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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#include "drmP.h"
24#include "amdgpu.h"
25#include "amdgpu_pm.h"
26#include "amdgpu_i2c.h"
27#include "atom.h"
28#include "amdgpu_atombios.h"
29#include "atombios_crtc.h"
30#include "atombios_encoders.h"
31#include "amdgpu_pll.h"
32#include "amdgpu_connectors.h"
33
34#include "bif/bif_3_0_d.h"
35#include "bif/bif_3_0_sh_mask.h"
36#include "oss/oss_1_0_d.h"
37#include "oss/oss_1_0_sh_mask.h"
38#include "gca/gfx_6_0_d.h"
39#include "gca/gfx_6_0_sh_mask.h"
40#include "gmc/gmc_6_0_d.h"
41#include "gmc/gmc_6_0_sh_mask.h"
42#include "dce/dce_6_0_d.h"
43#include "dce/dce_6_0_sh_mask.h"
44#include "gca/gfx_7_2_enum.h"
45#include "si_enums.h"
46
47static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev);
48static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev);
49
50static const u32 crtc_offsets[6] =
51{
52 SI_CRTC0_REGISTER_OFFSET,
53 SI_CRTC1_REGISTER_OFFSET,
54 SI_CRTC2_REGISTER_OFFSET,
55 SI_CRTC3_REGISTER_OFFSET,
56 SI_CRTC4_REGISTER_OFFSET,
57 SI_CRTC5_REGISTER_OFFSET
58};
59
60static const u32 hpd_offsets[] =
61{
62 mmDC_HPD1_INT_STATUS - mmDC_HPD1_INT_STATUS,
63 mmDC_HPD2_INT_STATUS - mmDC_HPD1_INT_STATUS,
64 mmDC_HPD3_INT_STATUS - mmDC_HPD1_INT_STATUS,
65 mmDC_HPD4_INT_STATUS - mmDC_HPD1_INT_STATUS,
66 mmDC_HPD5_INT_STATUS - mmDC_HPD1_INT_STATUS,
67 mmDC_HPD6_INT_STATUS - mmDC_HPD1_INT_STATUS,
68};
69
70static const uint32_t dig_offsets[] = {
71 SI_CRTC0_REGISTER_OFFSET,
72 SI_CRTC1_REGISTER_OFFSET,
73 SI_CRTC2_REGISTER_OFFSET,
74 SI_CRTC3_REGISTER_OFFSET,
75 SI_CRTC4_REGISTER_OFFSET,
76 SI_CRTC5_REGISTER_OFFSET,
77 (0x13830 - 0x7030) >> 2,
78};
79
80static const struct {
81 uint32_t reg;
82 uint32_t vblank;
83 uint32_t vline;
84 uint32_t hpd;
85
86} interrupt_status_offsets[6] = { {
87 .reg = mmDISP_INTERRUPT_STATUS,
88 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
89 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
90 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
91}, {
92 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
93 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
94 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
95 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
96}, {
97 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
98 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
99 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
100 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
101}, {
102 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
103 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
104 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
105 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
106}, {
107 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
108 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
109 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
110 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
111}, {
112 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
113 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
114 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
115 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
116} };
117
118static u32 dce_v6_0_audio_endpt_rreg(struct amdgpu_device *adev,
119 u32 block_offset, u32 reg)
120{
121 DRM_INFO("xxxx: dce_v6_0_audio_endpt_rreg ----no impl!!!!\n");
122 return 0;
123}
124
125static void dce_v6_0_audio_endpt_wreg(struct amdgpu_device *adev,
126 u32 block_offset, u32 reg, u32 v)
127{
128 DRM_INFO("xxxx: dce_v6_0_audio_endpt_wreg ----no impl!!!!\n");
129}
130
131static bool dce_v6_0_is_in_vblank(struct amdgpu_device *adev, int crtc)
132{
133 if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) & CRTC_STATUS__CRTC_V_BLANK_MASK)
134 return true;
135 else
136 return false;
137}
138
139static bool dce_v6_0_is_counter_moving(struct amdgpu_device *adev, int crtc)
140{
141 u32 pos1, pos2;
142
143 pos1 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
144 pos2 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
145
146 if (pos1 != pos2)
147 return true;
148 else
149 return false;
150}
151
152/**
153 * dce_v6_0_wait_for_vblank - vblank wait asic callback.
154 *
155 * @crtc: crtc to wait for vblank on
156 *
157 * Wait for vblank on the requested crtc (evergreen+).
158 */
159static void dce_v6_0_vblank_wait(struct amdgpu_device *adev, int crtc)
160{
161 unsigned i = 100;
162
163 if (crtc >= adev->mode_info.num_crtc)
164 return;
165
166 if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK))
167 return;
168
169 /* depending on when we hit vblank, we may be close to active; if so,
170 * wait for another frame.
171 */
172 while (dce_v6_0_is_in_vblank(adev, crtc)) {
173 if (i++ == 100) {
174 i = 0;
175 if (!dce_v6_0_is_counter_moving(adev, crtc))
176 break;
177 }
178 }
179
180 while (!dce_v6_0_is_in_vblank(adev, crtc)) {
181 if (i++ == 100) {
182 i = 0;
183 if (!dce_v6_0_is_counter_moving(adev, crtc))
184 break;
185 }
186 }
187}
188
189static u32 dce_v6_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
190{
191 if (crtc >= adev->mode_info.num_crtc)
192 return 0;
193 else
194 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
195}
196
197static void dce_v6_0_pageflip_interrupt_init(struct amdgpu_device *adev)
198{
199 unsigned i;
200
201 /* Enable pflip interrupts */
202 for (i = 0; i < adev->mode_info.num_crtc; i++)
203 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
204}
205
206static void dce_v6_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
207{
208 unsigned i;
209
210 /* Disable pflip interrupts */
211 for (i = 0; i < adev->mode_info.num_crtc; i++)
212 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
213}
214
215/**
216 * dce_v6_0_page_flip - pageflip callback.
217 *
218 * @adev: amdgpu_device pointer
219 * @crtc_id: crtc to cleanup pageflip on
220 * @crtc_base: new address of the crtc (GPU MC address)
221 *
222 * Does the actual pageflip (evergreen+).
223 * During vblank we take the crtc lock and wait for the update_pending
224 * bit to go high, when it does, we release the lock, and allow the
225 * double buffered update to take place.
226 * Returns the current update pending status.
227 */
228static void dce_v6_0_page_flip(struct amdgpu_device *adev,
229 int crtc_id, u64 crtc_base, bool async)
230{
231 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
232
233 /* flip at hsync for async, default is vsync */
234 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
235 GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
236 /* update the scanout addresses */
237 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
238 upper_32_bits(crtc_base));
239 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
240 (u32)crtc_base);
241
242 /* post the write */
243 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
244}
245
246static int dce_v6_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
247 u32 *vbl, u32 *position)
248{
249 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
250 return -EINVAL;
251 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
252 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
253
254 return 0;
255
256}
257
258/**
259 * dce_v6_0_hpd_sense - hpd sense callback.
260 *
261 * @adev: amdgpu_device pointer
262 * @hpd: hpd (hotplug detect) pin
263 *
264 * Checks if a digital monitor is connected (evergreen+).
265 * Returns true if connected, false if not connected.
266 */
267static bool dce_v6_0_hpd_sense(struct amdgpu_device *adev,
268 enum amdgpu_hpd_id hpd)
269{
270 bool connected = false;
271
272 if (hpd >= adev->mode_info.num_hpd)
273 return connected;
274
275 if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) & DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
276 connected = true;
277
278 return connected;
279}
280
281/**
282 * dce_v6_0_hpd_set_polarity - hpd set polarity callback.
283 *
284 * @adev: amdgpu_device pointer
285 * @hpd: hpd (hotplug detect) pin
286 *
287 * Set the polarity of the hpd pin (evergreen+).
288 */
289static void dce_v6_0_hpd_set_polarity(struct amdgpu_device *adev,
290 enum amdgpu_hpd_id hpd)
291{
292 u32 tmp;
293 bool connected = dce_v6_0_hpd_sense(adev, hpd);
294
295 if (hpd >= adev->mode_info.num_hpd)
296 return;
297
298 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
299 if (connected)
300 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
301 else
302 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
303 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
304}
305
306/**
307 * dce_v6_0_hpd_init - hpd setup callback.
308 *
309 * @adev: amdgpu_device pointer
310 *
311 * Setup the hpd pins used by the card (evergreen+).
312 * Enable the pin, set the polarity, and enable the hpd interrupts.
313 */
314static void dce_v6_0_hpd_init(struct amdgpu_device *adev)
315{
316 struct drm_device *dev = adev->ddev;
317 struct drm_connector *connector;
318 u32 tmp;
319
320 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
321 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
322
323 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
324 continue;
325
326 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
327 tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
328 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
329
330 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
331 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
332 /* don't try to enable hpd on eDP or LVDS avoid breaking the
333 * aux dp channel on imac and help (but not completely fix)
334 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
335 * also avoid interrupt storms during dpms.
336 */
337 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
338 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
339 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
340 continue;
341 }
342
343 dce_v6_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
344 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
345 }
346
347}
348
349/**
350 * dce_v6_0_hpd_fini - hpd tear down callback.
351 *
352 * @adev: amdgpu_device pointer
353 *
354 * Tear down the hpd pins used by the card (evergreen+).
355 * Disable the hpd interrupts.
356 */
357static void dce_v6_0_hpd_fini(struct amdgpu_device *adev)
358{
359 struct drm_device *dev = adev->ddev;
360 struct drm_connector *connector;
361 u32 tmp;
362
363 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
364 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
365
366 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
367 continue;
368
369 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
370 tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
371 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], 0);
372
373 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
374 }
375}
376
377static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
378{
379 return mmDC_GPIO_HPD_A;
380}
381
382static u32 evergreen_get_vblank_counter(struct amdgpu_device* adev, int crtc)
383{
384 if (crtc >= adev->mode_info.num_crtc)
385 return 0;
386 else
387 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
388}
389
390static void dce_v6_0_stop_mc_access(struct amdgpu_device *adev,
391 struct amdgpu_mode_mc_save *save)
392{
393 u32 crtc_enabled, tmp, frame_count;
394 int i, j;
395
396 save->vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
397 save->vga_hdp_control = RREG32(mmVGA_HDP_CONTROL);
398
399 /* disable VGA render */
400 WREG32(mmVGA_RENDER_CONTROL, 0);
401
402 /* blank the display controllers */
403 for (i = 0; i < adev->mode_info.num_crtc; i++) {
404 crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK;
405 if (crtc_enabled) {
406 save->crtc_enabled[i] = true;
407 tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
408
409 if (!(tmp & CRTC_BLANK_CONTROL__CRTC_BLANK_DATA_EN_MASK)) {
410 dce_v6_0_vblank_wait(adev, i);
411 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
412 tmp |= CRTC_BLANK_CONTROL__CRTC_BLANK_DATA_EN_MASK;
413 WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
414 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
415 }
416 /* wait for the next frame */
417 frame_count = evergreen_get_vblank_counter(adev, i);
418 for (j = 0; j < adev->usec_timeout; j++) {
419 if (evergreen_get_vblank_counter(adev, i) != frame_count)
420 break;
421 udelay(1);
422 }
423
424 /* XXX this is a hack to avoid strange behavior with EFI on certain systems */
425 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
426 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
427 tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
428 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
429 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
430 save->crtc_enabled[i] = false;
431 /* ***** */
432 } else {
433 save->crtc_enabled[i] = false;
434 }
435 }
436}
437
438static void dce_v6_0_resume_mc_access(struct amdgpu_device *adev,
439 struct amdgpu_mode_mc_save *save)
440{
441 u32 tmp;
442 int i, j;
443
444 /* update crtc base addresses */
445 for (i = 0; i < adev->mode_info.num_crtc; i++) {
446 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
447 upper_32_bits(adev->mc.vram_start));
448 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
449 upper_32_bits(adev->mc.vram_start));
450 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
451 (u32)adev->mc.vram_start);
452 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
453 (u32)adev->mc.vram_start);
454 }
455
456 WREG32(mmVGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(adev->mc.vram_start));
457 WREG32(mmVGA_MEMORY_BASE_ADDRESS, (u32)adev->mc.vram_start);
458
459 /* unlock regs and wait for update */
460 for (i = 0; i < adev->mode_info.num_crtc; i++) {
461 if (save->crtc_enabled[i]) {
462 tmp = RREG32(mmMASTER_UPDATE_MODE + crtc_offsets[i]);
463 if ((tmp & 0x7) != 0) {
464 tmp &= ~0x7;
465 WREG32(mmMASTER_UPDATE_MODE + crtc_offsets[i], tmp);
466 }
467 tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
468 if (tmp & GRPH_UPDATE__GRPH_UPDATE_LOCK_MASK) {
469 tmp &= ~GRPH_UPDATE__GRPH_UPDATE_LOCK_MASK;
470 WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
471 }
472 tmp = RREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i]);
473 if (tmp & 1) {
474 tmp &= ~1;
475 WREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
476 }
477 for (j = 0; j < adev->usec_timeout; j++) {
478 tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
479 if ((tmp & GRPH_UPDATE__GRPH_SURFACE_UPDATE_PENDING_MASK) == 0)
480 break;
481 udelay(1);
482 }
483 }
484 }
485
486 /* Unlock vga access */
487 WREG32(mmVGA_HDP_CONTROL, save->vga_hdp_control);
488 mdelay(1);
489 WREG32(mmVGA_RENDER_CONTROL, save->vga_render_control);
490
491}
492
493static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev,
494 bool render)
495{
496 if (!render)
497 WREG32(mmVGA_RENDER_CONTROL,
498 RREG32(mmVGA_RENDER_CONTROL) & VGA_VSTATUS_CNTL);
499
500}
501
502static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev)
503{
504 int num_crtc = 0;
505
506 switch (adev->asic_type) {
507 case CHIP_TAHITI:
508 case CHIP_PITCAIRN:
509 case CHIP_VERDE:
510 num_crtc = 6;
511 break;
512 case CHIP_OLAND:
513 num_crtc = 2;
514 break;
515 default:
516 num_crtc = 0;
517 }
518 return num_crtc;
519}
520
521void dce_v6_0_disable_dce(struct amdgpu_device *adev)
522{
523 /*Disable VGA render and enabled crtc, if has DCE engine*/
524 if (amdgpu_atombios_has_dce_engine_info(adev)) {
525 u32 tmp;
526 int crtc_enabled, i;
527
528 dce_v6_0_set_vga_render_state(adev, false);
529
530 /*Disable crtc*/
531 for (i = 0; i < dce_v6_0_get_num_crtc(adev); i++) {
532 crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) &
533 CRTC_CONTROL__CRTC_MASTER_EN_MASK;
534 if (crtc_enabled) {
535 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
536 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
537 tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
538 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
539 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
540 }
541 }
542 }
543}
544
545static void dce_v6_0_program_fmt(struct drm_encoder *encoder)
546{
547
548 struct drm_device *dev = encoder->dev;
549 struct amdgpu_device *adev = dev->dev_private;
550 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
551 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
552 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
553 int bpc = 0;
554 u32 tmp = 0;
555 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
556
557 if (connector) {
558 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
559 bpc = amdgpu_connector_get_monitor_bpc(connector);
560 dither = amdgpu_connector->dither;
561 }
562
563 /* LVDS FMT is set up by atom */
564 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
565 return;
566
567 if (bpc == 0)
568 return;
569
570
571 switch (bpc) {
572 case 6:
573 if (dither == AMDGPU_FMT_DITHER_ENABLE)
574 /* XXX sort out optimal dither settings */
575 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
576 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
577 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK);
578 else
579 tmp |= FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK;
580 break;
581 case 8:
582 if (dither == AMDGPU_FMT_DITHER_ENABLE)
583 /* XXX sort out optimal dither settings */
584 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
585 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
586 FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
587 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
588 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH_MASK);
589 else
590 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
591 FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH_MASK);
592 break;
593 case 10:
594 default:
595 /* not needed */
596 break;
597 }
598
599 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
600}
601
602/**
603 * cik_get_number_of_dram_channels - get the number of dram channels
604 *
605 * @adev: amdgpu_device pointer
606 *
607 * Look up the number of video ram channels (CIK).
608 * Used for display watermark bandwidth calculations
609 * Returns the number of dram channels
610 */
611static u32 si_get_number_of_dram_channels(struct amdgpu_device *adev)
612{
613 u32 tmp = RREG32(mmMC_SHARED_CHMAP);
614
615 switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
616 case 0:
617 default:
618 return 1;
619 case 1:
620 return 2;
621 case 2:
622 return 4;
623 case 3:
624 return 8;
625 case 4:
626 return 3;
627 case 5:
628 return 6;
629 case 6:
630 return 10;
631 case 7:
632 return 12;
633 case 8:
634 return 16;
635 }
636}
637
638struct dce6_wm_params {
639 u32 dram_channels; /* number of dram channels */
640 u32 yclk; /* bandwidth per dram data pin in kHz */
641 u32 sclk; /* engine clock in kHz */
642 u32 disp_clk; /* display clock in kHz */
643 u32 src_width; /* viewport width */
644 u32 active_time; /* active display time in ns */
645 u32 blank_time; /* blank time in ns */
646 bool interlaced; /* mode is interlaced */
647 fixed20_12 vsc; /* vertical scale ratio */
648 u32 num_heads; /* number of active crtcs */
649 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
650 u32 lb_size; /* line buffer allocated to pipe */
651 u32 vtaps; /* vertical scaler taps */
652};
653
654/**
655 * dce_v6_0_dram_bandwidth - get the dram bandwidth
656 *
657 * @wm: watermark calculation data
658 *
659 * Calculate the raw dram bandwidth (CIK).
660 * Used for display watermark bandwidth calculations
661 * Returns the dram bandwidth in MBytes/s
662 */
663static u32 dce_v6_0_dram_bandwidth(struct dce6_wm_params *wm)
664{
665 /* Calculate raw DRAM Bandwidth */
666 fixed20_12 dram_efficiency; /* 0.7 */
667 fixed20_12 yclk, dram_channels, bandwidth;
668 fixed20_12 a;
669
670 a.full = dfixed_const(1000);
671 yclk.full = dfixed_const(wm->yclk);
672 yclk.full = dfixed_div(yclk, a);
673 dram_channels.full = dfixed_const(wm->dram_channels * 4);
674 a.full = dfixed_const(10);
675 dram_efficiency.full = dfixed_const(7);
676 dram_efficiency.full = dfixed_div(dram_efficiency, a);
677 bandwidth.full = dfixed_mul(dram_channels, yclk);
678 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
679
680 return dfixed_trunc(bandwidth);
681}
682
683/**
684 * dce_v6_0_dram_bandwidth_for_display - get the dram bandwidth for display
685 *
686 * @wm: watermark calculation data
687 *
688 * Calculate the dram bandwidth used for display (CIK).
689 * Used for display watermark bandwidth calculations
690 * Returns the dram bandwidth for display in MBytes/s
691 */
692static u32 dce_v6_0_dram_bandwidth_for_display(struct dce6_wm_params *wm)
693{
694 /* Calculate DRAM Bandwidth and the part allocated to display. */
695 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
696 fixed20_12 yclk, dram_channels, bandwidth;
697 fixed20_12 a;
698
699 a.full = dfixed_const(1000);
700 yclk.full = dfixed_const(wm->yclk);
701 yclk.full = dfixed_div(yclk, a);
702 dram_channels.full = dfixed_const(wm->dram_channels * 4);
703 a.full = dfixed_const(10);
704 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
705 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
706 bandwidth.full = dfixed_mul(dram_channels, yclk);
707 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
708
709 return dfixed_trunc(bandwidth);
710}
711
712/**
713 * dce_v6_0_data_return_bandwidth - get the data return bandwidth
714 *
715 * @wm: watermark calculation data
716 *
717 * Calculate the data return bandwidth used for display (CIK).
718 * Used for display watermark bandwidth calculations
719 * Returns the data return bandwidth in MBytes/s
720 */
721static u32 dce_v6_0_data_return_bandwidth(struct dce6_wm_params *wm)
722{
723 /* Calculate the display Data return Bandwidth */
724 fixed20_12 return_efficiency; /* 0.8 */
725 fixed20_12 sclk, bandwidth;
726 fixed20_12 a;
727
728 a.full = dfixed_const(1000);
729 sclk.full = dfixed_const(wm->sclk);
730 sclk.full = dfixed_div(sclk, a);
731 a.full = dfixed_const(10);
732 return_efficiency.full = dfixed_const(8);
733 return_efficiency.full = dfixed_div(return_efficiency, a);
734 a.full = dfixed_const(32);
735 bandwidth.full = dfixed_mul(a, sclk);
736 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
737
738 return dfixed_trunc(bandwidth);
739}
740
741/**
742 * dce_v6_0_dmif_request_bandwidth - get the dmif bandwidth
743 *
744 * @wm: watermark calculation data
745 *
746 * Calculate the dmif bandwidth used for display (CIK).
747 * Used for display watermark bandwidth calculations
748 * Returns the dmif bandwidth in MBytes/s
749 */
750static u32 dce_v6_0_dmif_request_bandwidth(struct dce6_wm_params *wm)
751{
752 /* Calculate the DMIF Request Bandwidth */
753 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
754 fixed20_12 disp_clk, bandwidth;
755 fixed20_12 a, b;
756
757 a.full = dfixed_const(1000);
758 disp_clk.full = dfixed_const(wm->disp_clk);
759 disp_clk.full = dfixed_div(disp_clk, a);
760 a.full = dfixed_const(32);
761 b.full = dfixed_mul(a, disp_clk);
762
763 a.full = dfixed_const(10);
764 disp_clk_request_efficiency.full = dfixed_const(8);
765 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
766
767 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
768
769 return dfixed_trunc(bandwidth);
770}
771
772/**
773 * dce_v6_0_available_bandwidth - get the min available bandwidth
774 *
775 * @wm: watermark calculation data
776 *
777 * Calculate the min available bandwidth used for display (CIK).
778 * Used for display watermark bandwidth calculations
779 * Returns the min available bandwidth in MBytes/s
780 */
781static u32 dce_v6_0_available_bandwidth(struct dce6_wm_params *wm)
782{
783 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
784 u32 dram_bandwidth = dce_v6_0_dram_bandwidth(wm);
785 u32 data_return_bandwidth = dce_v6_0_data_return_bandwidth(wm);
786 u32 dmif_req_bandwidth = dce_v6_0_dmif_request_bandwidth(wm);
787
788 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
789}
790
791/**
792 * dce_v6_0_average_bandwidth - get the average available bandwidth
793 *
794 * @wm: watermark calculation data
795 *
796 * Calculate the average available bandwidth used for display (CIK).
797 * Used for display watermark bandwidth calculations
798 * Returns the average available bandwidth in MBytes/s
799 */
800static u32 dce_v6_0_average_bandwidth(struct dce6_wm_params *wm)
801{
802 /* Calculate the display mode Average Bandwidth
803 * DisplayMode should contain the source and destination dimensions,
804 * timing, etc.
805 */
806 fixed20_12 bpp;
807 fixed20_12 line_time;
808 fixed20_12 src_width;
809 fixed20_12 bandwidth;
810 fixed20_12 a;
811
812 a.full = dfixed_const(1000);
813 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
814 line_time.full = dfixed_div(line_time, a);
815 bpp.full = dfixed_const(wm->bytes_per_pixel);
816 src_width.full = dfixed_const(wm->src_width);
817 bandwidth.full = dfixed_mul(src_width, bpp);
818 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
819 bandwidth.full = dfixed_div(bandwidth, line_time);
820
821 return dfixed_trunc(bandwidth);
822}
823
824/**
825 * dce_v6_0_latency_watermark - get the latency watermark
826 *
827 * @wm: watermark calculation data
828 *
829 * Calculate the latency watermark (CIK).
830 * Used for display watermark bandwidth calculations
831 * Returns the latency watermark in ns
832 */
833static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
834{
835 /* First calculate the latency in ns */
836 u32 mc_latency = 2000; /* 2000 ns. */
837 u32 available_bandwidth = dce_v6_0_available_bandwidth(wm);
838 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
839 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
840 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
841 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
842 (wm->num_heads * cursor_line_pair_return_time);
843 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
844 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
845 u32 tmp, dmif_size = 12288;
846 fixed20_12 a, b, c;
847
848 if (wm->num_heads == 0)
849 return 0;
850
851 a.full = dfixed_const(2);
852 b.full = dfixed_const(1);
853 if ((wm->vsc.full > a.full) ||
854 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
855 (wm->vtaps >= 5) ||
856 ((wm->vsc.full >= a.full) && wm->interlaced))
857 max_src_lines_per_dst_line = 4;
858 else
859 max_src_lines_per_dst_line = 2;
860
861 a.full = dfixed_const(available_bandwidth);
862 b.full = dfixed_const(wm->num_heads);
863 a.full = dfixed_div(a, b);
864
865 b.full = dfixed_const(mc_latency + 512);
866 c.full = dfixed_const(wm->disp_clk);
867 b.full = dfixed_div(b, c);
868
869 c.full = dfixed_const(dmif_size);
870 b.full = dfixed_div(c, b);
871
872 tmp = min(dfixed_trunc(a), dfixed_trunc(b));
873
874 b.full = dfixed_const(1000);
875 c.full = dfixed_const(wm->disp_clk);
876 b.full = dfixed_div(c, b);
877 c.full = dfixed_const(wm->bytes_per_pixel);
878 b.full = dfixed_mul(b, c);
879
880 lb_fill_bw = min(tmp, dfixed_trunc(b));
881
882 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
883 b.full = dfixed_const(1000);
884 c.full = dfixed_const(lb_fill_bw);
885 b.full = dfixed_div(c, b);
886 a.full = dfixed_div(a, b);
887 line_fill_time = dfixed_trunc(a);
888
889 if (line_fill_time < wm->active_time)
890 return latency;
891 else
892 return latency + (line_fill_time - wm->active_time);
893
894}
895
896/**
897 * dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display - check
898 * average and available dram bandwidth
899 *
900 * @wm: watermark calculation data
901 *
902 * Check if the display average bandwidth fits in the display
903 * dram bandwidth (CIK).
904 * Used for display watermark bandwidth calculations
905 * Returns true if the display fits, false if not.
906 */
907static bool dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
908{
909 if (dce_v6_0_average_bandwidth(wm) <=
910 (dce_v6_0_dram_bandwidth_for_display(wm) / wm->num_heads))
911 return true;
912 else
913 return false;
914}
915
916/**
917 * dce_v6_0_average_bandwidth_vs_available_bandwidth - check
918 * average and available bandwidth
919 *
920 * @wm: watermark calculation data
921 *
922 * Check if the display average bandwidth fits in the display
923 * available bandwidth (CIK).
924 * Used for display watermark bandwidth calculations
925 * Returns true if the display fits, false if not.
926 */
927static bool dce_v6_0_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
928{
929 if (dce_v6_0_average_bandwidth(wm) <=
930 (dce_v6_0_available_bandwidth(wm) / wm->num_heads))
931 return true;
932 else
933 return false;
934}
935
936/**
937 * dce_v6_0_check_latency_hiding - check latency hiding
938 *
939 * @wm: watermark calculation data
940 *
941 * Check latency hiding (CIK).
942 * Used for display watermark bandwidth calculations
943 * Returns true if the display fits, false if not.
944 */
945static bool dce_v6_0_check_latency_hiding(struct dce6_wm_params *wm)
946{
947 u32 lb_partitions = wm->lb_size / wm->src_width;
948 u32 line_time = wm->active_time + wm->blank_time;
949 u32 latency_tolerant_lines;
950 u32 latency_hiding;
951 fixed20_12 a;
952
953 a.full = dfixed_const(1);
954 if (wm->vsc.full > a.full)
955 latency_tolerant_lines = 1;
956 else {
957 if (lb_partitions <= (wm->vtaps + 1))
958 latency_tolerant_lines = 1;
959 else
960 latency_tolerant_lines = 2;
961 }
962
963 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
964
965 if (dce_v6_0_latency_watermark(wm) <= latency_hiding)
966 return true;
967 else
968 return false;
969}
970
971/**
972 * dce_v6_0_program_watermarks - program display watermarks
973 *
974 * @adev: amdgpu_device pointer
975 * @amdgpu_crtc: the selected display controller
976 * @lb_size: line buffer size
977 * @num_heads: number of display controllers in use
978 *
979 * Calculate and program the display watermarks for the
980 * selected display controller (CIK).
981 */
982static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
983 struct amdgpu_crtc *amdgpu_crtc,
984 u32 lb_size, u32 num_heads)
985{
986 struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
987 struct dce6_wm_params wm_low, wm_high;
988 u32 dram_channels;
989 u32 pixel_period;
990 u32 line_time = 0;
991 u32 latency_watermark_a = 0, latency_watermark_b = 0;
992 u32 priority_a_mark = 0, priority_b_mark = 0;
993 u32 priority_a_cnt = PRIORITY_OFF;
994 u32 priority_b_cnt = PRIORITY_OFF;
995 u32 tmp, arb_control3;
996 fixed20_12 a, b, c;
997
998 if (amdgpu_crtc->base.enabled && num_heads && mode) {
999 pixel_period = 1000000 / (u32)mode->clock;
1000 line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
1001 priority_a_cnt = 0;
1002 priority_b_cnt = 0;
1003
1004 dram_channels = si_get_number_of_dram_channels(adev);
1005
1006 /* watermark for high clocks */
1007 if (adev->pm.dpm_enabled) {
1008 wm_high.yclk =
1009 amdgpu_dpm_get_mclk(adev, false) * 10;
1010 wm_high.sclk =
1011 amdgpu_dpm_get_sclk(adev, false) * 10;
1012 } else {
1013 wm_high.yclk = adev->pm.current_mclk * 10;
1014 wm_high.sclk = adev->pm.current_sclk * 10;
1015 }
1016
1017 wm_high.disp_clk = mode->clock;
1018 wm_high.src_width = mode->crtc_hdisplay;
1019 wm_high.active_time = mode->crtc_hdisplay * pixel_period;
1020 wm_high.blank_time = line_time - wm_high.active_time;
1021 wm_high.interlaced = false;
1022 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1023 wm_high.interlaced = true;
1024 wm_high.vsc = amdgpu_crtc->vsc;
1025 wm_high.vtaps = 1;
1026 if (amdgpu_crtc->rmx_type != RMX_OFF)
1027 wm_high.vtaps = 2;
1028 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1029 wm_high.lb_size = lb_size;
1030 wm_high.dram_channels = dram_channels;
1031 wm_high.num_heads = num_heads;
1032
1033 if (adev->pm.dpm_enabled) {
1034 /* watermark for low clocks */
1035 wm_low.yclk =
1036 amdgpu_dpm_get_mclk(adev, true) * 10;
1037 wm_low.sclk =
1038 amdgpu_dpm_get_sclk(adev, true) * 10;
1039 } else {
1040 wm_low.yclk = adev->pm.current_mclk * 10;
1041 wm_low.sclk = adev->pm.current_sclk * 10;
1042 }
1043
1044 wm_low.disp_clk = mode->clock;
1045 wm_low.src_width = mode->crtc_hdisplay;
1046 wm_low.active_time = mode->crtc_hdisplay * pixel_period;
1047 wm_low.blank_time = line_time - wm_low.active_time;
1048 wm_low.interlaced = false;
1049 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1050 wm_low.interlaced = true;
1051 wm_low.vsc = amdgpu_crtc->vsc;
1052 wm_low.vtaps = 1;
1053 if (amdgpu_crtc->rmx_type != RMX_OFF)
1054 wm_low.vtaps = 2;
1055 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1056 wm_low.lb_size = lb_size;
1057 wm_low.dram_channels = dram_channels;
1058 wm_low.num_heads = num_heads;
1059
1060 /* set for high clocks */
1061 latency_watermark_a = min(dce_v6_0_latency_watermark(&wm_high), (u32)65535);
1062 /* set for low clocks */
1063 latency_watermark_b = min(dce_v6_0_latency_watermark(&wm_low), (u32)65535);
1064
1065 /* possibly force display priority to high */
1066 /* should really do this at mode validation time... */
1067 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1068 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1069 !dce_v6_0_check_latency_hiding(&wm_high) ||
1070 (adev->mode_info.disp_priority == 2)) {
1071 DRM_DEBUG_KMS("force priority to high\n");
1072 priority_a_cnt |= PRIORITY_ALWAYS_ON;
1073 priority_b_cnt |= PRIORITY_ALWAYS_ON;
1074 }
1075 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1076 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1077 !dce_v6_0_check_latency_hiding(&wm_low) ||
1078 (adev->mode_info.disp_priority == 2)) {
1079 DRM_DEBUG_KMS("force priority to high\n");
1080 priority_a_cnt |= PRIORITY_ALWAYS_ON;
1081 priority_b_cnt |= PRIORITY_ALWAYS_ON;
1082 }
1083
1084 a.full = dfixed_const(1000);
1085 b.full = dfixed_const(mode->clock);
1086 b.full = dfixed_div(b, a);
1087 c.full = dfixed_const(latency_watermark_a);
1088 c.full = dfixed_mul(c, b);
1089 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
1090 c.full = dfixed_div(c, a);
1091 a.full = dfixed_const(16);
1092 c.full = dfixed_div(c, a);
1093 priority_a_mark = dfixed_trunc(c);
1094 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
1095
1096 a.full = dfixed_const(1000);
1097 b.full = dfixed_const(mode->clock);
1098 b.full = dfixed_div(b, a);
1099 c.full = dfixed_const(latency_watermark_b);
1100 c.full = dfixed_mul(c, b);
1101 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
1102 c.full = dfixed_div(c, a);
1103 a.full = dfixed_const(16);
1104 c.full = dfixed_div(c, a);
1105 priority_b_mark = dfixed_trunc(c);
1106 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
1107 }
1108
1109 /* select wm A */
1110 arb_control3 = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
1111 tmp = arb_control3;
1112 tmp &= ~LATENCY_WATERMARK_MASK(3);
1113 tmp |= LATENCY_WATERMARK_MASK(1);
1114 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
1115 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
1116 ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
1117 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
1118 /* select wm B */
1119 tmp = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
1120 tmp &= ~LATENCY_WATERMARK_MASK(3);
1121 tmp |= LATENCY_WATERMARK_MASK(2);
1122 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
1123 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
1124 ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
1125 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
1126 /* restore original selection */
1127 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, arb_control3);
1128
1129 /* write the priority marks */
1130 WREG32(mmPRIORITY_A_CNT + amdgpu_crtc->crtc_offset, priority_a_cnt);
1131 WREG32(mmPRIORITY_B_CNT + amdgpu_crtc->crtc_offset, priority_b_cnt);
1132
1133 /* save values for DPM */
1134 amdgpu_crtc->line_time = line_time;
1135 amdgpu_crtc->wm_high = latency_watermark_a;
1136}
1137
1138/* watermark setup */
1139static u32 dce_v6_0_line_buffer_adjust(struct amdgpu_device *adev,
1140 struct amdgpu_crtc *amdgpu_crtc,
1141 struct drm_display_mode *mode,
1142 struct drm_display_mode *other_mode)
1143{
1144 u32 tmp, buffer_alloc, i;
1145 u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
1146 /*
1147 * Line Buffer Setup
1148 * There are 3 line buffers, each one shared by 2 display controllers.
1149 * mmDC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1150 * the display controllers. The paritioning is done via one of four
1151 * preset allocations specified in bits 21:20:
1152 * 0 - half lb
1153 * 2 - whole lb, other crtc must be disabled
1154 */
1155 /* this can get tricky if we have two large displays on a paired group
1156 * of crtcs. Ideally for multiple large displays we'd assign them to
1157 * non-linked crtcs for maximum line buffer allocation.
1158 */
1159 if (amdgpu_crtc->base.enabled && mode) {
1160 if (other_mode) {
1161 tmp = 0; /* 1/2 */
1162 buffer_alloc = 1;
1163 } else {
1164 tmp = 2; /* whole */
1165 buffer_alloc = 2;
1166 }
1167 } else {
1168 tmp = 0;
1169 buffer_alloc = 0;
1170 }
1171
1172 WREG32(mmDC_LB_MEMORY_SPLIT + amdgpu_crtc->crtc_offset,
1173 DC_LB_MEMORY_CONFIG(tmp));
1174
1175 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1176 (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
1177 for (i = 0; i < adev->usec_timeout; i++) {
1178 if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1179 PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
1180 break;
1181 udelay(1);
1182 }
1183
1184 if (amdgpu_crtc->base.enabled && mode) {
1185 switch (tmp) {
1186 case 0:
1187 default:
1188 return 4096 * 2;
1189 case 2:
1190 return 8192 * 2;
1191 }
1192 }
1193
1194 /* controller not enabled, so no lb used */
1195 return 0;
1196}
1197
1198
1199/**
1200 *
1201 * dce_v6_0_bandwidth_update - program display watermarks
1202 *
1203 * @adev: amdgpu_device pointer
1204 *
1205 * Calculate and program the display watermarks and line
1206 * buffer allocation (CIK).
1207 */
1208static void dce_v6_0_bandwidth_update(struct amdgpu_device *adev)
1209{
1210 struct drm_display_mode *mode0 = NULL;
1211 struct drm_display_mode *mode1 = NULL;
1212 u32 num_heads = 0, lb_size;
1213 int i;
1214
1215 if (!adev->mode_info.mode_config_initialized)
1216 return;
1217
1218 amdgpu_update_display_priority(adev);
1219
1220 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1221 if (adev->mode_info.crtcs[i]->base.enabled)
1222 num_heads++;
1223 }
1224 for (i = 0; i < adev->mode_info.num_crtc; i += 2) {
1225 mode0 = &adev->mode_info.crtcs[i]->base.mode;
1226 mode1 = &adev->mode_info.crtcs[i+1]->base.mode;
1227 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode0, mode1);
1228 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i], lb_size, num_heads);
1229 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i+1], mode1, mode0);
1230 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i+1], lb_size, num_heads);
1231 }
1232}
1233/*
1234static void dce_v6_0_audio_get_connected_pins(struct amdgpu_device *adev)
1235{
1236 int i;
1237 u32 offset, tmp;
1238
1239 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1240 offset = adev->mode_info.audio.pin[i].offset;
1241 tmp = RREG32_AUDIO_ENDPT(offset,
1242 AZ_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1243 if (((tmp & PORT_CONNECTIVITY_MASK) >> PORT_CONNECTIVITY_SHIFT) == 1)
1244 adev->mode_info.audio.pin[i].connected = false;
1245 else
1246 adev->mode_info.audio.pin[i].connected = true;
1247 }
1248
1249}
1250
1251static struct amdgpu_audio_pin *dce_v6_0_audio_get_pin(struct amdgpu_device *adev)
1252{
1253 int i;
1254
1255 dce_v6_0_audio_get_connected_pins(adev);
1256
1257 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1258 if (adev->mode_info.audio.pin[i].connected)
1259 return &adev->mode_info.audio.pin[i];
1260 }
1261 DRM_ERROR("No connected audio pins found!\n");
1262 return NULL;
1263}
1264
1265static void dce_v6_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1266{
1267 struct amdgpu_device *adev = encoder->dev->dev_private;
1268 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1269 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1270 u32 offset;
1271
1272 if (!dig || !dig->afmt || !dig->afmt->pin)
1273 return;
1274
1275 offset = dig->afmt->offset;
1276
1277 WREG32(AFMT_AUDIO_SRC_CONTROL + offset,
1278 AFMT_AUDIO_SRC_SELECT(dig->afmt->pin->id));
1279
1280}
1281
1282static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder,
1283 struct drm_display_mode *mode)
1284{
1285 DRM_INFO("xxxx: dce_v6_0_audio_write_latency_fields---no imp!!!!!\n");
1286}
1287
1288static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1289{
1290 DRM_INFO("xxxx: dce_v6_0_audio_write_speaker_allocation---no imp!!!!!\n");
1291}
1292
1293static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder)
1294{
1295 DRM_INFO("xxxx: dce_v6_0_audio_write_sad_regs---no imp!!!!!\n");
1296
1297}
1298*/
1299static void dce_v6_0_audio_enable(struct amdgpu_device *adev,
1300 struct amdgpu_audio_pin *pin,
1301 bool enable)
1302{
1303 DRM_INFO("xxxx: dce_v6_0_audio_enable---no imp!!!!!\n");
1304}
1305
1306static const u32 pin_offsets[7] =
1307{
1308 (0x1780 - 0x1780),
1309 (0x1786 - 0x1780),
1310 (0x178c - 0x1780),
1311 (0x1792 - 0x1780),
1312 (0x1798 - 0x1780),
1313 (0x179d - 0x1780),
1314 (0x17a4 - 0x1780),
1315};
1316
1317static int dce_v6_0_audio_init(struct amdgpu_device *adev)
1318{
1319 return 0;
1320}
1321
1322static void dce_v6_0_audio_fini(struct amdgpu_device *adev)
1323{
1324
1325}
1326
1327/*
1328static void dce_v6_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1329{
1330 DRM_INFO("xxxx: dce_v6_0_afmt_update_ACR---no imp!!!!!\n");
1331}
1332*/
1333/*
1334 * build a HDMI Video Info Frame
1335 */
1336/*
1337static void dce_v6_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1338 void *buffer, size_t size)
1339{
1340 DRM_INFO("xxxx: dce_v6_0_afmt_update_avi_infoframe---no imp!!!!!\n");
1341}
1342
1343static void dce_v6_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1344{
1345 DRM_INFO("xxxx: dce_v6_0_audio_set_dto---no imp!!!!!\n");
1346}
1347*/
1348/*
1349 * update the info frames with the data from the current display mode
1350 */
1351static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder,
1352 struct drm_display_mode *mode)
1353{
1354 DRM_INFO("xxxx: dce_v6_0_afmt_setmode ----no impl !!!!!!!!\n");
1355}
1356
1357static void dce_v6_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1358{
1359 struct drm_device *dev = encoder->dev;
1360 struct amdgpu_device *adev = dev->dev_private;
1361 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1362 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1363
1364 if (!dig || !dig->afmt)
1365 return;
1366
1367 /* Silent, r600_hdmi_enable will raise WARN for us */
1368 if (enable && dig->afmt->enabled)
1369 return;
1370 if (!enable && !dig->afmt->enabled)
1371 return;
1372
1373 if (!enable && dig->afmt->pin) {
1374 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1375 dig->afmt->pin = NULL;
1376 }
1377
1378 dig->afmt->enabled = enable;
1379
1380 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1381 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1382}
1383
1384static int dce_v6_0_afmt_init(struct amdgpu_device *adev)
1385{
1386 int i, j;
1387
1388 for (i = 0; i < adev->mode_info.num_dig; i++)
1389 adev->mode_info.afmt[i] = NULL;
1390
1391 /* DCE6 has audio blocks tied to DIG encoders */
1392 for (i = 0; i < adev->mode_info.num_dig; i++) {
1393 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1394 if (adev->mode_info.afmt[i]) {
1395 adev->mode_info.afmt[i]->offset = dig_offsets[i];
1396 adev->mode_info.afmt[i]->id = i;
1397 } else {
1398 for (j = 0; j < i; j++) {
1399 kfree(adev->mode_info.afmt[j]);
1400 adev->mode_info.afmt[j] = NULL;
1401 }
1402 DRM_ERROR("Out of memory allocating afmt table\n");
1403 return -ENOMEM;
1404 }
1405 }
1406 return 0;
1407}
1408
1409static void dce_v6_0_afmt_fini(struct amdgpu_device *adev)
1410{
1411 int i;
1412
1413 for (i = 0; i < adev->mode_info.num_dig; i++) {
1414 kfree(adev->mode_info.afmt[i]);
1415 adev->mode_info.afmt[i] = NULL;
1416 }
1417}
1418
1419static const u32 vga_control_regs[6] =
1420{
1421 mmD1VGA_CONTROL,
1422 mmD2VGA_CONTROL,
1423 mmD3VGA_CONTROL,
1424 mmD4VGA_CONTROL,
1425 mmD5VGA_CONTROL,
1426 mmD6VGA_CONTROL,
1427};
1428
1429static void dce_v6_0_vga_enable(struct drm_crtc *crtc, bool enable)
1430{
1431 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1432 struct drm_device *dev = crtc->dev;
1433 struct amdgpu_device *adev = dev->dev_private;
1434 u32 vga_control;
1435
1436 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1437 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | (enable ? 1 : 0));
1438}
1439
1440static void dce_v6_0_grph_enable(struct drm_crtc *crtc, bool enable)
1441{
1442 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1443 struct drm_device *dev = crtc->dev;
1444 struct amdgpu_device *adev = dev->dev_private;
1445
1446 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, enable ? 1 : 0);
1447}
1448
1449static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
1450 struct drm_framebuffer *fb,
1451 int x, int y, int atomic)
1452{
1453 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1454 struct drm_device *dev = crtc->dev;
1455 struct amdgpu_device *adev = dev->dev_private;
1456 struct amdgpu_framebuffer *amdgpu_fb;
1457 struct drm_framebuffer *target_fb;
1458 struct drm_gem_object *obj;
1459 struct amdgpu_bo *abo;
1460 uint64_t fb_location, tiling_flags;
1461 uint32_t fb_format, fb_pitch_pixels, pipe_config;
1462 u32 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_NONE);
1463 u32 viewport_w, viewport_h;
1464 int r;
1465 bool bypass_lut = false;
1466 struct drm_format_name_buf format_name;
1467
1468 /* no fb bound */
1469 if (!atomic && !crtc->primary->fb) {
1470 DRM_DEBUG_KMS("No FB bound\n");
1471 return 0;
1472 }
1473
1474 if (atomic) {
1475 amdgpu_fb = to_amdgpu_framebuffer(fb);
1476 target_fb = fb;
1477 } else {
1478 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
1479 target_fb = crtc->primary->fb;
1480 }
1481
1482 /* If atomic, assume fb object is pinned & idle & fenced and
1483 * just update base pointers
1484 */
1485 obj = amdgpu_fb->obj;
1486 abo = gem_to_amdgpu_bo(obj);
1487 r = amdgpu_bo_reserve(abo, false);
1488 if (unlikely(r != 0))
1489 return r;
1490
1491 if (atomic) {
1492 fb_location = amdgpu_bo_gpu_offset(abo);
1493 } else {
1494 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location);
1495 if (unlikely(r != 0)) {
1496 amdgpu_bo_unreserve(abo);
1497 return -EINVAL;
1498 }
1499 }
1500
1501 amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1502 amdgpu_bo_unreserve(abo);
1503
1504 switch (target_fb->pixel_format) {
1505 case DRM_FORMAT_C8:
1506 fb_format = (GRPH_DEPTH(GRPH_DEPTH_8BPP) |
1507 GRPH_FORMAT(GRPH_FORMAT_INDEXED));
1508 break;
1509 case DRM_FORMAT_XRGB4444:
1510 case DRM_FORMAT_ARGB4444:
1511 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1512 GRPH_FORMAT(GRPH_FORMAT_ARGB4444));
1513#ifdef __BIG_ENDIAN
1514 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1515#endif
1516 break;
1517 case DRM_FORMAT_XRGB1555:
1518 case DRM_FORMAT_ARGB1555:
1519 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1520 GRPH_FORMAT(GRPH_FORMAT_ARGB1555));
1521#ifdef __BIG_ENDIAN
1522 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1523#endif
1524 break;
1525 case DRM_FORMAT_BGRX5551:
1526 case DRM_FORMAT_BGRA5551:
1527 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1528 GRPH_FORMAT(GRPH_FORMAT_BGRA5551));
1529#ifdef __BIG_ENDIAN
1530 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1531#endif
1532 break;
1533 case DRM_FORMAT_RGB565:
1534 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1535 GRPH_FORMAT(GRPH_FORMAT_ARGB565));
1536#ifdef __BIG_ENDIAN
1537 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1538#endif
1539 break;
1540 case DRM_FORMAT_XRGB8888:
1541 case DRM_FORMAT_ARGB8888:
1542 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1543 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1544#ifdef __BIG_ENDIAN
1545 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1546#endif
1547 break;
1548 case DRM_FORMAT_XRGB2101010:
1549 case DRM_FORMAT_ARGB2101010:
1550 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1551 GRPH_FORMAT(GRPH_FORMAT_ARGB2101010));
1552#ifdef __BIG_ENDIAN
1553 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1554#endif
1555 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1556 bypass_lut = true;
1557 break;
1558 case DRM_FORMAT_BGRX1010102:
1559 case DRM_FORMAT_BGRA1010102:
1560 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1561 GRPH_FORMAT(GRPH_FORMAT_BGRA1010102));
1562#ifdef __BIG_ENDIAN
1563 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1564#endif
1565 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1566 bypass_lut = true;
1567 break;
1568 default:
1569 DRM_ERROR("Unsupported screen format %s\n",
1570 drm_get_format_name(target_fb->pixel_format, &format_name));
1571 return -EINVAL;
1572 }
1573
1574 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1575 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1576
1577 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1578 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1579 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1580 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1581 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1582
1583 fb_format |= GRPH_NUM_BANKS(num_banks);
1584 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_2D_TILED_THIN1);
1585 fb_format |= GRPH_TILE_SPLIT(tile_split);
1586 fb_format |= GRPH_BANK_WIDTH(bankw);
1587 fb_format |= GRPH_BANK_HEIGHT(bankh);
1588 fb_format |= GRPH_MACRO_TILE_ASPECT(mtaspect);
1589 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1590 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_1D_TILED_THIN1);
1591 }
1592
1593 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1594 fb_format |= GRPH_PIPE_CONFIG(pipe_config);
1595
1596 dce_v6_0_vga_enable(crtc, false);
1597
1598 /* Make sure surface address is updated at vertical blank rather than
1599 * horizontal blank
1600 */
1601 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1602
1603 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1604 upper_32_bits(fb_location));
1605 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1606 upper_32_bits(fb_location));
1607 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1608 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1609 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1610 (u32) fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1611 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1612 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1613
1614 /*
1615 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1616 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1617 * retain the full precision throughout the pipeline.
1618 */
1619 WREG32_P(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset,
1620 (bypass_lut ? GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK : 0),
1621 ~GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK);
1622
1623 if (bypass_lut)
1624 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
1625
1626 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
1627 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
1628 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
1629 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
1630 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
1631 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
1632
1633 fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
1634 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
1635
1636 dce_v6_0_grph_enable(crtc, true);
1637
1638 WREG32(mmDESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
1639 target_fb->height);
1640 x &= ~3;
1641 y &= ~1;
1642 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
1643 (x << 16) | y);
1644 viewport_w = crtc->mode.hdisplay;
1645 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
1646
1647 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
1648 (viewport_w << 16) | viewport_h);
1649
1650 /* set pageflip to happen anywhere in vblank interval */
1651 WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
1652
1653 if (!atomic && fb && fb != crtc->primary->fb) {
1654 amdgpu_fb = to_amdgpu_framebuffer(fb);
1655 abo = gem_to_amdgpu_bo(amdgpu_fb->obj);
1656 r = amdgpu_bo_reserve(abo, false);
1657 if (unlikely(r != 0))
1658 return r;
1659 amdgpu_bo_unpin(abo);
1660 amdgpu_bo_unreserve(abo);
1661 }
1662
1663 /* Bytes per pixel may have changed */
1664 dce_v6_0_bandwidth_update(adev);
1665
1666 return 0;
1667
1668}
1669
1670static void dce_v6_0_set_interleave(struct drm_crtc *crtc,
1671 struct drm_display_mode *mode)
1672{
1673 struct drm_device *dev = crtc->dev;
1674 struct amdgpu_device *adev = dev->dev_private;
1675 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1676
1677 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1678 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset,
1679 INTERLEAVE_EN);
1680 else
1681 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
1682}
1683
1684static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
1685{
1686
1687 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1688 struct drm_device *dev = crtc->dev;
1689 struct amdgpu_device *adev = dev->dev_private;
1690 int i;
1691
1692 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
1693
1694 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
1695 ((0 << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
1696 (0 << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
1697 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
1698 PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
1699 WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
1700 PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
1701 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
1702 ((0 << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
1703 (0 << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
1704
1705 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
1706
1707 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
1708 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
1709 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
1710
1711 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
1712 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
1713 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
1714
1715 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
1716 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
1717
1718 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
1719 for (i = 0; i < 256; i++) {
1720 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
1721 (amdgpu_crtc->lut_r[i] << 20) |
1722 (amdgpu_crtc->lut_g[i] << 10) |
1723 (amdgpu_crtc->lut_b[i] << 0));
1724 }
1725
1726 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
1727 ((0 << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
1728 (0 << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
1729 ICON_DEGAMMA_MODE(0) |
1730 (0 << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
1731 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
1732 ((0 << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
1733 (0 << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
1734 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
1735 ((0 << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
1736 (0 << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
1737 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
1738 ((0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
1739 (0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
1740 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
1741 WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
1742
1743
1744}
1745
1746static int dce_v6_0_pick_dig_encoder(struct drm_encoder *encoder)
1747{
1748 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1749 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1750
1751 switch (amdgpu_encoder->encoder_id) {
1752 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
1753 return dig->linkb ? 1 : 0;
1754 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
1755 return dig->linkb ? 3 : 2;
1756 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
1757 return dig->linkb ? 5 : 4;
1758 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
1759 return 6;
1760 default:
1761 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
1762 return 0;
1763 }
1764}
1765
1766/**
1767 * dce_v6_0_pick_pll - Allocate a PPLL for use by the crtc.
1768 *
1769 * @crtc: drm crtc
1770 *
1771 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
1772 * a single PPLL can be used for all DP crtcs/encoders. For non-DP
1773 * monitors a dedicated PPLL must be used. If a particular board has
1774 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
1775 * as there is no need to program the PLL itself. If we are not able to
1776 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
1777 * avoid messing up an existing monitor.
1778 *
1779 *
1780 */
1781static u32 dce_v6_0_pick_pll(struct drm_crtc *crtc)
1782{
1783 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1784 struct drm_device *dev = crtc->dev;
1785 struct amdgpu_device *adev = dev->dev_private;
1786 u32 pll_in_use;
1787 int pll;
1788
1789 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
1790 if (adev->clock.dp_extclk)
1791 /* skip PPLL programming if using ext clock */
1792 return ATOM_PPLL_INVALID;
1793 else
1794 return ATOM_PPLL0;
1795 } else {
1796 /* use the same PPLL for all monitors with the same clock */
1797 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
1798 if (pll != ATOM_PPLL_INVALID)
1799 return pll;
1800 }
1801
1802 /* PPLL1, and PPLL2 */
1803 pll_in_use = amdgpu_pll_get_use_mask(crtc);
1804 if (!(pll_in_use & (1 << ATOM_PPLL2)))
1805 return ATOM_PPLL2;
1806 if (!(pll_in_use & (1 << ATOM_PPLL1)))
1807 return ATOM_PPLL1;
1808 DRM_ERROR("unable to allocate a PPLL\n");
1809 return ATOM_PPLL_INVALID;
1810}
1811
1812static void dce_v6_0_lock_cursor(struct drm_crtc *crtc, bool lock)
1813{
1814 struct amdgpu_device *adev = crtc->dev->dev_private;
1815 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1816 uint32_t cur_lock;
1817
1818 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
1819 if (lock)
1820 cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
1821 else
1822 cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
1823 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
1824}
1825
1826static void dce_v6_0_hide_cursor(struct drm_crtc *crtc)
1827{
1828 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1829 struct amdgpu_device *adev = crtc->dev->dev_private;
1830
1831 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
1832 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
1833 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
1834
1835
1836}
1837
1838static void dce_v6_0_show_cursor(struct drm_crtc *crtc)
1839{
1840 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1841 struct amdgpu_device *adev = crtc->dev->dev_private;
1842
1843 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1844 upper_32_bits(amdgpu_crtc->cursor_addr));
1845 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1846 lower_32_bits(amdgpu_crtc->cursor_addr));
1847
1848 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
1849 CUR_CONTROL__CURSOR_EN_MASK |
1850 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
1851 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
1852
1853}
1854
1855static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,
1856 int x, int y)
1857{
1858 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1859 struct amdgpu_device *adev = crtc->dev->dev_private;
1860 int xorigin = 0, yorigin = 0;
1861
1862 int w = amdgpu_crtc->cursor_width;
1863
1864 amdgpu_crtc->cursor_x = x;
1865 amdgpu_crtc->cursor_y = y;
1866
1867 /* avivo cursor are offset into the total surface */
1868 x += crtc->x;
1869 y += crtc->y;
1870 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
1871
1872 if (x < 0) {
1873 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
1874 x = 0;
1875 }
1876 if (y < 0) {
1877 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
1878 y = 0;
1879 }
1880
1881 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
1882 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
1883 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
1884 ((w - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
1885
1886 return 0;
1887}
1888
1889static int dce_v6_0_crtc_cursor_move(struct drm_crtc *crtc,
1890 int x, int y)
1891{
1892 int ret;
1893
1894 dce_v6_0_lock_cursor(crtc, true);
1895 ret = dce_v6_0_cursor_move_locked(crtc, x, y);
1896 dce_v6_0_lock_cursor(crtc, false);
1897
1898 return ret;
1899}
1900
1901static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,
1902 struct drm_file *file_priv,
1903 uint32_t handle,
1904 uint32_t width,
1905 uint32_t height,
1906 int32_t hot_x,
1907 int32_t hot_y)
1908{
1909 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1910 struct drm_gem_object *obj;
1911 struct amdgpu_bo *aobj;
1912 int ret;
1913
1914 if (!handle) {
1915 /* turn off cursor */
1916 dce_v6_0_hide_cursor(crtc);
1917 obj = NULL;
1918 goto unpin;
1919 }
1920
1921 if ((width > amdgpu_crtc->max_cursor_width) ||
1922 (height > amdgpu_crtc->max_cursor_height)) {
1923 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
1924 return -EINVAL;
1925 }
1926
1927 obj = drm_gem_object_lookup(file_priv, handle);
1928 if (!obj) {
1929 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
1930 return -ENOENT;
1931 }
1932
1933 aobj = gem_to_amdgpu_bo(obj);
1934 ret = amdgpu_bo_reserve(aobj, false);
1935 if (ret != 0) {
1936 drm_gem_object_unreference_unlocked(obj);
1937 return ret;
1938 }
1939
1940 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr);
1941 amdgpu_bo_unreserve(aobj);
1942 if (ret) {
1943 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
1944 drm_gem_object_unreference_unlocked(obj);
1945 return ret;
1946 }
1947
1948 dce_v6_0_lock_cursor(crtc, true);
1949
1950 if (width != amdgpu_crtc->cursor_width ||
1951 height != amdgpu_crtc->cursor_height ||
1952 hot_x != amdgpu_crtc->cursor_hot_x ||
1953 hot_y != amdgpu_crtc->cursor_hot_y) {
1954 int x, y;
1955
1956 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
1957 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
1958
1959 dce_v6_0_cursor_move_locked(crtc, x, y);
1960
1961 amdgpu_crtc->cursor_width = width;
1962 amdgpu_crtc->cursor_height = height;
1963 amdgpu_crtc->cursor_hot_x = hot_x;
1964 amdgpu_crtc->cursor_hot_y = hot_y;
1965 }
1966
1967 dce_v6_0_show_cursor(crtc);
1968 dce_v6_0_lock_cursor(crtc, false);
1969
1970unpin:
1971 if (amdgpu_crtc->cursor_bo) {
1972 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
1973 ret = amdgpu_bo_reserve(aobj, false);
1974 if (likely(ret == 0)) {
1975 amdgpu_bo_unpin(aobj);
1976 amdgpu_bo_unreserve(aobj);
1977 }
1978 drm_gem_object_unreference_unlocked(amdgpu_crtc->cursor_bo);
1979 }
1980
1981 amdgpu_crtc->cursor_bo = obj;
1982 return 0;
1983}
1984
1985static void dce_v6_0_cursor_reset(struct drm_crtc *crtc)
1986{
1987 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1988
1989 if (amdgpu_crtc->cursor_bo) {
1990 dce_v6_0_lock_cursor(crtc, true);
1991
1992 dce_v6_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
1993 amdgpu_crtc->cursor_y);
1994
1995 dce_v6_0_show_cursor(crtc);
1996 dce_v6_0_lock_cursor(crtc, false);
1997 }
1998}
1999
2000static int dce_v6_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2001 u16 *blue, uint32_t size)
2002{
2003 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2004 int i;
2005
2006 /* userspace palettes are always correct as is */
2007 for (i = 0; i < size; i++) {
2008 amdgpu_crtc->lut_r[i] = red[i] >> 6;
2009 amdgpu_crtc->lut_g[i] = green[i] >> 6;
2010 amdgpu_crtc->lut_b[i] = blue[i] >> 6;
2011 }
2012 dce_v6_0_crtc_load_lut(crtc);
2013
2014 return 0;
2015}
2016
2017static void dce_v6_0_crtc_destroy(struct drm_crtc *crtc)
2018{
2019 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2020
2021 drm_crtc_cleanup(crtc);
2022 kfree(amdgpu_crtc);
2023}
2024
2025static const struct drm_crtc_funcs dce_v6_0_crtc_funcs = {
2026 .cursor_set2 = dce_v6_0_crtc_cursor_set2,
2027 .cursor_move = dce_v6_0_crtc_cursor_move,
2028 .gamma_set = dce_v6_0_crtc_gamma_set,
2029 .set_config = amdgpu_crtc_set_config,
2030 .destroy = dce_v6_0_crtc_destroy,
2031 .page_flip_target = amdgpu_crtc_page_flip_target,
2032};
2033
2034static void dce_v6_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2035{
2036 struct drm_device *dev = crtc->dev;
2037 struct amdgpu_device *adev = dev->dev_private;
2038 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2039 unsigned type;
2040
2041 switch (mode) {
2042 case DRM_MODE_DPMS_ON:
2043 amdgpu_crtc->enabled = true;
2044 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2045 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2046 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2047 type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id);
2048 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2049 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2050 drm_crtc_vblank_on(crtc);
2051 dce_v6_0_crtc_load_lut(crtc);
2052 break;
2053 case DRM_MODE_DPMS_STANDBY:
2054 case DRM_MODE_DPMS_SUSPEND:
2055 case DRM_MODE_DPMS_OFF:
2056 drm_crtc_vblank_off(crtc);
2057 if (amdgpu_crtc->enabled)
2058 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2059 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2060 amdgpu_crtc->enabled = false;
2061 break;
2062 }
2063 /* adjust pm to dpms */
2064 amdgpu_pm_compute_clocks(adev);
2065}
2066
2067static void dce_v6_0_crtc_prepare(struct drm_crtc *crtc)
2068{
2069 /* disable crtc pair power gating before programming */
2070 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2071 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2072 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2073}
2074
2075static void dce_v6_0_crtc_commit(struct drm_crtc *crtc)
2076{
2077 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2078 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2079}
2080
2081static void dce_v6_0_crtc_disable(struct drm_crtc *crtc)
2082{
2083
2084 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2085 struct drm_device *dev = crtc->dev;
2086 struct amdgpu_device *adev = dev->dev_private;
2087 struct amdgpu_atom_ss ss;
2088 int i;
2089
2090 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2091 if (crtc->primary->fb) {
2092 int r;
2093 struct amdgpu_framebuffer *amdgpu_fb;
2094 struct amdgpu_bo *abo;
2095
2096 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2097 abo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2098 r = amdgpu_bo_reserve(abo, false);
2099 if (unlikely(r))
2100 DRM_ERROR("failed to reserve abo before unpin\n");
2101 else {
2102 amdgpu_bo_unpin(abo);
2103 amdgpu_bo_unreserve(abo);
2104 }
2105 }
2106 /* disable the GRPH */
2107 dce_v6_0_grph_enable(crtc, false);
2108
2109 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2110
2111 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2112 if (adev->mode_info.crtcs[i] &&
2113 adev->mode_info.crtcs[i]->enabled &&
2114 i != amdgpu_crtc->crtc_id &&
2115 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2116 /* one other crtc is using this pll don't turn
2117 * off the pll
2118 */
2119 goto done;
2120 }
2121 }
2122
2123 switch (amdgpu_crtc->pll_id) {
2124 case ATOM_PPLL1:
2125 case ATOM_PPLL2:
2126 /* disable the ppll */
2127 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2128 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2129 break;
2130 default:
2131 break;
2132 }
2133done:
2134 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2135 amdgpu_crtc->adjusted_clock = 0;
2136 amdgpu_crtc->encoder = NULL;
2137 amdgpu_crtc->connector = NULL;
2138}
2139
2140static int dce_v6_0_crtc_mode_set(struct drm_crtc *crtc,
2141 struct drm_display_mode *mode,
2142 struct drm_display_mode *adjusted_mode,
2143 int x, int y, struct drm_framebuffer *old_fb)
2144{
2145 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2146
2147 if (!amdgpu_crtc->adjusted_clock)
2148 return -EINVAL;
2149
2150 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2151 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2152 dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2153 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2154 amdgpu_atombios_crtc_scaler_setup(crtc);
2155 dce_v6_0_cursor_reset(crtc);
2156 /* update the hw version fpr dpm */
2157 amdgpu_crtc->hw_mode = *adjusted_mode;
2158
2159 return 0;
2160}
2161
2162static bool dce_v6_0_crtc_mode_fixup(struct drm_crtc *crtc,
2163 const struct drm_display_mode *mode,
2164 struct drm_display_mode *adjusted_mode)
2165{
2166
2167 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2168 struct drm_device *dev = crtc->dev;
2169 struct drm_encoder *encoder;
2170
2171 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2172 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2173 if (encoder->crtc == crtc) {
2174 amdgpu_crtc->encoder = encoder;
2175 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2176 break;
2177 }
2178 }
2179 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2180 amdgpu_crtc->encoder = NULL;
2181 amdgpu_crtc->connector = NULL;
2182 return false;
2183 }
2184 if (!amdgpu_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2185 return false;
2186 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2187 return false;
2188 /* pick pll */
2189 amdgpu_crtc->pll_id = dce_v6_0_pick_pll(crtc);
2190 /* if we can't get a PPLL for a non-DP encoder, fail */
2191 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2192 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2193 return false;
2194
2195 return true;
2196}
2197
2198static int dce_v6_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2199 struct drm_framebuffer *old_fb)
2200{
2201 return dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2202}
2203
2204static int dce_v6_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2205 struct drm_framebuffer *fb,
2206 int x, int y, enum mode_set_atomic state)
2207{
2208 return dce_v6_0_crtc_do_set_base(crtc, fb, x, y, 1);
2209}
2210
2211static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = {
2212 .dpms = dce_v6_0_crtc_dpms,
2213 .mode_fixup = dce_v6_0_crtc_mode_fixup,
2214 .mode_set = dce_v6_0_crtc_mode_set,
2215 .mode_set_base = dce_v6_0_crtc_set_base,
2216 .mode_set_base_atomic = dce_v6_0_crtc_set_base_atomic,
2217 .prepare = dce_v6_0_crtc_prepare,
2218 .commit = dce_v6_0_crtc_commit,
2219 .load_lut = dce_v6_0_crtc_load_lut,
2220 .disable = dce_v6_0_crtc_disable,
2221};
2222
2223static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
2224{
2225 struct amdgpu_crtc *amdgpu_crtc;
2226 int i;
2227
2228 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2229 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2230 if (amdgpu_crtc == NULL)
2231 return -ENOMEM;
2232
2233 drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v6_0_crtc_funcs);
2234
2235 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2236 amdgpu_crtc->crtc_id = index;
2237 adev->mode_info.crtcs[index] = amdgpu_crtc;
2238
2239 amdgpu_crtc->max_cursor_width = CURSOR_WIDTH;
2240 amdgpu_crtc->max_cursor_height = CURSOR_HEIGHT;
2241 adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2242 adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2243
2244 for (i = 0; i < 256; i++) {
2245 amdgpu_crtc->lut_r[i] = i << 2;
2246 amdgpu_crtc->lut_g[i] = i << 2;
2247 amdgpu_crtc->lut_b[i] = i << 2;
2248 }
2249
2250 amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2251
2252 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2253 amdgpu_crtc->adjusted_clock = 0;
2254 amdgpu_crtc->encoder = NULL;
2255 amdgpu_crtc->connector = NULL;
2256 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v6_0_crtc_helper_funcs);
2257
2258 return 0;
2259}
2260
2261static int dce_v6_0_early_init(void *handle)
2262{
2263 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2264
2265 adev->audio_endpt_rreg = &dce_v6_0_audio_endpt_rreg;
2266 adev->audio_endpt_wreg = &dce_v6_0_audio_endpt_wreg;
2267
2268 dce_v6_0_set_display_funcs(adev);
2269 dce_v6_0_set_irq_funcs(adev);
2270
2271 adev->mode_info.num_crtc = dce_v6_0_get_num_crtc(adev);
2272
2273 switch (adev->asic_type) {
2274 case CHIP_TAHITI:
2275 case CHIP_PITCAIRN:
2276 case CHIP_VERDE:
2277 adev->mode_info.num_hpd = 6;
2278 adev->mode_info.num_dig = 6;
2279 break;
2280 case CHIP_OLAND:
2281 adev->mode_info.num_hpd = 2;
2282 adev->mode_info.num_dig = 2;
2283 break;
2284 default:
2285 return -EINVAL;
2286 }
2287
2288 return 0;
2289}
2290
2291static int dce_v6_0_sw_init(void *handle)
2292{
2293 int r, i;
2294 bool ret;
2295 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2296
2297 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2298 r = amdgpu_irq_add_id(adev, i + 1, &adev->crtc_irq);
2299 if (r)
2300 return r;
2301 }
2302
2303 for (i = 8; i < 20; i += 2) {
2304 r = amdgpu_irq_add_id(adev, i, &adev->pageflip_irq);
2305 if (r)
2306 return r;
2307 }
2308
2309 /* HPD hotplug */
2310 r = amdgpu_irq_add_id(adev, 42, &adev->hpd_irq);
2311 if (r)
2312 return r;
2313
2314 adev->mode_info.mode_config_initialized = true;
2315
2316 adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2317 adev->ddev->mode_config.async_page_flip = true;
2318 adev->ddev->mode_config.max_width = 16384;
2319 adev->ddev->mode_config.max_height = 16384;
2320 adev->ddev->mode_config.preferred_depth = 24;
2321 adev->ddev->mode_config.prefer_shadow = 1;
2322 adev->ddev->mode_config.fb_base = adev->mc.aper_base;
2323
2324 r = amdgpu_modeset_create_props(adev);
2325 if (r)
2326 return r;
2327
2328 adev->ddev->mode_config.max_width = 16384;
2329 adev->ddev->mode_config.max_height = 16384;
2330
2331 /* allocate crtcs */
2332 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2333 r = dce_v6_0_crtc_init(adev, i);
2334 if (r)
2335 return r;
2336 }
2337
2338 ret = amdgpu_atombios_get_connector_info_from_object_table(adev);
2339 if (ret)
2340 amdgpu_print_display_setup(adev->ddev);
2341 else
2342 return -EINVAL;
2343
2344 /* setup afmt */
2345 r = dce_v6_0_afmt_init(adev);
2346 if (r)
2347 return r;
2348
2349 r = dce_v6_0_audio_init(adev);
2350 if (r)
2351 return r;
2352
2353 drm_kms_helper_poll_init(adev->ddev);
2354
2355 return r;
2356}
2357
2358static int dce_v6_0_sw_fini(void *handle)
2359{
2360 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2361
2362 kfree(adev->mode_info.bios_hardcoded_edid);
2363
2364 drm_kms_helper_poll_fini(adev->ddev);
2365
2366 dce_v6_0_audio_fini(adev);
2367 dce_v6_0_afmt_fini(adev);
2368
2369 drm_mode_config_cleanup(adev->ddev);
2370 adev->mode_info.mode_config_initialized = false;
2371
2372 return 0;
2373}
2374
2375static int dce_v6_0_hw_init(void *handle)
2376{
2377 int i;
2378 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2379
2380 /* init dig PHYs, disp eng pll */
2381 amdgpu_atombios_encoder_init_dig(adev);
2382 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2383
2384 /* initialize hpd */
2385 dce_v6_0_hpd_init(adev);
2386
2387 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2388 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2389 }
2390
2391 dce_v6_0_pageflip_interrupt_init(adev);
2392
2393 return 0;
2394}
2395
2396static int dce_v6_0_hw_fini(void *handle)
2397{
2398 int i;
2399 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2400
2401 dce_v6_0_hpd_fini(adev);
2402
2403 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2404 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2405 }
2406
2407 dce_v6_0_pageflip_interrupt_fini(adev);
2408
2409 return 0;
2410}
2411
2412static int dce_v6_0_suspend(void *handle)
2413{
2414 return dce_v6_0_hw_fini(handle);
2415}
2416
2417static int dce_v6_0_resume(void *handle)
2418{
2419 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2420 int ret;
2421
2422 ret = dce_v6_0_hw_init(handle);
2423
2424 /* turn on the BL */
2425 if (adev->mode_info.bl_encoder) {
2426 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2427 adev->mode_info.bl_encoder);
2428 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2429 bl_level);
2430 }
2431
2432 return ret;
2433}
2434
2435static bool dce_v6_0_is_idle(void *handle)
2436{
2437 return true;
2438}
2439
2440static int dce_v6_0_wait_for_idle(void *handle)
2441{
2442 return 0;
2443}
2444
2445static int dce_v6_0_soft_reset(void *handle)
2446{
2447 DRM_INFO("xxxx: dce_v6_0_soft_reset --- no impl!!\n");
2448 return 0;
2449}
2450
2451static void dce_v6_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2452 int crtc,
2453 enum amdgpu_interrupt_state state)
2454{
2455 u32 reg_block, interrupt_mask;
2456
2457 if (crtc >= adev->mode_info.num_crtc) {
2458 DRM_DEBUG("invalid crtc %d\n", crtc);
2459 return;
2460 }
2461
2462 switch (crtc) {
2463 case 0:
2464 reg_block = SI_CRTC0_REGISTER_OFFSET;
2465 break;
2466 case 1:
2467 reg_block = SI_CRTC1_REGISTER_OFFSET;
2468 break;
2469 case 2:
2470 reg_block = SI_CRTC2_REGISTER_OFFSET;
2471 break;
2472 case 3:
2473 reg_block = SI_CRTC3_REGISTER_OFFSET;
2474 break;
2475 case 4:
2476 reg_block = SI_CRTC4_REGISTER_OFFSET;
2477 break;
2478 case 5:
2479 reg_block = SI_CRTC5_REGISTER_OFFSET;
2480 break;
2481 default:
2482 DRM_DEBUG("invalid crtc %d\n", crtc);
2483 return;
2484 }
2485
2486 switch (state) {
2487 case AMDGPU_IRQ_STATE_DISABLE:
2488 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2489 interrupt_mask &= ~VBLANK_INT_MASK;
2490 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2491 break;
2492 case AMDGPU_IRQ_STATE_ENABLE:
2493 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2494 interrupt_mask |= VBLANK_INT_MASK;
2495 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2496 break;
2497 default:
2498 break;
2499 }
2500}
2501
2502static void dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2503 int crtc,
2504 enum amdgpu_interrupt_state state)
2505{
2506
2507}
2508
2509static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2510 struct amdgpu_irq_src *src,
2511 unsigned type,
2512 enum amdgpu_interrupt_state state)
2513{
2514 u32 dc_hpd_int_cntl;
2515
2516 if (type >= adev->mode_info.num_hpd) {
2517 DRM_DEBUG("invalid hdp %d\n", type);
2518 return 0;
2519 }
2520
2521 switch (state) {
2522 case AMDGPU_IRQ_STATE_DISABLE:
2523 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2524 dc_hpd_int_cntl &= ~DC_HPDx_INT_EN;
2525 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2526 break;
2527 case AMDGPU_IRQ_STATE_ENABLE:
2528 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2529 dc_hpd_int_cntl |= DC_HPDx_INT_EN;
2530 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2531 break;
2532 default:
2533 break;
2534 }
2535
2536 return 0;
2537}
2538
2539static int dce_v6_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2540 struct amdgpu_irq_src *src,
2541 unsigned type,
2542 enum amdgpu_interrupt_state state)
2543{
2544 switch (type) {
2545 case AMDGPU_CRTC_IRQ_VBLANK1:
2546 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2547 break;
2548 case AMDGPU_CRTC_IRQ_VBLANK2:
2549 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2550 break;
2551 case AMDGPU_CRTC_IRQ_VBLANK3:
2552 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2553 break;
2554 case AMDGPU_CRTC_IRQ_VBLANK4:
2555 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2556 break;
2557 case AMDGPU_CRTC_IRQ_VBLANK5:
2558 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2559 break;
2560 case AMDGPU_CRTC_IRQ_VBLANK6:
2561 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2562 break;
2563 case AMDGPU_CRTC_IRQ_VLINE1:
2564 dce_v6_0_set_crtc_vline_interrupt_state(adev, 0, state);
2565 break;
2566 case AMDGPU_CRTC_IRQ_VLINE2:
2567 dce_v6_0_set_crtc_vline_interrupt_state(adev, 1, state);
2568 break;
2569 case AMDGPU_CRTC_IRQ_VLINE3:
2570 dce_v6_0_set_crtc_vline_interrupt_state(adev, 2, state);
2571 break;
2572 case AMDGPU_CRTC_IRQ_VLINE4:
2573 dce_v6_0_set_crtc_vline_interrupt_state(adev, 3, state);
2574 break;
2575 case AMDGPU_CRTC_IRQ_VLINE5:
2576 dce_v6_0_set_crtc_vline_interrupt_state(adev, 4, state);
2577 break;
2578 case AMDGPU_CRTC_IRQ_VLINE6:
2579 dce_v6_0_set_crtc_vline_interrupt_state(adev, 5, state);
2580 break;
2581 default:
2582 break;
2583 }
2584 return 0;
2585}
2586
2587static int dce_v6_0_crtc_irq(struct amdgpu_device *adev,
2588 struct amdgpu_irq_src *source,
2589 struct amdgpu_iv_entry *entry)
2590{
2591 unsigned crtc = entry->src_id - 1;
2592 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
2593 unsigned irq_type = amdgpu_crtc_idx_to_irq_type(adev, crtc);
2594
2595 switch (entry->src_data) {
2596 case 0: /* vblank */
2597 if (disp_int & interrupt_status_offsets[crtc].vblank)
2598 WREG32(mmVBLANK_STATUS + crtc_offsets[crtc], VBLANK_ACK);
2599 else
2600 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2601
2602 if (amdgpu_irq_enabled(adev, source, irq_type)) {
2603 drm_handle_vblank(adev->ddev, crtc);
2604 }
2605 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
2606 break;
2607 case 1: /* vline */
2608 if (disp_int & interrupt_status_offsets[crtc].vline)
2609 WREG32(mmVLINE_STATUS + crtc_offsets[crtc], VLINE_ACK);
2610 else
2611 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2612
2613 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
2614 break;
2615 default:
2616 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
2617 break;
2618 }
2619
2620 return 0;
2621}
2622
2623static int dce_v6_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
2624 struct amdgpu_irq_src *src,
2625 unsigned type,
2626 enum amdgpu_interrupt_state state)
2627{
2628 u32 reg;
2629
2630 if (type >= adev->mode_info.num_crtc) {
2631 DRM_ERROR("invalid pageflip crtc %d\n", type);
2632 return -EINVAL;
2633 }
2634
2635 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
2636 if (state == AMDGPU_IRQ_STATE_DISABLE)
2637 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
2638 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
2639 else
2640 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
2641 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
2642
2643 return 0;
2644}
2645
2646static int dce_v6_0_pageflip_irq(struct amdgpu_device *adev,
2647 struct amdgpu_irq_src *source,
2648 struct amdgpu_iv_entry *entry)
2649{
2650 unsigned long flags;
2651 unsigned crtc_id;
2652 struct amdgpu_crtc *amdgpu_crtc;
2653 struct amdgpu_flip_work *works;
2654
2655 crtc_id = (entry->src_id - 8) >> 1;
2656 amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
2657
2658 if (crtc_id >= adev->mode_info.num_crtc) {
2659 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
2660 return -EINVAL;
2661 }
2662
2663 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
2664 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
2665 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
2666 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
2667
2668 /* IRQ could occur when in initial stage */
2669 if (amdgpu_crtc == NULL)
2670 return 0;
2671
2672 spin_lock_irqsave(&adev->ddev->event_lock, flags);
2673 works = amdgpu_crtc->pflip_works;
2674 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
2675 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
2676 "AMDGPU_FLIP_SUBMITTED(%d)\n",
2677 amdgpu_crtc->pflip_status,
2678 AMDGPU_FLIP_SUBMITTED);
2679 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
2680 return 0;
2681 }
2682
2683 /* page flip completed. clean up */
2684 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
2685 amdgpu_crtc->pflip_works = NULL;
2686
2687 /* wakeup usersapce */
2688 if (works->event)
2689 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
2690
2691 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
2692
2693 drm_crtc_vblank_put(&amdgpu_crtc->base);
2694 schedule_work(&works->unpin_work);
2695
2696 return 0;
2697}
2698
2699static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
2700 struct amdgpu_irq_src *source,
2701 struct amdgpu_iv_entry *entry)
2702{
2703 uint32_t disp_int, mask, tmp;
2704 unsigned hpd;
2705
2706 if (entry->src_data >= adev->mode_info.num_hpd) {
2707 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
2708 return 0;
2709 }
2710
2711 hpd = entry->src_data;
2712 disp_int = RREG32(interrupt_status_offsets[hpd].reg);
2713 mask = interrupt_status_offsets[hpd].hpd;
2714
2715 if (disp_int & mask) {
2716 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
2717 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
2718 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
2719 schedule_work(&adev->hotplug_work);
2720 DRM_INFO("IH: HPD%d\n", hpd + 1);
2721 }
2722
2723 return 0;
2724
2725}
2726
2727static int dce_v6_0_set_clockgating_state(void *handle,
2728 enum amd_clockgating_state state)
2729{
2730 return 0;
2731}
2732
2733static int dce_v6_0_set_powergating_state(void *handle,
2734 enum amd_powergating_state state)
2735{
2736 return 0;
2737}
2738
2739static const struct amd_ip_funcs dce_v6_0_ip_funcs = {
2740 .name = "dce_v6_0",
2741 .early_init = dce_v6_0_early_init,
2742 .late_init = NULL,
2743 .sw_init = dce_v6_0_sw_init,
2744 .sw_fini = dce_v6_0_sw_fini,
2745 .hw_init = dce_v6_0_hw_init,
2746 .hw_fini = dce_v6_0_hw_fini,
2747 .suspend = dce_v6_0_suspend,
2748 .resume = dce_v6_0_resume,
2749 .is_idle = dce_v6_0_is_idle,
2750 .wait_for_idle = dce_v6_0_wait_for_idle,
2751 .soft_reset = dce_v6_0_soft_reset,
2752 .set_clockgating_state = dce_v6_0_set_clockgating_state,
2753 .set_powergating_state = dce_v6_0_set_powergating_state,
2754};
2755
2756static void
2757dce_v6_0_encoder_mode_set(struct drm_encoder *encoder,
2758 struct drm_display_mode *mode,
2759 struct drm_display_mode *adjusted_mode)
2760{
2761
2762 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2763
2764 amdgpu_encoder->pixel_clock = adjusted_mode->clock;
2765
2766 /* need to call this here rather than in prepare() since we need some crtc info */
2767 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
2768
2769 /* set scaler clears this on some chips */
2770 dce_v6_0_set_interleave(encoder->crtc, mode);
2771
2772 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
2773 dce_v6_0_afmt_enable(encoder, true);
2774 dce_v6_0_afmt_setmode(encoder, adjusted_mode);
2775 }
2776}
2777
2778static void dce_v6_0_encoder_prepare(struct drm_encoder *encoder)
2779{
2780
2781 struct amdgpu_device *adev = encoder->dev->dev_private;
2782 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2783 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
2784
2785 if ((amdgpu_encoder->active_device &
2786 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
2787 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
2788 ENCODER_OBJECT_ID_NONE)) {
2789 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2790 if (dig) {
2791 dig->dig_encoder = dce_v6_0_pick_dig_encoder(encoder);
2792 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
2793 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
2794 }
2795 }
2796
2797 amdgpu_atombios_scratch_regs_lock(adev, true);
2798
2799 if (connector) {
2800 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
2801
2802 /* select the clock/data port if it uses a router */
2803 if (amdgpu_connector->router.cd_valid)
2804 amdgpu_i2c_router_select_cd_port(amdgpu_connector);
2805
2806 /* turn eDP panel on for mode set */
2807 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
2808 amdgpu_atombios_encoder_set_edp_panel_power(connector,
2809 ATOM_TRANSMITTER_ACTION_POWER_ON);
2810 }
2811
2812 /* this is needed for the pll/ss setup to work correctly in some cases */
2813 amdgpu_atombios_encoder_set_crtc_source(encoder);
2814 /* set up the FMT blocks */
2815 dce_v6_0_program_fmt(encoder);
2816}
2817
2818static void dce_v6_0_encoder_commit(struct drm_encoder *encoder)
2819{
2820
2821 struct drm_device *dev = encoder->dev;
2822 struct amdgpu_device *adev = dev->dev_private;
2823
2824 /* need to call this here as we need the crtc set up */
2825 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
2826 amdgpu_atombios_scratch_regs_lock(adev, false);
2827}
2828
2829static void dce_v6_0_encoder_disable(struct drm_encoder *encoder)
2830{
2831
2832 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2833 struct amdgpu_encoder_atom_dig *dig;
2834
2835 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
2836
2837 if (amdgpu_atombios_encoder_is_digital(encoder)) {
2838 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
2839 dce_v6_0_afmt_enable(encoder, false);
2840 dig = amdgpu_encoder->enc_priv;
2841 dig->dig_encoder = -1;
2842 }
2843 amdgpu_encoder->active_device = 0;
2844}
2845
2846/* these are handled by the primary encoders */
2847static void dce_v6_0_ext_prepare(struct drm_encoder *encoder)
2848{
2849
2850}
2851
2852static void dce_v6_0_ext_commit(struct drm_encoder *encoder)
2853{
2854
2855}
2856
2857static void
2858dce_v6_0_ext_mode_set(struct drm_encoder *encoder,
2859 struct drm_display_mode *mode,
2860 struct drm_display_mode *adjusted_mode)
2861{
2862
2863}
2864
2865static void dce_v6_0_ext_disable(struct drm_encoder *encoder)
2866{
2867
2868}
2869
2870static void
2871dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode)
2872{
2873
2874}
2875
2876static bool dce_v6_0_ext_mode_fixup(struct drm_encoder *encoder,
2877 const struct drm_display_mode *mode,
2878 struct drm_display_mode *adjusted_mode)
2879{
2880 return true;
2881}
2882
2883static const struct drm_encoder_helper_funcs dce_v6_0_ext_helper_funcs = {
2884 .dpms = dce_v6_0_ext_dpms,
2885 .mode_fixup = dce_v6_0_ext_mode_fixup,
2886 .prepare = dce_v6_0_ext_prepare,
2887 .mode_set = dce_v6_0_ext_mode_set,
2888 .commit = dce_v6_0_ext_commit,
2889 .disable = dce_v6_0_ext_disable,
2890 /* no detect for TMDS/LVDS yet */
2891};
2892
2893static const struct drm_encoder_helper_funcs dce_v6_0_dig_helper_funcs = {
2894 .dpms = amdgpu_atombios_encoder_dpms,
2895 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
2896 .prepare = dce_v6_0_encoder_prepare,
2897 .mode_set = dce_v6_0_encoder_mode_set,
2898 .commit = dce_v6_0_encoder_commit,
2899 .disable = dce_v6_0_encoder_disable,
2900 .detect = amdgpu_atombios_encoder_dig_detect,
2901};
2902
2903static const struct drm_encoder_helper_funcs dce_v6_0_dac_helper_funcs = {
2904 .dpms = amdgpu_atombios_encoder_dpms,
2905 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
2906 .prepare = dce_v6_0_encoder_prepare,
2907 .mode_set = dce_v6_0_encoder_mode_set,
2908 .commit = dce_v6_0_encoder_commit,
2909 .detect = amdgpu_atombios_encoder_dac_detect,
2910};
2911
2912static void dce_v6_0_encoder_destroy(struct drm_encoder *encoder)
2913{
2914 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2915 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
2916 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
2917 kfree(amdgpu_encoder->enc_priv);
2918 drm_encoder_cleanup(encoder);
2919 kfree(amdgpu_encoder);
2920}
2921
2922static const struct drm_encoder_funcs dce_v6_0_encoder_funcs = {
2923 .destroy = dce_v6_0_encoder_destroy,
2924};
2925
2926static void dce_v6_0_encoder_add(struct amdgpu_device *adev,
2927 uint32_t encoder_enum,
2928 uint32_t supported_device,
2929 u16 caps)
2930{
2931 struct drm_device *dev = adev->ddev;
2932 struct drm_encoder *encoder;
2933 struct amdgpu_encoder *amdgpu_encoder;
2934
2935 /* see if we already added it */
2936 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2937 amdgpu_encoder = to_amdgpu_encoder(encoder);
2938 if (amdgpu_encoder->encoder_enum == encoder_enum) {
2939 amdgpu_encoder->devices |= supported_device;
2940 return;
2941 }
2942
2943 }
2944
2945 /* add a new one */
2946 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
2947 if (!amdgpu_encoder)
2948 return;
2949
2950 encoder = &amdgpu_encoder->base;
2951 switch (adev->mode_info.num_crtc) {
2952 case 1:
2953 encoder->possible_crtcs = 0x1;
2954 break;
2955 case 2:
2956 default:
2957 encoder->possible_crtcs = 0x3;
2958 break;
2959 case 4:
2960 encoder->possible_crtcs = 0xf;
2961 break;
2962 case 6:
2963 encoder->possible_crtcs = 0x3f;
2964 break;
2965 }
2966
2967 amdgpu_encoder->enc_priv = NULL;
2968 amdgpu_encoder->encoder_enum = encoder_enum;
2969 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
2970 amdgpu_encoder->devices = supported_device;
2971 amdgpu_encoder->rmx_type = RMX_OFF;
2972 amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
2973 amdgpu_encoder->is_ext_encoder = false;
2974 amdgpu_encoder->caps = caps;
2975
2976 switch (amdgpu_encoder->encoder_id) {
2977 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
2978 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
2979 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
2980 DRM_MODE_ENCODER_DAC, NULL);
2981 drm_encoder_helper_add(encoder, &dce_v6_0_dac_helper_funcs);
2982 break;
2983 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
2984 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2985 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2986 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2987 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2988 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
2989 amdgpu_encoder->rmx_type = RMX_FULL;
2990 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
2991 DRM_MODE_ENCODER_LVDS, NULL);
2992 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
2993 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
2994 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
2995 DRM_MODE_ENCODER_DAC, NULL);
2996 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
2997 } else {
2998 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
2999 DRM_MODE_ENCODER_TMDS, NULL);
3000 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3001 }
3002 drm_encoder_helper_add(encoder, &dce_v6_0_dig_helper_funcs);
3003 break;
3004 case ENCODER_OBJECT_ID_SI170B:
3005 case ENCODER_OBJECT_ID_CH7303:
3006 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3007 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3008 case ENCODER_OBJECT_ID_TITFP513:
3009 case ENCODER_OBJECT_ID_VT1623:
3010 case ENCODER_OBJECT_ID_HDMI_SI1930:
3011 case ENCODER_OBJECT_ID_TRAVIS:
3012 case ENCODER_OBJECT_ID_NUTMEG:
3013 /* these are handled by the primary encoders */
3014 amdgpu_encoder->is_ext_encoder = true;
3015 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3016 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3017 DRM_MODE_ENCODER_LVDS, NULL);
3018 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3019 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3020 DRM_MODE_ENCODER_DAC, NULL);
3021 else
3022 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3023 DRM_MODE_ENCODER_TMDS, NULL);
3024 drm_encoder_helper_add(encoder, &dce_v6_0_ext_helper_funcs);
3025 break;
3026 }
3027}
3028
3029static const struct amdgpu_display_funcs dce_v6_0_display_funcs = {
3030 .set_vga_render_state = &dce_v6_0_set_vga_render_state,
3031 .bandwidth_update = &dce_v6_0_bandwidth_update,
3032 .vblank_get_counter = &dce_v6_0_vblank_get_counter,
3033 .vblank_wait = &dce_v6_0_vblank_wait,
3034 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3035 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3036 .hpd_sense = &dce_v6_0_hpd_sense,
3037 .hpd_set_polarity = &dce_v6_0_hpd_set_polarity,
3038 .hpd_get_gpio_reg = &dce_v6_0_hpd_get_gpio_reg,
3039 .page_flip = &dce_v6_0_page_flip,
3040 .page_flip_get_scanoutpos = &dce_v6_0_crtc_get_scanoutpos,
3041 .add_encoder = &dce_v6_0_encoder_add,
3042 .add_connector = &amdgpu_connector_add,
3043 .stop_mc_access = &dce_v6_0_stop_mc_access,
3044 .resume_mc_access = &dce_v6_0_resume_mc_access,
3045};
3046
3047static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev)
3048{
3049 if (adev->mode_info.funcs == NULL)
3050 adev->mode_info.funcs = &dce_v6_0_display_funcs;
3051}
3052
3053static const struct amdgpu_irq_src_funcs dce_v6_0_crtc_irq_funcs = {
3054 .set = dce_v6_0_set_crtc_interrupt_state,
3055 .process = dce_v6_0_crtc_irq,
3056};
3057
3058static const struct amdgpu_irq_src_funcs dce_v6_0_pageflip_irq_funcs = {
3059 .set = dce_v6_0_set_pageflip_interrupt_state,
3060 .process = dce_v6_0_pageflip_irq,
3061};
3062
3063static const struct amdgpu_irq_src_funcs dce_v6_0_hpd_irq_funcs = {
3064 .set = dce_v6_0_set_hpd_interrupt_state,
3065 .process = dce_v6_0_hpd_irq,
3066};
3067
3068static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev)
3069{
3070 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST;
3071 adev->crtc_irq.funcs = &dce_v6_0_crtc_irq_funcs;
3072
3073 adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST;
3074 adev->pageflip_irq.funcs = &dce_v6_0_pageflip_irq_funcs;
3075
3076 adev->hpd_irq.num_types = AMDGPU_HPD_LAST;
3077 adev->hpd_irq.funcs = &dce_v6_0_hpd_irq_funcs;
3078}
3079
3080const struct amdgpu_ip_block_version dce_v6_0_ip_block =
3081{
3082 .type = AMD_IP_BLOCK_TYPE_DCE,
3083 .major = 6,
3084 .minor = 0,
3085 .rev = 0,
3086 .funcs = &dce_v6_0_ip_funcs,
3087};
3088
3089const struct amdgpu_ip_block_version dce_v6_4_ip_block =
3090{
3091 .type = AMD_IP_BLOCK_TYPE_DCE,
3092 .major = 6,
3093 .minor = 4,
3094 .rev = 0,
3095 .funcs = &dce_v6_0_ip_funcs,
3096};