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1/*
2 * Copyright (C) 2008 Maarten Maathuis.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27#include "drmP.h"
28#include "drm_crtc_helper.h"
29#include "nouveau_drv.h"
30#include "nouveau_fb.h"
31#include "nouveau_fbcon.h"
32#include "nouveau_hw.h"
33#include "nouveau_crtc.h"
34#include "nouveau_dma.h"
35#include "nv50_display.h"
36
37static void
38nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
39{
40 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
41
42 if (fb->nvbo)
43 drm_gem_object_unreference_unlocked(fb->nvbo->gem);
44
45 drm_framebuffer_cleanup(drm_fb);
46 kfree(fb);
47}
48
49static int
50nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
51 struct drm_file *file_priv,
52 unsigned int *handle)
53{
54 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
55
56 return drm_gem_handle_create(file_priv, fb->nvbo->gem, handle);
57}
58
59static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
60 .destroy = nouveau_user_framebuffer_destroy,
61 .create_handle = nouveau_user_framebuffer_create_handle,
62};
63
64int
65nouveau_framebuffer_init(struct drm_device *dev,
66 struct nouveau_framebuffer *nv_fb,
67 struct drm_mode_fb_cmd *mode_cmd,
68 struct nouveau_bo *nvbo)
69{
70 struct drm_nouveau_private *dev_priv = dev->dev_private;
71 struct drm_framebuffer *fb = &nv_fb->base;
72 int ret;
73
74 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
75 if (ret) {
76 return ret;
77 }
78
79 drm_helper_mode_fill_fb_struct(fb, mode_cmd);
80 nv_fb->nvbo = nvbo;
81
82 if (dev_priv->card_type >= NV_50) {
83 u32 tile_flags = nouveau_bo_tile_layout(nvbo);
84 if (tile_flags == 0x7a00 ||
85 tile_flags == 0xfe00)
86 nv_fb->r_dma = NvEvoFB32;
87 else
88 if (tile_flags == 0x7000)
89 nv_fb->r_dma = NvEvoFB16;
90 else
91 nv_fb->r_dma = NvEvoVRAM_LP;
92
93 switch (fb->depth) {
94 case 8: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_8; break;
95 case 15: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_15; break;
96 case 16: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_16; break;
97 case 24:
98 case 32: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_24; break;
99 case 30: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_30; break;
100 default:
101 NV_ERROR(dev, "unknown depth %d\n", fb->depth);
102 return -EINVAL;
103 }
104
105 if (dev_priv->chipset == 0x50)
106 nv_fb->r_format |= (tile_flags << 8);
107
108 if (!tile_flags)
109 nv_fb->r_pitch = 0x00100000 | fb->pitch;
110 else {
111 u32 mode = nvbo->tile_mode;
112 if (dev_priv->card_type >= NV_C0)
113 mode >>= 4;
114 nv_fb->r_pitch = ((fb->pitch / 4) << 4) | mode;
115 }
116 }
117
118 return 0;
119}
120
121static struct drm_framebuffer *
122nouveau_user_framebuffer_create(struct drm_device *dev,
123 struct drm_file *file_priv,
124 struct drm_mode_fb_cmd *mode_cmd)
125{
126 struct nouveau_framebuffer *nouveau_fb;
127 struct drm_gem_object *gem;
128 int ret;
129
130 gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handle);
131 if (!gem)
132 return ERR_PTR(-ENOENT);
133
134 nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL);
135 if (!nouveau_fb)
136 return ERR_PTR(-ENOMEM);
137
138 ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem));
139 if (ret) {
140 drm_gem_object_unreference(gem);
141 return ERR_PTR(ret);
142 }
143
144 return &nouveau_fb->base;
145}
146
147const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
148 .fb_create = nouveau_user_framebuffer_create,
149 .output_poll_changed = nouveau_fbcon_output_poll_changed,
150};
151
152int
153nouveau_vblank_enable(struct drm_device *dev, int crtc)
154{
155 struct drm_nouveau_private *dev_priv = dev->dev_private;
156
157 if (dev_priv->card_type >= NV_50)
158 nv_mask(dev, NV50_PDISPLAY_INTR_EN_1, 0,
159 NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc));
160 else
161 NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0,
162 NV_PCRTC_INTR_0_VBLANK);
163
164 return 0;
165}
166
167void
168nouveau_vblank_disable(struct drm_device *dev, int crtc)
169{
170 struct drm_nouveau_private *dev_priv = dev->dev_private;
171
172 if (dev_priv->card_type >= NV_50)
173 nv_mask(dev, NV50_PDISPLAY_INTR_EN_1,
174 NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc), 0);
175 else
176 NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0, 0);
177}
178
179static int
180nouveau_page_flip_reserve(struct nouveau_bo *old_bo,
181 struct nouveau_bo *new_bo)
182{
183 int ret;
184
185 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM);
186 if (ret)
187 return ret;
188
189 ret = ttm_bo_reserve(&new_bo->bo, false, false, false, 0);
190 if (ret)
191 goto fail;
192
193 ret = ttm_bo_reserve(&old_bo->bo, false, false, false, 0);
194 if (ret)
195 goto fail_unreserve;
196
197 return 0;
198
199fail_unreserve:
200 ttm_bo_unreserve(&new_bo->bo);
201fail:
202 nouveau_bo_unpin(new_bo);
203 return ret;
204}
205
206static void
207nouveau_page_flip_unreserve(struct nouveau_bo *old_bo,
208 struct nouveau_bo *new_bo,
209 struct nouveau_fence *fence)
210{
211 nouveau_bo_fence(new_bo, fence);
212 ttm_bo_unreserve(&new_bo->bo);
213
214 nouveau_bo_fence(old_bo, fence);
215 ttm_bo_unreserve(&old_bo->bo);
216
217 nouveau_bo_unpin(old_bo);
218}
219
220static int
221nouveau_page_flip_emit(struct nouveau_channel *chan,
222 struct nouveau_bo *old_bo,
223 struct nouveau_bo *new_bo,
224 struct nouveau_page_flip_state *s,
225 struct nouveau_fence **pfence)
226{
227 struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
228 struct drm_device *dev = chan->dev;
229 unsigned long flags;
230 int ret;
231
232 /* Queue it to the pending list */
233 spin_lock_irqsave(&dev->event_lock, flags);
234 list_add_tail(&s->head, &chan->nvsw.flip);
235 spin_unlock_irqrestore(&dev->event_lock, flags);
236
237 /* Synchronize with the old framebuffer */
238 ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan);
239 if (ret)
240 goto fail;
241
242 /* Emit the pageflip */
243 ret = RING_SPACE(chan, 2);
244 if (ret)
245 goto fail;
246
247 if (dev_priv->card_type < NV_C0)
248 BEGIN_RING(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
249 else
250 BEGIN_NVC0(chan, 2, NvSubM2MF, 0x0500, 1);
251 OUT_RING (chan, 0);
252 FIRE_RING (chan);
253
254 ret = nouveau_fence_new(chan, pfence, true);
255 if (ret)
256 goto fail;
257
258 return 0;
259fail:
260 spin_lock_irqsave(&dev->event_lock, flags);
261 list_del(&s->head);
262 spin_unlock_irqrestore(&dev->event_lock, flags);
263 return ret;
264}
265
266int
267nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
268 struct drm_pending_vblank_event *event)
269{
270 struct drm_device *dev = crtc->dev;
271 struct drm_nouveau_private *dev_priv = dev->dev_private;
272 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->fb)->nvbo;
273 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
274 struct nouveau_page_flip_state *s;
275 struct nouveau_channel *chan;
276 struct nouveau_fence *fence;
277 int ret;
278
279 if (!dev_priv->channel)
280 return -ENODEV;
281
282 s = kzalloc(sizeof(*s), GFP_KERNEL);
283 if (!s)
284 return -ENOMEM;
285
286 /* Don't let the buffers go away while we flip */
287 ret = nouveau_page_flip_reserve(old_bo, new_bo);
288 if (ret)
289 goto fail_free;
290
291 /* Initialize a page flip struct */
292 *s = (struct nouveau_page_flip_state)
293 { { }, event, nouveau_crtc(crtc)->index,
294 fb->bits_per_pixel, fb->pitch, crtc->x, crtc->y,
295 new_bo->bo.offset };
296
297 /* Choose the channel the flip will be handled in */
298 chan = nouveau_fence_channel(new_bo->bo.sync_obj);
299 if (!chan)
300 chan = nouveau_channel_get_unlocked(dev_priv->channel);
301 mutex_lock(&chan->mutex);
302
303 /* Emit a page flip */
304 if (dev_priv->card_type >= NV_50) {
305 ret = nv50_display_flip_next(crtc, fb, chan);
306 if (ret) {
307 nouveau_channel_put(&chan);
308 goto fail_unreserve;
309 }
310 }
311
312 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
313 nouveau_channel_put(&chan);
314 if (ret)
315 goto fail_unreserve;
316
317 /* Update the crtc struct and cleanup */
318 crtc->fb = fb;
319
320 nouveau_page_flip_unreserve(old_bo, new_bo, fence);
321 nouveau_fence_unref(&fence);
322 return 0;
323
324fail_unreserve:
325 nouveau_page_flip_unreserve(old_bo, new_bo, NULL);
326fail_free:
327 kfree(s);
328 return ret;
329}
330
331int
332nouveau_finish_page_flip(struct nouveau_channel *chan,
333 struct nouveau_page_flip_state *ps)
334{
335 struct drm_device *dev = chan->dev;
336 struct nouveau_page_flip_state *s;
337 unsigned long flags;
338
339 spin_lock_irqsave(&dev->event_lock, flags);
340
341 if (list_empty(&chan->nvsw.flip)) {
342 NV_ERROR(dev, "Unexpected pageflip in channel %d.\n", chan->id);
343 spin_unlock_irqrestore(&dev->event_lock, flags);
344 return -EINVAL;
345 }
346
347 s = list_first_entry(&chan->nvsw.flip,
348 struct nouveau_page_flip_state, head);
349 if (s->event) {
350 struct drm_pending_vblank_event *e = s->event;
351 struct timeval now;
352
353 do_gettimeofday(&now);
354 e->event.sequence = 0;
355 e->event.tv_sec = now.tv_sec;
356 e->event.tv_usec = now.tv_usec;
357 list_add_tail(&e->base.link, &e->base.file_priv->event_list);
358 wake_up_interruptible(&e->base.file_priv->event_wait);
359 }
360
361 list_del(&s->head);
362 if (ps)
363 *ps = *s;
364 kfree(s);
365
366 spin_unlock_irqrestore(&dev->event_lock, flags);
367 return 0;
368}
1/*
2 * Copyright (C) 2008 Maarten Maathuis.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27#include <acpi/video.h>
28
29#include <drm/drm_atomic.h>
30#include <drm/drm_atomic_helper.h>
31#include <drm/drm_crtc_helper.h>
32#include <drm/drm_fb_helper.h>
33#include <drm/drm_fourcc.h>
34#include <drm/drm_gem_framebuffer_helper.h>
35#include <drm/drm_probe_helper.h>
36#include <drm/drm_vblank.h>
37
38#include "nouveau_fbcon.h"
39#include "nouveau_crtc.h"
40#include "nouveau_gem.h"
41#include "nouveau_connector.h"
42#include "nv50_display.h"
43
44#include <nvif/class.h>
45#include <nvif/cl0046.h>
46#include <nvif/event.h>
47#include <dispnv50/crc.h>
48
49int
50nouveau_display_vblank_enable(struct drm_crtc *crtc)
51{
52 struct nouveau_crtc *nv_crtc;
53
54 nv_crtc = nouveau_crtc(crtc);
55 nvif_notify_get(&nv_crtc->vblank);
56
57 return 0;
58}
59
60void
61nouveau_display_vblank_disable(struct drm_crtc *crtc)
62{
63 struct nouveau_crtc *nv_crtc;
64
65 nv_crtc = nouveau_crtc(crtc);
66 nvif_notify_put(&nv_crtc->vblank);
67}
68
69static inline int
70calc(int blanks, int blanke, int total, int line)
71{
72 if (blanke >= blanks) {
73 if (line >= blanks)
74 line -= total;
75 } else {
76 if (line >= blanks)
77 line -= total;
78 line -= blanke + 1;
79 }
80 return line;
81}
82
83static bool
84nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
85 ktime_t *stime, ktime_t *etime)
86{
87 struct {
88 struct nv04_disp_mthd_v0 base;
89 struct nv04_disp_scanoutpos_v0 scan;
90 } args = {
91 .base.method = NV04_DISP_SCANOUTPOS,
92 .base.head = nouveau_crtc(crtc)->index,
93 };
94 struct nouveau_display *disp = nouveau_display(crtc->dev);
95 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
96 int retry = 20;
97 bool ret = false;
98
99 do {
100 ret = nvif_mthd(&disp->disp.object, 0, &args, sizeof(args));
101 if (ret != 0)
102 return false;
103
104 if (args.scan.vline) {
105 ret = true;
106 break;
107 }
108
109 if (retry) ndelay(vblank->linedur_ns);
110 } while (retry--);
111
112 *hpos = args.scan.hline;
113 *vpos = calc(args.scan.vblanks, args.scan.vblanke,
114 args.scan.vtotal, args.scan.vline);
115 if (stime) *stime = ns_to_ktime(args.scan.time[0]);
116 if (etime) *etime = ns_to_ktime(args.scan.time[1]);
117
118 return ret;
119}
120
121bool
122nouveau_display_scanoutpos(struct drm_crtc *crtc,
123 bool in_vblank_irq, int *vpos, int *hpos,
124 ktime_t *stime, ktime_t *etime,
125 const struct drm_display_mode *mode)
126{
127 return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
128 stime, etime);
129}
130
131static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
132 .destroy = drm_gem_fb_destroy,
133 .create_handle = drm_gem_fb_create_handle,
134};
135
136static void
137nouveau_decode_mod(struct nouveau_drm *drm,
138 uint64_t modifier,
139 uint32_t *tile_mode,
140 uint8_t *kind)
141{
142 struct nouveau_display *disp = nouveau_display(drm->dev);
143 BUG_ON(!tile_mode || !kind);
144
145 if (modifier == DRM_FORMAT_MOD_LINEAR) {
146 /* tile_mode will not be used in this case */
147 *tile_mode = 0;
148 *kind = 0;
149 } else {
150 /*
151 * Extract the block height and kind from the corresponding
152 * modifier fields. See drm_fourcc.h for details.
153 */
154
155 if ((modifier & (0xffull << 12)) == 0ull) {
156 /* Legacy modifier. Translate to this dev's 'kind.' */
157 modifier |= disp->format_modifiers[0] & (0xffull << 12);
158 }
159
160 *tile_mode = (uint32_t)(modifier & 0xF);
161 *kind = (uint8_t)((modifier >> 12) & 0xFF);
162
163 if (drm->client.device.info.chipset >= 0xc0)
164 *tile_mode <<= 4;
165 }
166}
167
168void
169nouveau_framebuffer_get_layout(struct drm_framebuffer *fb,
170 uint32_t *tile_mode,
171 uint8_t *kind)
172{
173 if (fb->flags & DRM_MODE_FB_MODIFIERS) {
174 struct nouveau_drm *drm = nouveau_drm(fb->dev);
175
176 nouveau_decode_mod(drm, fb->modifier, tile_mode, kind);
177 } else {
178 const struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]);
179
180 *tile_mode = nvbo->mode;
181 *kind = nvbo->kind;
182 }
183}
184
185static const u64 legacy_modifiers[] = {
186 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(0),
187 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(1),
188 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(2),
189 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(3),
190 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(4),
191 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(5),
192 DRM_FORMAT_MOD_INVALID
193};
194
195static int
196nouveau_validate_decode_mod(struct nouveau_drm *drm,
197 uint64_t modifier,
198 uint32_t *tile_mode,
199 uint8_t *kind)
200{
201 struct nouveau_display *disp = nouveau_display(drm->dev);
202 int mod;
203
204 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
205 return -EINVAL;
206 }
207
208 BUG_ON(!disp->format_modifiers);
209
210 for (mod = 0;
211 (disp->format_modifiers[mod] != DRM_FORMAT_MOD_INVALID) &&
212 (disp->format_modifiers[mod] != modifier);
213 mod++);
214
215 if (disp->format_modifiers[mod] == DRM_FORMAT_MOD_INVALID) {
216 for (mod = 0;
217 (legacy_modifiers[mod] != DRM_FORMAT_MOD_INVALID) &&
218 (legacy_modifiers[mod] != modifier);
219 mod++);
220 if (legacy_modifiers[mod] == DRM_FORMAT_MOD_INVALID)
221 return -EINVAL;
222 }
223
224 nouveau_decode_mod(drm, modifier, tile_mode, kind);
225
226 return 0;
227}
228
229static inline uint32_t
230nouveau_get_width_in_blocks(uint32_t stride)
231{
232 /* GOBs per block in the x direction is always one, and GOBs are
233 * 64 bytes wide
234 */
235 static const uint32_t log_block_width = 6;
236
237 return (stride + (1 << log_block_width) - 1) >> log_block_width;
238}
239
240static inline uint32_t
241nouveau_get_height_in_blocks(struct nouveau_drm *drm,
242 uint32_t height,
243 uint32_t log_block_height_in_gobs)
244{
245 uint32_t log_gob_height;
246 uint32_t log_block_height;
247
248 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA);
249
250 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI)
251 log_gob_height = 2;
252 else
253 log_gob_height = 3;
254
255 log_block_height = log_block_height_in_gobs + log_gob_height;
256
257 return (height + (1 << log_block_height) - 1) >> log_block_height;
258}
259
260static int
261nouveau_check_bl_size(struct nouveau_drm *drm, struct nouveau_bo *nvbo,
262 uint32_t offset, uint32_t stride, uint32_t h,
263 uint32_t tile_mode)
264{
265 uint32_t gob_size, bw, bh;
266 uint64_t bl_size;
267
268 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA);
269
270 if (drm->client.device.info.chipset >= 0xc0) {
271 if (tile_mode & 0xF)
272 return -EINVAL;
273 tile_mode >>= 4;
274 }
275
276 if (tile_mode & 0xFFFFFFF0)
277 return -EINVAL;
278
279 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI)
280 gob_size = 256;
281 else
282 gob_size = 512;
283
284 bw = nouveau_get_width_in_blocks(stride);
285 bh = nouveau_get_height_in_blocks(drm, h, tile_mode);
286
287 bl_size = bw * bh * (1 << tile_mode) * gob_size;
288
289 DRM_DEBUG_KMS("offset=%u stride=%u h=%u tile_mode=0x%02x bw=%u bh=%u gob_size=%u bl_size=%llu size=%lu\n",
290 offset, stride, h, tile_mode, bw, bh, gob_size, bl_size,
291 nvbo->bo.mem.size);
292
293 if (bl_size + offset > nvbo->bo.mem.size)
294 return -ERANGE;
295
296 return 0;
297}
298
299int
300nouveau_framebuffer_new(struct drm_device *dev,
301 const struct drm_mode_fb_cmd2 *mode_cmd,
302 struct drm_gem_object *gem,
303 struct drm_framebuffer **pfb)
304{
305 struct nouveau_drm *drm = nouveau_drm(dev);
306 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
307 struct drm_framebuffer *fb;
308 const struct drm_format_info *info;
309 unsigned int width, height, i;
310 uint32_t tile_mode;
311 uint8_t kind;
312 int ret;
313
314 /* YUV overlays have special requirements pre-NV50 */
315 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA &&
316
317 (mode_cmd->pixel_format == DRM_FORMAT_YUYV ||
318 mode_cmd->pixel_format == DRM_FORMAT_UYVY ||
319 mode_cmd->pixel_format == DRM_FORMAT_NV12 ||
320 mode_cmd->pixel_format == DRM_FORMAT_NV21) &&
321 (mode_cmd->pitches[0] & 0x3f || /* align 64 */
322 mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */
323 (mode_cmd->pitches[1] && /* pitches for planes must match */
324 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) {
325 struct drm_format_name_buf format_name;
326 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n",
327 drm_get_format_name(mode_cmd->pixel_format,
328 &format_name),
329 mode_cmd->pitches[0],
330 mode_cmd->pitches[1]);
331 return -EINVAL;
332 }
333
334 if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) {
335 if (nouveau_validate_decode_mod(drm, mode_cmd->modifier[0],
336 &tile_mode, &kind)) {
337 DRM_DEBUG_KMS("Unsupported modifier: 0x%llx\n",
338 mode_cmd->modifier[0]);
339 return -EINVAL;
340 }
341 } else {
342 tile_mode = nvbo->mode;
343 kind = nvbo->kind;
344 }
345
346 info = drm_get_format_info(dev, mode_cmd);
347
348 for (i = 0; i < info->num_planes; i++) {
349 width = drm_format_info_plane_width(info,
350 mode_cmd->width,
351 i);
352 height = drm_format_info_plane_height(info,
353 mode_cmd->height,
354 i);
355
356 if (kind) {
357 ret = nouveau_check_bl_size(drm, nvbo,
358 mode_cmd->offsets[i],
359 mode_cmd->pitches[i],
360 height, tile_mode);
361 if (ret)
362 return ret;
363 } else {
364 uint32_t size = mode_cmd->pitches[i] * height;
365
366 if (size + mode_cmd->offsets[i] > nvbo->bo.mem.size)
367 return -ERANGE;
368 }
369 }
370
371 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
372 return -ENOMEM;
373
374 drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd);
375 fb->obj[0] = gem;
376
377 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
378 if (ret)
379 kfree(fb);
380 return ret;
381}
382
383struct drm_framebuffer *
384nouveau_user_framebuffer_create(struct drm_device *dev,
385 struct drm_file *file_priv,
386 const struct drm_mode_fb_cmd2 *mode_cmd)
387{
388 struct drm_framebuffer *fb;
389 struct drm_gem_object *gem;
390 int ret;
391
392 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
393 if (!gem)
394 return ERR_PTR(-ENOENT);
395
396 ret = nouveau_framebuffer_new(dev, mode_cmd, gem, &fb);
397 if (ret == 0)
398 return fb;
399
400 drm_gem_object_put(gem);
401 return ERR_PTR(ret);
402}
403
404static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
405 .fb_create = nouveau_user_framebuffer_create,
406 .output_poll_changed = nouveau_fbcon_output_poll_changed,
407};
408
409
410struct nouveau_drm_prop_enum_list {
411 u8 gen_mask;
412 int type;
413 char *name;
414};
415
416static struct nouveau_drm_prop_enum_list underscan[] = {
417 { 6, UNDERSCAN_AUTO, "auto" },
418 { 6, UNDERSCAN_OFF, "off" },
419 { 6, UNDERSCAN_ON, "on" },
420 {}
421};
422
423static struct nouveau_drm_prop_enum_list dither_mode[] = {
424 { 7, DITHERING_MODE_AUTO, "auto" },
425 { 7, DITHERING_MODE_OFF, "off" },
426 { 1, DITHERING_MODE_ON, "on" },
427 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
428 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
429 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
430 {}
431};
432
433static struct nouveau_drm_prop_enum_list dither_depth[] = {
434 { 6, DITHERING_DEPTH_AUTO, "auto" },
435 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
436 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
437 {}
438};
439
440#define PROP_ENUM(p,gen,n,list) do { \
441 struct nouveau_drm_prop_enum_list *l = (list); \
442 int c = 0; \
443 while (l->gen_mask) { \
444 if (l->gen_mask & (1 << (gen))) \
445 c++; \
446 l++; \
447 } \
448 if (c) { \
449 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
450 l = (list); \
451 while (p && l->gen_mask) { \
452 if (l->gen_mask & (1 << (gen))) { \
453 drm_property_add_enum(p, l->type, l->name); \
454 } \
455 l++; \
456 } \
457 } \
458} while(0)
459
460static void
461nouveau_display_hpd_work(struct work_struct *work)
462{
463 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
464
465 pm_runtime_get_sync(drm->dev->dev);
466
467 drm_helper_hpd_irq_event(drm->dev);
468
469 pm_runtime_mark_last_busy(drm->dev->dev);
470 pm_runtime_put_sync(drm->dev->dev);
471}
472
473#ifdef CONFIG_ACPI
474
475static int
476nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
477 void *data)
478{
479 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
480 struct acpi_bus_event *info = data;
481 int ret;
482
483 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
484 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
485 ret = pm_runtime_get(drm->dev->dev);
486 if (ret == 1 || ret == -EACCES) {
487 /* If the GPU is already awake, or in a state
488 * where we can't wake it up, it can handle
489 * it's own hotplug events.
490 */
491 pm_runtime_put_autosuspend(drm->dev->dev);
492 } else if (ret == 0) {
493 /* This may be the only indication we receive
494 * of a connector hotplug on a runtime
495 * suspended GPU, schedule hpd_work to check.
496 */
497 NV_DEBUG(drm, "ACPI requested connector reprobe\n");
498 schedule_work(&drm->hpd_work);
499 pm_runtime_put_noidle(drm->dev->dev);
500 } else {
501 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n",
502 ret);
503 }
504
505 /* acpi-video should not generate keypresses for this */
506 return NOTIFY_BAD;
507 }
508 }
509
510 return NOTIFY_DONE;
511}
512#endif
513
514int
515nouveau_display_init(struct drm_device *dev, bool resume, bool runtime)
516{
517 struct nouveau_display *disp = nouveau_display(dev);
518 struct drm_connector *connector;
519 struct drm_connector_list_iter conn_iter;
520 int ret;
521
522 /*
523 * Enable hotplug interrupts (done as early as possible, since we need
524 * them for MST)
525 */
526 drm_connector_list_iter_begin(dev, &conn_iter);
527 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
528 struct nouveau_connector *conn = nouveau_connector(connector);
529 nvif_notify_get(&conn->hpd);
530 }
531 drm_connector_list_iter_end(&conn_iter);
532
533 ret = disp->init(dev, resume, runtime);
534 if (ret)
535 return ret;
536
537 /* enable connector detection and polling for connectors without HPD
538 * support
539 */
540 drm_kms_helper_poll_enable(dev);
541
542 return ret;
543}
544
545void
546nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime)
547{
548 struct nouveau_display *disp = nouveau_display(dev);
549 struct nouveau_drm *drm = nouveau_drm(dev);
550 struct drm_connector *connector;
551 struct drm_connector_list_iter conn_iter;
552
553 if (!suspend) {
554 if (drm_drv_uses_atomic_modeset(dev))
555 drm_atomic_helper_shutdown(dev);
556 else
557 drm_helper_force_disable_all(dev);
558 }
559
560 /* disable hotplug interrupts */
561 drm_connector_list_iter_begin(dev, &conn_iter);
562 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
563 struct nouveau_connector *conn = nouveau_connector(connector);
564 nvif_notify_put(&conn->hpd);
565 }
566 drm_connector_list_iter_end(&conn_iter);
567
568 if (!runtime)
569 cancel_work_sync(&drm->hpd_work);
570
571 drm_kms_helper_poll_disable(dev);
572 disp->fini(dev, suspend);
573}
574
575static void
576nouveau_display_create_properties(struct drm_device *dev)
577{
578 struct nouveau_display *disp = nouveau_display(dev);
579 int gen;
580
581 if (disp->disp.object.oclass < NV50_DISP)
582 gen = 0;
583 else
584 if (disp->disp.object.oclass < GF110_DISP)
585 gen = 1;
586 else
587 gen = 2;
588
589 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
590 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
591 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
592
593 disp->underscan_hborder_property =
594 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
595
596 disp->underscan_vborder_property =
597 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
598
599 if (gen < 1)
600 return;
601
602 /* -90..+90 */
603 disp->vibrant_hue_property =
604 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
605
606 /* -100..+100 */
607 disp->color_vibrance_property =
608 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
609}
610
611int
612nouveau_display_create(struct drm_device *dev)
613{
614 struct nouveau_drm *drm = nouveau_drm(dev);
615 struct nvkm_device *device = nvxx_device(&drm->client.device);
616 struct nouveau_display *disp;
617 int ret;
618
619 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
620 if (!disp)
621 return -ENOMEM;
622
623 drm_mode_config_init(dev);
624 drm_mode_create_scaling_mode_property(dev);
625 drm_mode_create_dvi_i_properties(dev);
626
627 dev->mode_config.funcs = &nouveau_mode_config_funcs;
628 dev->mode_config.fb_base = device->func->resource_addr(device, 1);
629
630 dev->mode_config.min_width = 0;
631 dev->mode_config.min_height = 0;
632 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
633 dev->mode_config.max_width = 2048;
634 dev->mode_config.max_height = 2048;
635 } else
636 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
637 dev->mode_config.max_width = 4096;
638 dev->mode_config.max_height = 4096;
639 } else
640 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
641 dev->mode_config.max_width = 8192;
642 dev->mode_config.max_height = 8192;
643 } else {
644 dev->mode_config.max_width = 16384;
645 dev->mode_config.max_height = 16384;
646 }
647
648 dev->mode_config.preferred_depth = 24;
649 dev->mode_config.prefer_shadow = 1;
650 dev->mode_config.allow_fb_modifiers = true;
651
652 if (drm->client.device.info.chipset < 0x11)
653 dev->mode_config.async_page_flip = false;
654 else
655 dev->mode_config.async_page_flip = true;
656
657 drm_kms_helper_poll_init(dev);
658 drm_kms_helper_poll_disable(dev);
659
660 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
661 ret = nvif_disp_ctor(&drm->client.device, "kmsDisp", 0,
662 &disp->disp);
663 if (ret == 0) {
664 nouveau_display_create_properties(dev);
665 if (disp->disp.object.oclass < NV50_DISP)
666 ret = nv04_display_create(dev);
667 else
668 ret = nv50_display_create(dev);
669 }
670 } else {
671 ret = 0;
672 }
673
674 if (ret)
675 goto disp_create_err;
676
677 drm_mode_config_reset(dev);
678
679 if (dev->mode_config.num_crtc) {
680 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
681 if (ret)
682 goto vblank_err;
683
684 if (disp->disp.object.oclass >= NV50_DISP)
685 nv50_crc_init(dev);
686 }
687
688 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
689#ifdef CONFIG_ACPI
690 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
691 register_acpi_notifier(&drm->acpi_nb);
692#endif
693
694 return 0;
695
696vblank_err:
697 disp->dtor(dev);
698disp_create_err:
699 drm_kms_helper_poll_fini(dev);
700 drm_mode_config_cleanup(dev);
701 return ret;
702}
703
704void
705nouveau_display_destroy(struct drm_device *dev)
706{
707 struct nouveau_display *disp = nouveau_display(dev);
708
709#ifdef CONFIG_ACPI
710 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb);
711#endif
712
713 drm_kms_helper_poll_fini(dev);
714 drm_mode_config_cleanup(dev);
715
716 if (disp->dtor)
717 disp->dtor(dev);
718
719 nvif_disp_dtor(&disp->disp);
720
721 nouveau_drm(dev)->display = NULL;
722 kfree(disp);
723}
724
725int
726nouveau_display_suspend(struct drm_device *dev, bool runtime)
727{
728 struct nouveau_display *disp = nouveau_display(dev);
729
730 if (drm_drv_uses_atomic_modeset(dev)) {
731 if (!runtime) {
732 disp->suspend = drm_atomic_helper_suspend(dev);
733 if (IS_ERR(disp->suspend)) {
734 int ret = PTR_ERR(disp->suspend);
735 disp->suspend = NULL;
736 return ret;
737 }
738 }
739 }
740
741 nouveau_display_fini(dev, true, runtime);
742 return 0;
743}
744
745void
746nouveau_display_resume(struct drm_device *dev, bool runtime)
747{
748 struct nouveau_display *disp = nouveau_display(dev);
749
750 nouveau_display_init(dev, true, runtime);
751
752 if (drm_drv_uses_atomic_modeset(dev)) {
753 if (disp->suspend) {
754 drm_atomic_helper_resume(dev, disp->suspend);
755 disp->suspend = NULL;
756 }
757 return;
758 }
759}
760
761int
762nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
763 struct drm_mode_create_dumb *args)
764{
765 struct nouveau_cli *cli = nouveau_cli(file_priv);
766 struct nouveau_bo *bo;
767 uint32_t domain;
768 int ret;
769
770 args->pitch = roundup(args->width * (args->bpp / 8), 256);
771 args->size = args->pitch * args->height;
772 args->size = roundup(args->size, PAGE_SIZE);
773
774 /* Use VRAM if there is any ; otherwise fallback to system memory */
775 if (nouveau_drm(dev)->client.device.info.ram_size != 0)
776 domain = NOUVEAU_GEM_DOMAIN_VRAM;
777 else
778 domain = NOUVEAU_GEM_DOMAIN_GART;
779
780 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
781 if (ret)
782 return ret;
783
784 ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle);
785 drm_gem_object_put(&bo->bo.base);
786 return ret;
787}
788
789int
790nouveau_display_dumb_map_offset(struct drm_file *file_priv,
791 struct drm_device *dev,
792 uint32_t handle, uint64_t *poffset)
793{
794 struct drm_gem_object *gem;
795
796 gem = drm_gem_object_lookup(file_priv, handle);
797 if (gem) {
798 struct nouveau_bo *bo = nouveau_gem_object(gem);
799 *poffset = drm_vma_node_offset_addr(&bo->bo.base.vma_node);
800 drm_gem_object_put(gem);
801 return 0;
802 }
803
804 return -ENOENT;
805}