GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1948#endif
1949 break;
1950 default:
1951 DRM_ERROR("Unsupported screen format %p4cc\n",
1952 &target_fb->format->format);
1953 return -EINVAL;
1954 }
1955
1956 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1957 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1958
1959 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1960 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1961 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1962 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1963 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1964
1965 fb_format |= GRPH_NUM_BANKS(num_banks);
1966 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_2D_TILED_THIN1);
1967 fb_format |= GRPH_TILE_SPLIT(tile_split);
1968 fb_format |= GRPH_BANK_WIDTH(bankw);
1969 fb_format |= GRPH_BANK_HEIGHT(bankh);
1970 fb_format |= GRPH_MACRO_TILE_ASPECT(mtaspect);
1971 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1972 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_1D_TILED_THIN1);
1973 }
1974
1975 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1976 fb_format |= GRPH_PIPE_CONFIG(pipe_config);
1977
1978 dce_v6_0_vga_enable(crtc, false);
1979
1980 /* Make sure surface address is updated at vertical blank rather than
1981 * horizontal blank
1982 */
1983 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1984
1985 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1986 upper_32_bits(fb_location));
1987 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1988 upper_32_bits(fb_location));
1989 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1990 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1991 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1992 (u32) fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1993 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1994 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1995
1996 /*
1997 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1998 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1999 * retain the full precision throughout the pipeline.
2000 */
2001 WREG32_P(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset,
2002 (bypass_lut ? GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK : 0),
2003 ~GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK);
2004
2005 if (bypass_lut)
2006 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2007
2008 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2009 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2010 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2011 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2012 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2013 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2014
2015 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2016 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2017
2018 dce_v6_0_grph_enable(crtc, true);
2019
2020 WREG32(mmDESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2021 target_fb->height);
2022 x &= ~3;
2023 y &= ~1;
2024 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2025 (x << 16) | y);
2026 viewport_w = crtc->mode.hdisplay;
2027 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2028
2029 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2030 (viewport_w << 16) | viewport_h);
2031
2032 /* set pageflip to happen anywhere in vblank interval */
2033 WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2034
2035 if (!atomic && fb && fb != crtc->primary->fb) {
2036 abo = gem_to_amdgpu_bo(fb->obj[0]);
2037 r = amdgpu_bo_reserve(abo, true);
2038 if (unlikely(r != 0))
2039 return r;
2040 amdgpu_bo_unpin(abo);
2041 amdgpu_bo_unreserve(abo);
2042 }
2043
2044 /* Bytes per pixel may have changed */
2045 dce_v6_0_bandwidth_update(adev);
2046
2047 return 0;
2048
2049}
2050
2051static void dce_v6_0_set_interleave(struct drm_crtc *crtc,
2052 struct drm_display_mode *mode)
2053{
2054 struct drm_device *dev = crtc->dev;
2055 struct amdgpu_device *adev = drm_to_adev(dev);
2056 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2057
2058 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2059 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset,
2060 INTERLEAVE_EN);
2061 else
2062 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
2063}
2064
2065static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
2066{
2067
2068 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2069 struct drm_device *dev = crtc->dev;
2070 struct amdgpu_device *adev = drm_to_adev(dev);
2071 u16 *r, *g, *b;
2072 int i;
2073
2074 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2075
2076 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2077 ((0 << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
2078 (0 << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
2079 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
2080 PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
2081 WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
2082 PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
2083 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2084 ((0 << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2085 (0 << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2086
2087 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2088
2089 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2090 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2091 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2092
2093 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2094 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2095 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2096
2097 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2098 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2099
2100 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2101 r = crtc->gamma_store;
2102 g = r + crtc->gamma_size;
2103 b = g + crtc->gamma_size;
2104 for (i = 0; i < 256; i++) {
2105 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2106 ((*r++ & 0xffc0) << 14) |
2107 ((*g++ & 0xffc0) << 4) |
2108 (*b++ >> 6));
2109 }
2110
2111 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2112 ((0 << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2113 (0 << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2114 ICON_DEGAMMA_MODE(0) |
2115 (0 << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2116 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2117 ((0 << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2118 (0 << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2119 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2120 ((0 << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2121 (0 << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2122 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2123 ((0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2124 (0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2125 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2126 WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2127
2128
2129}
2130
2131static int dce_v6_0_pick_dig_encoder(struct drm_encoder *encoder)
2132{
2133 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2134 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2135
2136 switch (amdgpu_encoder->encoder_id) {
2137 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2138 return dig->linkb ? 1 : 0;
2139 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2140 return dig->linkb ? 3 : 2;
2141 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2142 return dig->linkb ? 5 : 4;
2143 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2144 return 6;
2145 default:
2146 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2147 return 0;
2148 }
2149}
2150
2151/**
2152 * dce_v6_0_pick_pll - Allocate a PPLL for use by the crtc.
2153 *
2154 * @crtc: drm crtc
2155 *
2156 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
2157 * a single PPLL can be used for all DP crtcs/encoders. For non-DP
2158 * monitors a dedicated PPLL must be used. If a particular board has
2159 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2160 * as there is no need to program the PLL itself. If we are not able to
2161 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2162 * avoid messing up an existing monitor.
2163 *
2164 *
2165 */
2166static u32 dce_v6_0_pick_pll(struct drm_crtc *crtc)
2167{
2168 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2169 struct drm_device *dev = crtc->dev;
2170 struct amdgpu_device *adev = drm_to_adev(dev);
2171 u32 pll_in_use;
2172 int pll;
2173
2174 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2175 if (adev->clock.dp_extclk)
2176 /* skip PPLL programming if using ext clock */
2177 return ATOM_PPLL_INVALID;
2178 else
2179 return ATOM_PPLL0;
2180 } else {
2181 /* use the same PPLL for all monitors with the same clock */
2182 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2183 if (pll != ATOM_PPLL_INVALID)
2184 return pll;
2185 }
2186
2187 /* PPLL1, and PPLL2 */
2188 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2189 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2190 return ATOM_PPLL2;
2191 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2192 return ATOM_PPLL1;
2193 DRM_ERROR("unable to allocate a PPLL\n");
2194 return ATOM_PPLL_INVALID;
2195}
2196
2197static void dce_v6_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2198{
2199 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2200 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2201 uint32_t cur_lock;
2202
2203 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2204 if (lock)
2205 cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2206 else
2207 cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2208 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2209}
2210
2211static void dce_v6_0_hide_cursor(struct drm_crtc *crtc)
2212{
2213 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2214 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2215
2216 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2217 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2218 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2219
2220
2221}
2222
2223static void dce_v6_0_show_cursor(struct drm_crtc *crtc)
2224{
2225 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2226 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2227
2228 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2229 upper_32_bits(amdgpu_crtc->cursor_addr));
2230 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2231 lower_32_bits(amdgpu_crtc->cursor_addr));
2232
2233 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2234 CUR_CONTROL__CURSOR_EN_MASK |
2235 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2236 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2237
2238}
2239
2240static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,
2241 int x, int y)
2242{
2243 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2244 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2245 int xorigin = 0, yorigin = 0;
2246
2247 int w = amdgpu_crtc->cursor_width;
2248
2249 amdgpu_crtc->cursor_x = x;
2250 amdgpu_crtc->cursor_y = y;
2251
2252 /* avivo cursor are offset into the total surface */
2253 x += crtc->x;
2254 y += crtc->y;
2255 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2256
2257 if (x < 0) {
2258 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2259 x = 0;
2260 }
2261 if (y < 0) {
2262 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2263 y = 0;
2264 }
2265
2266 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2267 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2268 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2269 ((w - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2270
2271 return 0;
2272}
2273
2274static int dce_v6_0_crtc_cursor_move(struct drm_crtc *crtc,
2275 int x, int y)
2276{
2277 int ret;
2278
2279 dce_v6_0_lock_cursor(crtc, true);
2280 ret = dce_v6_0_cursor_move_locked(crtc, x, y);
2281 dce_v6_0_lock_cursor(crtc, false);
2282
2283 return ret;
2284}
2285
2286static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,
2287 struct drm_file *file_priv,
2288 uint32_t handle,
2289 uint32_t width,
2290 uint32_t height,
2291 int32_t hot_x,
2292 int32_t hot_y)
2293{
2294 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2295 struct drm_gem_object *obj;
2296 struct amdgpu_bo *aobj;
2297 int ret;
2298
2299 if (!handle) {
2300 /* turn off cursor */
2301 dce_v6_0_hide_cursor(crtc);
2302 obj = NULL;
2303 goto unpin;
2304 }
2305
2306 if ((width > amdgpu_crtc->max_cursor_width) ||
2307 (height > amdgpu_crtc->max_cursor_height)) {
2308 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2309 return -EINVAL;
2310 }
2311
2312 obj = drm_gem_object_lookup(file_priv, handle);
2313 if (!obj) {
2314 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2315 return -ENOENT;
2316 }
2317
2318 aobj = gem_to_amdgpu_bo(obj);
2319 ret = amdgpu_bo_reserve(aobj, false);
2320 if (ret != 0) {
2321 drm_gem_object_put(obj);
2322 return ret;
2323 }
2324
2325 aobj->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
2326 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2327 amdgpu_bo_unreserve(aobj);
2328 if (ret) {
2329 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2330 drm_gem_object_put(obj);
2331 return ret;
2332 }
2333 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2334
2335 dce_v6_0_lock_cursor(crtc, true);
2336
2337 if (width != amdgpu_crtc->cursor_width ||
2338 height != amdgpu_crtc->cursor_height ||
2339 hot_x != amdgpu_crtc->cursor_hot_x ||
2340 hot_y != amdgpu_crtc->cursor_hot_y) {
2341 int x, y;
2342
2343 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2344 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2345
2346 dce_v6_0_cursor_move_locked(crtc, x, y);
2347
2348 amdgpu_crtc->cursor_width = width;
2349 amdgpu_crtc->cursor_height = height;
2350 amdgpu_crtc->cursor_hot_x = hot_x;
2351 amdgpu_crtc->cursor_hot_y = hot_y;
2352 }
2353
2354 dce_v6_0_show_cursor(crtc);
2355 dce_v6_0_lock_cursor(crtc, false);
2356
2357unpin:
2358 if (amdgpu_crtc->cursor_bo) {
2359 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2360 ret = amdgpu_bo_reserve(aobj, true);
2361 if (likely(ret == 0)) {
2362 amdgpu_bo_unpin(aobj);
2363 amdgpu_bo_unreserve(aobj);
2364 }
2365 drm_gem_object_put(amdgpu_crtc->cursor_bo);
2366 }
2367
2368 amdgpu_crtc->cursor_bo = obj;
2369 return 0;
2370}
2371
2372static void dce_v6_0_cursor_reset(struct drm_crtc *crtc)
2373{
2374 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2375
2376 if (amdgpu_crtc->cursor_bo) {
2377 dce_v6_0_lock_cursor(crtc, true);
2378
2379 dce_v6_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2380 amdgpu_crtc->cursor_y);
2381
2382 dce_v6_0_show_cursor(crtc);
2383 dce_v6_0_lock_cursor(crtc, false);
2384 }
2385}
2386
2387static int dce_v6_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2388 u16 *blue, uint32_t size,
2389 struct drm_modeset_acquire_ctx *ctx)
2390{
2391 dce_v6_0_crtc_load_lut(crtc);
2392
2393 return 0;
2394}
2395
2396static void dce_v6_0_crtc_destroy(struct drm_crtc *crtc)
2397{
2398 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2399
2400 drm_crtc_cleanup(crtc);
2401 kfree(amdgpu_crtc);
2402}
2403
2404static const struct drm_crtc_funcs dce_v6_0_crtc_funcs = {
2405 .cursor_set2 = dce_v6_0_crtc_cursor_set2,
2406 .cursor_move = dce_v6_0_crtc_cursor_move,
2407 .gamma_set = dce_v6_0_crtc_gamma_set,
2408 .set_config = amdgpu_display_crtc_set_config,
2409 .destroy = dce_v6_0_crtc_destroy,
2410 .page_flip_target = amdgpu_display_crtc_page_flip_target,
2411 .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2412 .enable_vblank = amdgpu_enable_vblank_kms,
2413 .disable_vblank = amdgpu_disable_vblank_kms,
2414 .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2415};
2416
2417static void dce_v6_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2418{
2419 struct drm_device *dev = crtc->dev;
2420 struct amdgpu_device *adev = drm_to_adev(dev);
2421 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2422 unsigned type;
2423
2424 switch (mode) {
2425 case DRM_MODE_DPMS_ON:
2426 amdgpu_crtc->enabled = true;
2427 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2428 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2429 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2430 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2431 amdgpu_crtc->crtc_id);
2432 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2433 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2434 drm_crtc_vblank_on(crtc);
2435 dce_v6_0_crtc_load_lut(crtc);
2436 break;
2437 case DRM_MODE_DPMS_STANDBY:
2438 case DRM_MODE_DPMS_SUSPEND:
2439 case DRM_MODE_DPMS_OFF:
2440 drm_crtc_vblank_off(crtc);
2441 if (amdgpu_crtc->enabled)
2442 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2443 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2444 amdgpu_crtc->enabled = false;
2445 break;
2446 }
2447 /* adjust pm to dpms */
2448 amdgpu_dpm_compute_clocks(adev);
2449}
2450
2451static void dce_v6_0_crtc_prepare(struct drm_crtc *crtc)
2452{
2453 /* disable crtc pair power gating before programming */
2454 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2455 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2456 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2457}
2458
2459static void dce_v6_0_crtc_commit(struct drm_crtc *crtc)
2460{
2461 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2462 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2463}
2464
2465static void dce_v6_0_crtc_disable(struct drm_crtc *crtc)
2466{
2467
2468 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2469 struct drm_device *dev = crtc->dev;
2470 struct amdgpu_device *adev = drm_to_adev(dev);
2471 struct amdgpu_atom_ss ss;
2472 int i;
2473
2474 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2475 if (crtc->primary->fb) {
2476 int r;
2477 struct amdgpu_bo *abo;
2478
2479 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2480 r = amdgpu_bo_reserve(abo, true);
2481 if (unlikely(r))
2482 DRM_ERROR("failed to reserve abo before unpin\n");
2483 else {
2484 amdgpu_bo_unpin(abo);
2485 amdgpu_bo_unreserve(abo);
2486 }
2487 }
2488 /* disable the GRPH */
2489 dce_v6_0_grph_enable(crtc, false);
2490
2491 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2492
2493 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2494 if (adev->mode_info.crtcs[i] &&
2495 adev->mode_info.crtcs[i]->enabled &&
2496 i != amdgpu_crtc->crtc_id &&
2497 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2498 /* one other crtc is using this pll don't turn
2499 * off the pll
2500 */
2501 goto done;
2502 }
2503 }
2504
2505 switch (amdgpu_crtc->pll_id) {
2506 case ATOM_PPLL1:
2507 case ATOM_PPLL2:
2508 /* disable the ppll */
2509 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2510 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2511 break;
2512 default:
2513 break;
2514 }
2515done:
2516 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2517 amdgpu_crtc->adjusted_clock = 0;
2518 amdgpu_crtc->encoder = NULL;
2519 amdgpu_crtc->connector = NULL;
2520}
2521
2522static int dce_v6_0_crtc_mode_set(struct drm_crtc *crtc,
2523 struct drm_display_mode *mode,
2524 struct drm_display_mode *adjusted_mode,
2525 int x, int y, struct drm_framebuffer *old_fb)
2526{
2527 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2528
2529 if (!amdgpu_crtc->adjusted_clock)
2530 return -EINVAL;
2531
2532 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2533 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2534 dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2535 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2536 amdgpu_atombios_crtc_scaler_setup(crtc);
2537 dce_v6_0_cursor_reset(crtc);
2538 /* update the hw version fpr dpm */
2539 amdgpu_crtc->hw_mode = *adjusted_mode;
2540
2541 return 0;
2542}
2543
2544static bool dce_v6_0_crtc_mode_fixup(struct drm_crtc *crtc,
2545 const struct drm_display_mode *mode,
2546 struct drm_display_mode *adjusted_mode)
2547{
2548
2549 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2550 struct drm_device *dev = crtc->dev;
2551 struct drm_encoder *encoder;
2552
2553 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2554 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2555 if (encoder->crtc == crtc) {
2556 amdgpu_crtc->encoder = encoder;
2557 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2558 break;
2559 }
2560 }
2561 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2562 amdgpu_crtc->encoder = NULL;
2563 amdgpu_crtc->connector = NULL;
2564 return false;
2565 }
2566 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2567 return false;
2568 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2569 return false;
2570 /* pick pll */
2571 amdgpu_crtc->pll_id = dce_v6_0_pick_pll(crtc);
2572 /* if we can't get a PPLL for a non-DP encoder, fail */
2573 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2574 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2575 return false;
2576
2577 return true;
2578}
2579
2580static int dce_v6_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2581 struct drm_framebuffer *old_fb)
2582{
2583 return dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2584}
2585
2586static int dce_v6_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2587 struct drm_framebuffer *fb,
2588 int x, int y, enum mode_set_atomic state)
2589{
2590 return dce_v6_0_crtc_do_set_base(crtc, fb, x, y, 1);
2591}
2592
2593static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = {
2594 .dpms = dce_v6_0_crtc_dpms,
2595 .mode_fixup = dce_v6_0_crtc_mode_fixup,
2596 .mode_set = dce_v6_0_crtc_mode_set,
2597 .mode_set_base = dce_v6_0_crtc_set_base,
2598 .mode_set_base_atomic = dce_v6_0_crtc_set_base_atomic,
2599 .prepare = dce_v6_0_crtc_prepare,
2600 .commit = dce_v6_0_crtc_commit,
2601 .disable = dce_v6_0_crtc_disable,
2602 .get_scanout_position = amdgpu_crtc_get_scanout_position,
2603};
2604
2605static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
2606{
2607 struct amdgpu_crtc *amdgpu_crtc;
2608
2609 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2610 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2611 if (amdgpu_crtc == NULL)
2612 return -ENOMEM;
2613
2614 drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v6_0_crtc_funcs);
2615
2616 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2617 amdgpu_crtc->crtc_id = index;
2618 adev->mode_info.crtcs[index] = amdgpu_crtc;
2619
2620 amdgpu_crtc->max_cursor_width = CURSOR_WIDTH;
2621 amdgpu_crtc->max_cursor_height = CURSOR_HEIGHT;
2622 adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2623 adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2624
2625 amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2626
2627 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2628 amdgpu_crtc->adjusted_clock = 0;
2629 amdgpu_crtc->encoder = NULL;
2630 amdgpu_crtc->connector = NULL;
2631 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v6_0_crtc_helper_funcs);
2632
2633 return 0;
2634}
2635
2636static int dce_v6_0_early_init(struct amdgpu_ip_block *ip_block)
2637{
2638 struct amdgpu_device *adev = ip_block->adev;
2639
2640 adev->audio_endpt_rreg = &dce_v6_0_audio_endpt_rreg;
2641 adev->audio_endpt_wreg = &dce_v6_0_audio_endpt_wreg;
2642
2643 dce_v6_0_set_display_funcs(adev);
2644
2645 adev->mode_info.num_crtc = dce_v6_0_get_num_crtc(adev);
2646
2647 switch (adev->asic_type) {
2648 case CHIP_TAHITI:
2649 case CHIP_PITCAIRN:
2650 case CHIP_VERDE:
2651 adev->mode_info.num_hpd = 6;
2652 adev->mode_info.num_dig = 6;
2653 break;
2654 case CHIP_OLAND:
2655 adev->mode_info.num_hpd = 2;
2656 adev->mode_info.num_dig = 2;
2657 break;
2658 default:
2659 return -EINVAL;
2660 }
2661
2662 dce_v6_0_set_irq_funcs(adev);
2663
2664 return 0;
2665}
2666
2667static int dce_v6_0_sw_init(struct amdgpu_ip_block *ip_block)
2668{
2669 int r, i;
2670 bool ret;
2671 struct amdgpu_device *adev = ip_block->adev;
2672
2673 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2674 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2675 if (r)
2676 return r;
2677 }
2678
2679 for (i = 8; i < 20; i += 2) {
2680 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2681 if (r)
2682 return r;
2683 }
2684
2685 /* HPD hotplug */
2686 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2687 if (r)
2688 return r;
2689
2690 adev->mode_info.mode_config_initialized = true;
2691
2692 adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2693 adev_to_drm(adev)->mode_config.async_page_flip = true;
2694 adev_to_drm(adev)->mode_config.max_width = 16384;
2695 adev_to_drm(adev)->mode_config.max_height = 16384;
2696 adev_to_drm(adev)->mode_config.preferred_depth = 24;
2697 adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2698 adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2699
2700 r = amdgpu_display_modeset_create_props(adev);
2701 if (r)
2702 return r;
2703
2704 adev_to_drm(adev)->mode_config.max_width = 16384;
2705 adev_to_drm(adev)->mode_config.max_height = 16384;
2706
2707 /* allocate crtcs */
2708 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2709 r = dce_v6_0_crtc_init(adev, i);
2710 if (r)
2711 return r;
2712 }
2713
2714 ret = amdgpu_atombios_get_connector_info_from_object_table(adev);
2715 if (ret)
2716 amdgpu_display_print_display_setup(adev_to_drm(adev));
2717 else
2718 return -EINVAL;
2719
2720 /* setup afmt */
2721 r = dce_v6_0_afmt_init(adev);
2722 if (r)
2723 return r;
2724
2725 r = dce_v6_0_audio_init(adev);
2726 if (r)
2727 return r;
2728
2729 /* Disable vblank IRQs aggressively for power-saving */
2730 /* XXX: can this be enabled for DC? */
2731 adev_to_drm(adev)->vblank_disable_immediate = true;
2732
2733 r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2734 if (r)
2735 return r;
2736
2737 /* Pre-DCE11 */
2738 INIT_DELAYED_WORK(&adev->hotplug_work,
2739 amdgpu_display_hotplug_work_func);
2740
2741 drm_kms_helper_poll_init(adev_to_drm(adev));
2742
2743 return r;
2744}
2745
2746static int dce_v6_0_sw_fini(struct amdgpu_ip_block *ip_block)
2747{
2748 struct amdgpu_device *adev = ip_block->adev;
2749
2750 drm_edid_free(adev->mode_info.bios_hardcoded_edid);
2751
2752 drm_kms_helper_poll_fini(adev_to_drm(adev));
2753
2754 dce_v6_0_audio_fini(adev);
2755 dce_v6_0_afmt_fini(adev);
2756
2757 drm_mode_config_cleanup(adev_to_drm(adev));
2758 adev->mode_info.mode_config_initialized = false;
2759
2760 return 0;
2761}
2762
2763static int dce_v6_0_hw_init(struct amdgpu_ip_block *ip_block)
2764{
2765 int i;
2766 struct amdgpu_device *adev = ip_block->adev;
2767
2768 /* disable vga render */
2769 dce_v6_0_set_vga_render_state(adev, false);
2770 /* init dig PHYs, disp eng pll */
2771 amdgpu_atombios_encoder_init_dig(adev);
2772 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2773
2774 /* initialize hpd */
2775 dce_v6_0_hpd_init(adev);
2776
2777 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2778 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2779 }
2780
2781 dce_v6_0_pageflip_interrupt_init(adev);
2782
2783 return 0;
2784}
2785
2786static int dce_v6_0_hw_fini(struct amdgpu_ip_block *ip_block)
2787{
2788 int i;
2789 struct amdgpu_device *adev = ip_block->adev;
2790
2791 dce_v6_0_hpd_fini(adev);
2792
2793 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2794 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2795 }
2796
2797 dce_v6_0_pageflip_interrupt_fini(adev);
2798
2799 flush_delayed_work(&adev->hotplug_work);
2800
2801 return 0;
2802}
2803
2804static int dce_v6_0_suspend(struct amdgpu_ip_block *ip_block)
2805{
2806 struct amdgpu_device *adev = ip_block->adev;
2807 int r;
2808
2809 r = amdgpu_display_suspend_helper(adev);
2810 if (r)
2811 return r;
2812 adev->mode_info.bl_level =
2813 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2814
2815 return dce_v6_0_hw_fini(ip_block);
2816}
2817
2818static int dce_v6_0_resume(struct amdgpu_ip_block *ip_block)
2819{
2820 struct amdgpu_device *adev = ip_block->adev;
2821 int ret;
2822
2823 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2824 adev->mode_info.bl_level);
2825
2826 ret = dce_v6_0_hw_init(ip_block);
2827
2828 /* turn on the BL */
2829 if (adev->mode_info.bl_encoder) {
2830 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2831 adev->mode_info.bl_encoder);
2832 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2833 bl_level);
2834 }
2835 if (ret)
2836 return ret;
2837
2838 return amdgpu_display_resume_helper(adev);
2839}
2840
2841static bool dce_v6_0_is_idle(void *handle)
2842{
2843 return true;
2844}
2845
2846static int dce_v6_0_soft_reset(struct amdgpu_ip_block *ip_block)
2847{
2848 DRM_INFO("xxxx: dce_v6_0_soft_reset --- no impl!!\n");
2849 return 0;
2850}
2851
2852static void dce_v6_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2853 int crtc,
2854 enum amdgpu_interrupt_state state)
2855{
2856 u32 reg_block, interrupt_mask;
2857
2858 if (crtc >= adev->mode_info.num_crtc) {
2859 DRM_DEBUG("invalid crtc %d\n", crtc);
2860 return;
2861 }
2862
2863 switch (crtc) {
2864 case 0:
2865 reg_block = SI_CRTC0_REGISTER_OFFSET;
2866 break;
2867 case 1:
2868 reg_block = SI_CRTC1_REGISTER_OFFSET;
2869 break;
2870 case 2:
2871 reg_block = SI_CRTC2_REGISTER_OFFSET;
2872 break;
2873 case 3:
2874 reg_block = SI_CRTC3_REGISTER_OFFSET;
2875 break;
2876 case 4:
2877 reg_block = SI_CRTC4_REGISTER_OFFSET;
2878 break;
2879 case 5:
2880 reg_block = SI_CRTC5_REGISTER_OFFSET;
2881 break;
2882 default:
2883 DRM_DEBUG("invalid crtc %d\n", crtc);
2884 return;
2885 }
2886
2887 switch (state) {
2888 case AMDGPU_IRQ_STATE_DISABLE:
2889 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2890 interrupt_mask &= ~VBLANK_INT_MASK;
2891 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2892 break;
2893 case AMDGPU_IRQ_STATE_ENABLE:
2894 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2895 interrupt_mask |= VBLANK_INT_MASK;
2896 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2897 break;
2898 default:
2899 break;
2900 }
2901}
2902
2903static void dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2904 int crtc,
2905 enum amdgpu_interrupt_state state)
2906{
2907
2908}
2909
2910static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2911 struct amdgpu_irq_src *src,
2912 unsigned type,
2913 enum amdgpu_interrupt_state state)
2914{
2915 u32 dc_hpd_int_cntl;
2916
2917 if (type >= adev->mode_info.num_hpd) {
2918 DRM_DEBUG("invalid hdp %d\n", type);
2919 return 0;
2920 }
2921
2922 switch (state) {
2923 case AMDGPU_IRQ_STATE_DISABLE:
2924 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2925 dc_hpd_int_cntl &= ~DC_HPDx_INT_EN;
2926 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2927 break;
2928 case AMDGPU_IRQ_STATE_ENABLE:
2929 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2930 dc_hpd_int_cntl |= DC_HPDx_INT_EN;
2931 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2932 break;
2933 default:
2934 break;
2935 }
2936
2937 return 0;
2938}
2939
2940static int dce_v6_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2941 struct amdgpu_irq_src *src,
2942 unsigned type,
2943 enum amdgpu_interrupt_state state)
2944{
2945 switch (type) {
2946 case AMDGPU_CRTC_IRQ_VBLANK1:
2947 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2948 break;
2949 case AMDGPU_CRTC_IRQ_VBLANK2:
2950 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2951 break;
2952 case AMDGPU_CRTC_IRQ_VBLANK3:
2953 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2954 break;
2955 case AMDGPU_CRTC_IRQ_VBLANK4:
2956 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2957 break;
2958 case AMDGPU_CRTC_IRQ_VBLANK5:
2959 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2960 break;
2961 case AMDGPU_CRTC_IRQ_VBLANK6:
2962 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2963 break;
2964 case AMDGPU_CRTC_IRQ_VLINE1:
2965 dce_v6_0_set_crtc_vline_interrupt_state(adev, 0, state);
2966 break;
2967 case AMDGPU_CRTC_IRQ_VLINE2:
2968 dce_v6_0_set_crtc_vline_interrupt_state(adev, 1, state);
2969 break;
2970 case AMDGPU_CRTC_IRQ_VLINE3:
2971 dce_v6_0_set_crtc_vline_interrupt_state(adev, 2, state);
2972 break;
2973 case AMDGPU_CRTC_IRQ_VLINE4:
2974 dce_v6_0_set_crtc_vline_interrupt_state(adev, 3, state);
2975 break;
2976 case AMDGPU_CRTC_IRQ_VLINE5:
2977 dce_v6_0_set_crtc_vline_interrupt_state(adev, 4, state);
2978 break;
2979 case AMDGPU_CRTC_IRQ_VLINE6:
2980 dce_v6_0_set_crtc_vline_interrupt_state(adev, 5, state);
2981 break;
2982 default:
2983 break;
2984 }
2985 return 0;
2986}
2987
2988static int dce_v6_0_crtc_irq(struct amdgpu_device *adev,
2989 struct amdgpu_irq_src *source,
2990 struct amdgpu_iv_entry *entry)
2991{
2992 unsigned crtc = entry->src_id - 1;
2993 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
2994 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
2995 crtc);
2996
2997 switch (entry->src_data[0]) {
2998 case 0: /* vblank */
2999 if (disp_int & interrupt_status_offsets[crtc].vblank)
3000 WREG32(mmVBLANK_STATUS + crtc_offsets[crtc], VBLANK_ACK);
3001 else
3002 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3003
3004 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3005 drm_handle_vblank(adev_to_drm(adev), crtc);
3006 }
3007 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3008 break;
3009 case 1: /* vline */
3010 if (disp_int & interrupt_status_offsets[crtc].vline)
3011 WREG32(mmVLINE_STATUS + crtc_offsets[crtc], VLINE_ACK);
3012 else
3013 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3014
3015 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3016 break;
3017 default:
3018 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3019 break;
3020 }
3021
3022 return 0;
3023}
3024
3025static int dce_v6_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
3026 struct amdgpu_irq_src *src,
3027 unsigned type,
3028 enum amdgpu_interrupt_state state)
3029{
3030 u32 reg;
3031
3032 if (type >= adev->mode_info.num_crtc) {
3033 DRM_ERROR("invalid pageflip crtc %d\n", type);
3034 return -EINVAL;
3035 }
3036
3037 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3038 if (state == AMDGPU_IRQ_STATE_DISABLE)
3039 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3040 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3041 else
3042 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3043 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3044
3045 return 0;
3046}
3047
3048static int dce_v6_0_pageflip_irq(struct amdgpu_device *adev,
3049 struct amdgpu_irq_src *source,
3050 struct amdgpu_iv_entry *entry)
3051{
3052 unsigned long flags;
3053 unsigned crtc_id;
3054 struct amdgpu_crtc *amdgpu_crtc;
3055 struct amdgpu_flip_work *works;
3056
3057 crtc_id = (entry->src_id - 8) >> 1;
3058 amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3059
3060 if (crtc_id >= adev->mode_info.num_crtc) {
3061 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3062 return -EINVAL;
3063 }
3064
3065 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3066 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3067 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3068 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3069
3070 /* IRQ could occur when in initial stage */
3071 if (amdgpu_crtc == NULL)
3072 return 0;
3073
3074 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3075 works = amdgpu_crtc->pflip_works;
3076 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3077 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3078 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3079 amdgpu_crtc->pflip_status,
3080 AMDGPU_FLIP_SUBMITTED);
3081 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3082 return 0;
3083 }
3084
3085 /* page flip completed. clean up */
3086 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3087 amdgpu_crtc->pflip_works = NULL;
3088
3089 /* wakeup usersapce */
3090 if (works->event)
3091 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3092
3093 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3094
3095 drm_crtc_vblank_put(&amdgpu_crtc->base);
3096 schedule_work(&works->unpin_work);
3097
3098 return 0;
3099}
3100
3101static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
3102 struct amdgpu_irq_src *source,
3103 struct amdgpu_iv_entry *entry)
3104{
3105 uint32_t disp_int, mask;
3106 unsigned hpd;
3107
3108 if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3109 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3110 return 0;
3111 }
3112
3113 hpd = entry->src_data[0];
3114 disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3115 mask = interrupt_status_offsets[hpd].hpd;
3116
3117 if (disp_int & mask) {
3118 dce_v6_0_hpd_int_ack(adev, hpd);
3119 schedule_delayed_work(&adev->hotplug_work, 0);
3120 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3121 }
3122
3123 return 0;
3124
3125}
3126
3127static int dce_v6_0_set_clockgating_state(void *handle,
3128 enum amd_clockgating_state state)
3129{
3130 return 0;
3131}
3132
3133static int dce_v6_0_set_powergating_state(void *handle,
3134 enum amd_powergating_state state)
3135{
3136 return 0;
3137}
3138
3139static const struct amd_ip_funcs dce_v6_0_ip_funcs = {
3140 .name = "dce_v6_0",
3141 .early_init = dce_v6_0_early_init,
3142 .sw_init = dce_v6_0_sw_init,
3143 .sw_fini = dce_v6_0_sw_fini,
3144 .hw_init = dce_v6_0_hw_init,
3145 .hw_fini = dce_v6_0_hw_fini,
3146 .suspend = dce_v6_0_suspend,
3147 .resume = dce_v6_0_resume,
3148 .is_idle = dce_v6_0_is_idle,
3149 .soft_reset = dce_v6_0_soft_reset,
3150 .set_clockgating_state = dce_v6_0_set_clockgating_state,
3151 .set_powergating_state = dce_v6_0_set_powergating_state,
3152};
3153
3154static void
3155dce_v6_0_encoder_mode_set(struct drm_encoder *encoder,
3156 struct drm_display_mode *mode,
3157 struct drm_display_mode *adjusted_mode)
3158{
3159
3160 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3161 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3162
3163 amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3164
3165 /* need to call this here rather than in prepare() since we need some crtc info */
3166 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3167
3168 /* set scaler clears this on some chips */
3169 dce_v6_0_set_interleave(encoder->crtc, mode);
3170
3171 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em)) {
3172 dce_v6_0_afmt_enable(encoder, true);
3173 dce_v6_0_afmt_setmode(encoder, adjusted_mode);
3174 }
3175}
3176
3177static void dce_v6_0_encoder_prepare(struct drm_encoder *encoder)
3178{
3179
3180 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3181 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3182 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3183
3184 if ((amdgpu_encoder->active_device &
3185 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3186 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3187 ENCODER_OBJECT_ID_NONE)) {
3188 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3189 if (dig) {
3190 dig->dig_encoder = dce_v6_0_pick_dig_encoder(encoder);
3191 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3192 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3193 }
3194 }
3195
3196 amdgpu_atombios_scratch_regs_lock(adev, true);
3197
3198 if (connector) {
3199 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3200
3201 /* select the clock/data port if it uses a router */
3202 if (amdgpu_connector->router.cd_valid)
3203 amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3204
3205 /* turn eDP panel on for mode set */
3206 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3207 amdgpu_atombios_encoder_set_edp_panel_power(connector,
3208 ATOM_TRANSMITTER_ACTION_POWER_ON);
3209 }
3210
3211 /* this is needed for the pll/ss setup to work correctly in some cases */
3212 amdgpu_atombios_encoder_set_crtc_source(encoder);
3213 /* set up the FMT blocks */
3214 dce_v6_0_program_fmt(encoder);
3215}
3216
3217static void dce_v6_0_encoder_commit(struct drm_encoder *encoder)
3218{
3219
3220 struct drm_device *dev = encoder->dev;
3221 struct amdgpu_device *adev = drm_to_adev(dev);
3222
3223 /* need to call this here as we need the crtc set up */
3224 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3225 amdgpu_atombios_scratch_regs_lock(adev, false);
3226}
3227
3228static void dce_v6_0_encoder_disable(struct drm_encoder *encoder)
3229{
3230
3231 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3232 struct amdgpu_encoder_atom_dig *dig;
3233 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3234
3235 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3236
3237 if (amdgpu_atombios_encoder_is_digital(encoder)) {
3238 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em))
3239 dce_v6_0_afmt_enable(encoder, false);
3240 dig = amdgpu_encoder->enc_priv;
3241 dig->dig_encoder = -1;
3242 }
3243 amdgpu_encoder->active_device = 0;
3244}
3245
3246/* these are handled by the primary encoders */
3247static void dce_v6_0_ext_prepare(struct drm_encoder *encoder)
3248{
3249
3250}
3251
3252static void dce_v6_0_ext_commit(struct drm_encoder *encoder)
3253{
3254
3255}
3256
3257static void
3258dce_v6_0_ext_mode_set(struct drm_encoder *encoder,
3259 struct drm_display_mode *mode,
3260 struct drm_display_mode *adjusted_mode)
3261{
3262
3263}
3264
3265static void dce_v6_0_ext_disable(struct drm_encoder *encoder)
3266{
3267
3268}
3269
3270static void
3271dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode)
3272{
3273
3274}
3275
3276static bool dce_v6_0_ext_mode_fixup(struct drm_encoder *encoder,
3277 const struct drm_display_mode *mode,
3278 struct drm_display_mode *adjusted_mode)
3279{
3280 return true;
3281}
3282
3283static const struct drm_encoder_helper_funcs dce_v6_0_ext_helper_funcs = {
3284 .dpms = dce_v6_0_ext_dpms,
3285 .mode_fixup = dce_v6_0_ext_mode_fixup,
3286 .prepare = dce_v6_0_ext_prepare,
3287 .mode_set = dce_v6_0_ext_mode_set,
3288 .commit = dce_v6_0_ext_commit,
3289 .disable = dce_v6_0_ext_disable,
3290 /* no detect for TMDS/LVDS yet */
3291};
3292
3293static const struct drm_encoder_helper_funcs dce_v6_0_dig_helper_funcs = {
3294 .dpms = amdgpu_atombios_encoder_dpms,
3295 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3296 .prepare = dce_v6_0_encoder_prepare,
3297 .mode_set = dce_v6_0_encoder_mode_set,
3298 .commit = dce_v6_0_encoder_commit,
3299 .disable = dce_v6_0_encoder_disable,
3300 .detect = amdgpu_atombios_encoder_dig_detect,
3301};
3302
3303static const struct drm_encoder_helper_funcs dce_v6_0_dac_helper_funcs = {
3304 .dpms = amdgpu_atombios_encoder_dpms,
3305 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3306 .prepare = dce_v6_0_encoder_prepare,
3307 .mode_set = dce_v6_0_encoder_mode_set,
3308 .commit = dce_v6_0_encoder_commit,
3309 .detect = amdgpu_atombios_encoder_dac_detect,
3310};
3311
3312static void dce_v6_0_encoder_destroy(struct drm_encoder *encoder)
3313{
3314 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3315 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3316 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3317 kfree(amdgpu_encoder->enc_priv);
3318 drm_encoder_cleanup(encoder);
3319 kfree(amdgpu_encoder);
3320}
3321
3322static const struct drm_encoder_funcs dce_v6_0_encoder_funcs = {
3323 .destroy = dce_v6_0_encoder_destroy,
3324};
3325
3326static void dce_v6_0_encoder_add(struct amdgpu_device *adev,
3327 uint32_t encoder_enum,
3328 uint32_t supported_device,
3329 u16 caps)
3330{
3331 struct drm_device *dev = adev_to_drm(adev);
3332 struct drm_encoder *encoder;
3333 struct amdgpu_encoder *amdgpu_encoder;
3334
3335 /* see if we already added it */
3336 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3337 amdgpu_encoder = to_amdgpu_encoder(encoder);
3338 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3339 amdgpu_encoder->devices |= supported_device;
3340 return;
3341 }
3342
3343 }
3344
3345 /* add a new one */
3346 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3347 if (!amdgpu_encoder)
3348 return;
3349
3350 encoder = &amdgpu_encoder->base;
3351 switch (adev->mode_info.num_crtc) {
3352 case 1:
3353 encoder->possible_crtcs = 0x1;
3354 break;
3355 case 2:
3356 default:
3357 encoder->possible_crtcs = 0x3;
3358 break;
3359 case 4:
3360 encoder->possible_crtcs = 0xf;
3361 break;
3362 case 6:
3363 encoder->possible_crtcs = 0x3f;
3364 break;
3365 }
3366
3367 amdgpu_encoder->enc_priv = NULL;
3368 amdgpu_encoder->encoder_enum = encoder_enum;
3369 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3370 amdgpu_encoder->devices = supported_device;
3371 amdgpu_encoder->rmx_type = RMX_OFF;
3372 amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3373 amdgpu_encoder->is_ext_encoder = false;
3374 amdgpu_encoder->caps = caps;
3375
3376 switch (amdgpu_encoder->encoder_id) {
3377 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3378 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3379 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3380 DRM_MODE_ENCODER_DAC, NULL);
3381 drm_encoder_helper_add(encoder, &dce_v6_0_dac_helper_funcs);
3382 break;
3383 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3384 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3385 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3386 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3387 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3388 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3389 amdgpu_encoder->rmx_type = RMX_FULL;
3390 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3391 DRM_MODE_ENCODER_LVDS, NULL);
3392 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3393 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3394 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3395 DRM_MODE_ENCODER_DAC, NULL);
3396 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3397 } else {
3398 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3399 DRM_MODE_ENCODER_TMDS, NULL);
3400 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3401 }
3402 drm_encoder_helper_add(encoder, &dce_v6_0_dig_helper_funcs);
3403 break;
3404 case ENCODER_OBJECT_ID_SI170B:
3405 case ENCODER_OBJECT_ID_CH7303:
3406 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3407 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3408 case ENCODER_OBJECT_ID_TITFP513:
3409 case ENCODER_OBJECT_ID_VT1623:
3410 case ENCODER_OBJECT_ID_HDMI_SI1930:
3411 case ENCODER_OBJECT_ID_TRAVIS:
3412 case ENCODER_OBJECT_ID_NUTMEG:
3413 /* these are handled by the primary encoders */
3414 amdgpu_encoder->is_ext_encoder = true;
3415 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3416 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3417 DRM_MODE_ENCODER_LVDS, NULL);
3418 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3419 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3420 DRM_MODE_ENCODER_DAC, NULL);
3421 else
3422 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3423 DRM_MODE_ENCODER_TMDS, NULL);
3424 drm_encoder_helper_add(encoder, &dce_v6_0_ext_helper_funcs);
3425 break;
3426 }
3427}
3428
3429static const struct amdgpu_display_funcs dce_v6_0_display_funcs = {
3430 .bandwidth_update = &dce_v6_0_bandwidth_update,
3431 .vblank_get_counter = &dce_v6_0_vblank_get_counter,
3432 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3433 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3434 .hpd_sense = &dce_v6_0_hpd_sense,
3435 .hpd_set_polarity = &dce_v6_0_hpd_set_polarity,
3436 .hpd_get_gpio_reg = &dce_v6_0_hpd_get_gpio_reg,
3437 .page_flip = &dce_v6_0_page_flip,
3438 .page_flip_get_scanoutpos = &dce_v6_0_crtc_get_scanoutpos,
3439 .add_encoder = &dce_v6_0_encoder_add,
3440 .add_connector = &amdgpu_connector_add,
3441};
3442
3443static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev)
3444{
3445 adev->mode_info.funcs = &dce_v6_0_display_funcs;
3446}
3447
3448static const struct amdgpu_irq_src_funcs dce_v6_0_crtc_irq_funcs = {
3449 .set = dce_v6_0_set_crtc_interrupt_state,
3450 .process = dce_v6_0_crtc_irq,
3451};
3452
3453static const struct amdgpu_irq_src_funcs dce_v6_0_pageflip_irq_funcs = {
3454 .set = dce_v6_0_set_pageflip_interrupt_state,
3455 .process = dce_v6_0_pageflip_irq,
3456};
3457
3458static const struct amdgpu_irq_src_funcs dce_v6_0_hpd_irq_funcs = {
3459 .set = dce_v6_0_set_hpd_interrupt_state,
3460 .process = dce_v6_0_hpd_irq,
3461};
3462
3463static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev)
3464{
3465 if (adev->mode_info.num_crtc > 0)
3466 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3467 else
3468 adev->crtc_irq.num_types = 0;
3469 adev->crtc_irq.funcs = &dce_v6_0_crtc_irq_funcs;
3470
3471 adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3472 adev->pageflip_irq.funcs = &dce_v6_0_pageflip_irq_funcs;
3473
3474 adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3475 adev->hpd_irq.funcs = &dce_v6_0_hpd_irq_funcs;
3476}
3477
3478const struct amdgpu_ip_block_version dce_v6_0_ip_block =
3479{
3480 .type = AMD_IP_BLOCK_TYPE_DCE,
3481 .major = 6,
3482 .minor = 0,
3483 .rev = 0,
3484 .funcs = &dce_v6_0_ip_funcs,
3485};
3486
3487const struct amdgpu_ip_block_version dce_v6_4_ip_block =
3488{
3489 .type = AMD_IP_BLOCK_TYPE_DCE,
3490 .major = 6,
3491 .minor = 4,
3492 .rev = 0,
3493 .funcs = &dce_v6_0_ip_funcs,
3494};