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d38ceaf9 AD |
1 | /* |
2 | * Copyright 2007-8 Advanced Micro Devices, Inc. | |
3 | * Copyright 2008 Red Hat Inc. | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining a | |
6 | * copy of this software and associated documentation files (the "Software"), | |
7 | * to deal in the Software without restriction, including without limitation | |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
9 | * and/or sell copies of the Software, and to permit persons to whom the | |
10 | * Software is furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice shall be included in | |
13 | * all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
19 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
21 | * OTHER DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: Dave Airlie | |
24 | * Alex Deucher | |
25 | */ | |
26 | #include <drm/drmP.h> | |
27 | #include <drm/amdgpu_drm.h> | |
28 | #include "amdgpu.h" | |
29 | #include "amdgpu_i2c.h" | |
30 | #include "atom.h" | |
31 | #include "amdgpu_connectors.h" | |
32 | #include <asm/div64.h> | |
33 | ||
34 | #include <linux/pm_runtime.h> | |
35 | #include <drm/drm_crtc_helper.h> | |
36 | #include <drm/drm_edid.h> | |
37 | ||
1ffd2652 CK |
38 | static void amdgpu_flip_wait_fence(struct amdgpu_device *adev, |
39 | struct fence **f) | |
40 | { | |
41 | struct amdgpu_fence *fence; | |
42 | long r; | |
43 | ||
44 | if (*f == NULL) | |
45 | return; | |
46 | ||
47 | fence = to_amdgpu_fence(*f); | |
48 | if (fence) { | |
49 | r = fence_wait(&fence->base, false); | |
50 | if (r == -EDEADLK) { | |
51 | up_read(&adev->exclusive_lock); | |
52 | r = amdgpu_gpu_reset(adev); | |
53 | down_read(&adev->exclusive_lock); | |
54 | } | |
55 | } else | |
56 | r = fence_wait(*f, false); | |
57 | ||
58 | if (r) | |
59 | DRM_ERROR("failed to wait on page flip fence (%ld)!\n", r); | |
60 | ||
61 | /* We continue with the page flip even if we failed to wait on | |
62 | * the fence, otherwise the DRM core and userspace will be | |
63 | * confused about which BO the CRTC is scanning out | |
64 | */ | |
65 | fence_put(*f); | |
66 | *f = NULL; | |
67 | } | |
d38ceaf9 AD |
68 | |
69 | static void amdgpu_flip_work_func(struct work_struct *__work) | |
70 | { | |
71 | struct amdgpu_flip_work *work = | |
72 | container_of(__work, struct amdgpu_flip_work, flip_work); | |
73 | struct amdgpu_device *adev = work->adev; | |
74 | struct amdgpu_crtc *amdgpuCrtc = adev->mode_info.crtcs[work->crtc_id]; | |
75 | ||
76 | struct drm_crtc *crtc = &amdgpuCrtc->base; | |
d38ceaf9 | 77 | unsigned long flags; |
1ffd2652 | 78 | unsigned i; |
d38ceaf9 AD |
79 | |
80 | down_read(&adev->exclusive_lock); | |
1ffd2652 CK |
81 | amdgpu_flip_wait_fence(adev, &work->excl); |
82 | for (i = 0; i < work->shared_count; ++i) | |
83 | amdgpu_flip_wait_fence(adev, &work->shared[i]); | |
d38ceaf9 AD |
84 | |
85 | /* We borrow the event spin lock for protecting flip_status */ | |
86 | spin_lock_irqsave(&crtc->dev->event_lock, flags); | |
87 | ||
d38ceaf9 AD |
88 | /* do the flip (mmio) */ |
89 | adev->mode_info.funcs->page_flip(adev, work->crtc_id, work->base); | |
90 | /* set the flip status */ | |
91 | amdgpuCrtc->pflip_status = AMDGPU_FLIP_SUBMITTED; | |
92 | ||
93 | spin_unlock_irqrestore(&crtc->dev->event_lock, flags); | |
94 | up_read(&adev->exclusive_lock); | |
95 | } | |
96 | ||
97 | /* | |
98 | * Handle unpin events outside the interrupt handler proper. | |
99 | */ | |
100 | static void amdgpu_unpin_work_func(struct work_struct *__work) | |
101 | { | |
102 | struct amdgpu_flip_work *work = | |
103 | container_of(__work, struct amdgpu_flip_work, unpin_work); | |
104 | int r; | |
105 | ||
106 | /* unpin of the old buffer */ | |
107 | r = amdgpu_bo_reserve(work->old_rbo, false); | |
108 | if (likely(r == 0)) { | |
109 | r = amdgpu_bo_unpin(work->old_rbo); | |
110 | if (unlikely(r != 0)) { | |
111 | DRM_ERROR("failed to unpin buffer after flip\n"); | |
112 | } | |
113 | amdgpu_bo_unreserve(work->old_rbo); | |
114 | } else | |
115 | DRM_ERROR("failed to reserve buffer after flip\n"); | |
116 | ||
117 | drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base); | |
1ffd2652 | 118 | kfree(work->shared); |
d38ceaf9 AD |
119 | kfree(work); |
120 | } | |
121 | ||
122 | int amdgpu_crtc_page_flip(struct drm_crtc *crtc, | |
123 | struct drm_framebuffer *fb, | |
124 | struct drm_pending_vblank_event *event, | |
125 | uint32_t page_flip_flags) | |
126 | { | |
127 | struct drm_device *dev = crtc->dev; | |
128 | struct amdgpu_device *adev = dev->dev_private; | |
129 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); | |
130 | struct amdgpu_framebuffer *old_amdgpu_fb; | |
131 | struct amdgpu_framebuffer *new_amdgpu_fb; | |
132 | struct drm_gem_object *obj; | |
133 | struct amdgpu_flip_work *work; | |
134 | struct amdgpu_bo *new_rbo; | |
135 | unsigned long flags; | |
136 | u64 tiling_flags; | |
137 | u64 base; | |
1ffd2652 | 138 | int i, r; |
d38ceaf9 AD |
139 | |
140 | work = kzalloc(sizeof *work, GFP_KERNEL); | |
141 | if (work == NULL) | |
142 | return -ENOMEM; | |
143 | ||
144 | INIT_WORK(&work->flip_work, amdgpu_flip_work_func); | |
145 | INIT_WORK(&work->unpin_work, amdgpu_unpin_work_func); | |
146 | ||
147 | work->event = event; | |
148 | work->adev = adev; | |
149 | work->crtc_id = amdgpu_crtc->crtc_id; | |
150 | ||
151 | /* schedule unpin of the old buffer */ | |
152 | old_amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb); | |
153 | obj = old_amdgpu_fb->obj; | |
154 | ||
155 | /* take a reference to the old object */ | |
156 | drm_gem_object_reference(obj); | |
157 | work->old_rbo = gem_to_amdgpu_bo(obj); | |
158 | ||
159 | new_amdgpu_fb = to_amdgpu_framebuffer(fb); | |
160 | obj = new_amdgpu_fb->obj; | |
161 | new_rbo = gem_to_amdgpu_bo(obj); | |
162 | ||
163 | /* pin the new buffer */ | |
164 | r = amdgpu_bo_reserve(new_rbo, false); | |
165 | if (unlikely(r != 0)) { | |
166 | DRM_ERROR("failed to reserve new rbo buffer before flip\n"); | |
167 | goto cleanup; | |
168 | } | |
169 | ||
7e5a547f | 170 | r = amdgpu_bo_pin_restricted(new_rbo, AMDGPU_GEM_DOMAIN_VRAM, 0, 0, &base); |
d38ceaf9 AD |
171 | if (unlikely(r != 0)) { |
172 | amdgpu_bo_unreserve(new_rbo); | |
173 | r = -EINVAL; | |
174 | DRM_ERROR("failed to pin new rbo buffer before flip\n"); | |
175 | goto cleanup; | |
176 | } | |
177 | ||
1ffd2652 CK |
178 | r = reservation_object_get_fences_rcu(new_rbo->tbo.resv, &work->excl, |
179 | &work->shared_count, | |
180 | &work->shared); | |
181 | if (unlikely(r != 0)) { | |
182 | amdgpu_bo_unreserve(new_rbo); | |
183 | DRM_ERROR("failed to get fences for buffer\n"); | |
184 | goto cleanup; | |
185 | } | |
186 | ||
187 | fence_get(work->excl); | |
188 | for (i = 0; i < work->shared_count; ++i) | |
189 | fence_get(work->shared[i]); | |
190 | ||
d38ceaf9 AD |
191 | amdgpu_bo_get_tiling_flags(new_rbo, &tiling_flags); |
192 | amdgpu_bo_unreserve(new_rbo); | |
193 | ||
194 | work->base = base; | |
195 | ||
196 | r = drm_vblank_get(crtc->dev, amdgpu_crtc->crtc_id); | |
197 | if (r) { | |
198 | DRM_ERROR("failed to get vblank before flip\n"); | |
199 | goto pflip_cleanup; | |
200 | } | |
201 | ||
202 | /* we borrow the event spin lock for protecting flip_wrok */ | |
203 | spin_lock_irqsave(&crtc->dev->event_lock, flags); | |
204 | if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_NONE) { | |
205 | DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); | |
206 | spin_unlock_irqrestore(&crtc->dev->event_lock, flags); | |
207 | r = -EBUSY; | |
208 | goto vblank_cleanup; | |
209 | } | |
210 | ||
211 | amdgpu_crtc->pflip_status = AMDGPU_FLIP_PENDING; | |
212 | amdgpu_crtc->pflip_works = work; | |
213 | ||
214 | /* update crtc fb */ | |
215 | crtc->primary->fb = fb; | |
216 | spin_unlock_irqrestore(&crtc->dev->event_lock, flags); | |
217 | queue_work(amdgpu_crtc->pflip_queue, &work->flip_work); | |
218 | return 0; | |
219 | ||
220 | vblank_cleanup: | |
221 | drm_vblank_put(crtc->dev, amdgpu_crtc->crtc_id); | |
222 | ||
223 | pflip_cleanup: | |
224 | if (unlikely(amdgpu_bo_reserve(new_rbo, false) != 0)) { | |
225 | DRM_ERROR("failed to reserve new rbo in error path\n"); | |
226 | goto cleanup; | |
227 | } | |
228 | if (unlikely(amdgpu_bo_unpin(new_rbo) != 0)) { | |
229 | DRM_ERROR("failed to unpin new rbo in error path\n"); | |
230 | } | |
231 | amdgpu_bo_unreserve(new_rbo); | |
232 | ||
233 | cleanup: | |
234 | drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base); | |
1ffd2652 CK |
235 | fence_put(work->excl); |
236 | for (i = 0; i < work->shared_count; ++i) | |
237 | fence_put(work->shared[i]); | |
238 | kfree(work->shared); | |
d38ceaf9 AD |
239 | kfree(work); |
240 | ||
241 | return r; | |
242 | } | |
243 | ||
244 | int amdgpu_crtc_set_config(struct drm_mode_set *set) | |
245 | { | |
246 | struct drm_device *dev; | |
247 | struct amdgpu_device *adev; | |
248 | struct drm_crtc *crtc; | |
249 | bool active = false; | |
250 | int ret; | |
251 | ||
252 | if (!set || !set->crtc) | |
253 | return -EINVAL; | |
254 | ||
255 | dev = set->crtc->dev; | |
256 | ||
257 | ret = pm_runtime_get_sync(dev->dev); | |
258 | if (ret < 0) | |
259 | return ret; | |
260 | ||
261 | ret = drm_crtc_helper_set_config(set); | |
262 | ||
263 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
264 | if (crtc->enabled) | |
265 | active = true; | |
266 | ||
267 | pm_runtime_mark_last_busy(dev->dev); | |
268 | ||
269 | adev = dev->dev_private; | |
270 | /* if we have active crtcs and we don't have a power ref, | |
271 | take the current one */ | |
272 | if (active && !adev->have_disp_power_ref) { | |
273 | adev->have_disp_power_ref = true; | |
274 | return ret; | |
275 | } | |
276 | /* if we have no active crtcs, then drop the power ref | |
277 | we got before */ | |
278 | if (!active && adev->have_disp_power_ref) { | |
279 | pm_runtime_put_autosuspend(dev->dev); | |
280 | adev->have_disp_power_ref = false; | |
281 | } | |
282 | ||
283 | /* drop the power reference we got coming in here */ | |
284 | pm_runtime_put_autosuspend(dev->dev); | |
285 | return ret; | |
286 | } | |
287 | ||
288 | static const char *encoder_names[38] = { | |
289 | "NONE", | |
290 | "INTERNAL_LVDS", | |
291 | "INTERNAL_TMDS1", | |
292 | "INTERNAL_TMDS2", | |
293 | "INTERNAL_DAC1", | |
294 | "INTERNAL_DAC2", | |
295 | "INTERNAL_SDVOA", | |
296 | "INTERNAL_SDVOB", | |
297 | "SI170B", | |
298 | "CH7303", | |
299 | "CH7301", | |
300 | "INTERNAL_DVO1", | |
301 | "EXTERNAL_SDVOA", | |
302 | "EXTERNAL_SDVOB", | |
303 | "TITFP513", | |
304 | "INTERNAL_LVTM1", | |
305 | "VT1623", | |
306 | "HDMI_SI1930", | |
307 | "HDMI_INTERNAL", | |
308 | "INTERNAL_KLDSCP_TMDS1", | |
309 | "INTERNAL_KLDSCP_DVO1", | |
310 | "INTERNAL_KLDSCP_DAC1", | |
311 | "INTERNAL_KLDSCP_DAC2", | |
312 | "SI178", | |
313 | "MVPU_FPGA", | |
314 | "INTERNAL_DDI", | |
315 | "VT1625", | |
316 | "HDMI_SI1932", | |
317 | "DP_AN9801", | |
318 | "DP_DP501", | |
319 | "INTERNAL_UNIPHY", | |
320 | "INTERNAL_KLDSCP_LVTMA", | |
321 | "INTERNAL_UNIPHY1", | |
322 | "INTERNAL_UNIPHY2", | |
323 | "NUTMEG", | |
324 | "TRAVIS", | |
325 | "INTERNAL_VCE", | |
326 | "INTERNAL_UNIPHY3", | |
327 | }; | |
328 | ||
329 | static const char *hpd_names[6] = { | |
330 | "HPD1", | |
331 | "HPD2", | |
332 | "HPD3", | |
333 | "HPD4", | |
334 | "HPD5", | |
335 | "HPD6", | |
336 | }; | |
337 | ||
338 | void amdgpu_print_display_setup(struct drm_device *dev) | |
339 | { | |
340 | struct drm_connector *connector; | |
341 | struct amdgpu_connector *amdgpu_connector; | |
342 | struct drm_encoder *encoder; | |
343 | struct amdgpu_encoder *amdgpu_encoder; | |
344 | uint32_t devices; | |
345 | int i = 0; | |
346 | ||
347 | DRM_INFO("AMDGPU Display Connectors\n"); | |
348 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
349 | amdgpu_connector = to_amdgpu_connector(connector); | |
350 | DRM_INFO("Connector %d:\n", i); | |
351 | DRM_INFO(" %s\n", connector->name); | |
352 | if (amdgpu_connector->hpd.hpd != AMDGPU_HPD_NONE) | |
353 | DRM_INFO(" %s\n", hpd_names[amdgpu_connector->hpd.hpd]); | |
354 | if (amdgpu_connector->ddc_bus) { | |
355 | DRM_INFO(" DDC: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", | |
356 | amdgpu_connector->ddc_bus->rec.mask_clk_reg, | |
357 | amdgpu_connector->ddc_bus->rec.mask_data_reg, | |
358 | amdgpu_connector->ddc_bus->rec.a_clk_reg, | |
359 | amdgpu_connector->ddc_bus->rec.a_data_reg, | |
360 | amdgpu_connector->ddc_bus->rec.en_clk_reg, | |
361 | amdgpu_connector->ddc_bus->rec.en_data_reg, | |
362 | amdgpu_connector->ddc_bus->rec.y_clk_reg, | |
363 | amdgpu_connector->ddc_bus->rec.y_data_reg); | |
364 | if (amdgpu_connector->router.ddc_valid) | |
365 | DRM_INFO(" DDC Router 0x%x/0x%x\n", | |
366 | amdgpu_connector->router.ddc_mux_control_pin, | |
367 | amdgpu_connector->router.ddc_mux_state); | |
368 | if (amdgpu_connector->router.cd_valid) | |
369 | DRM_INFO(" Clock/Data Router 0x%x/0x%x\n", | |
370 | amdgpu_connector->router.cd_mux_control_pin, | |
371 | amdgpu_connector->router.cd_mux_state); | |
372 | } else { | |
373 | if (connector->connector_type == DRM_MODE_CONNECTOR_VGA || | |
374 | connector->connector_type == DRM_MODE_CONNECTOR_DVII || | |
375 | connector->connector_type == DRM_MODE_CONNECTOR_DVID || | |
376 | connector->connector_type == DRM_MODE_CONNECTOR_DVIA || | |
377 | connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || | |
378 | connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) | |
379 | DRM_INFO(" DDC: no ddc bus - possible BIOS bug - please report to xorg-driver-ati@lists.x.org\n"); | |
380 | } | |
381 | DRM_INFO(" Encoders:\n"); | |
382 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | |
383 | amdgpu_encoder = to_amdgpu_encoder(encoder); | |
384 | devices = amdgpu_encoder->devices & amdgpu_connector->devices; | |
385 | if (devices) { | |
386 | if (devices & ATOM_DEVICE_CRT1_SUPPORT) | |
387 | DRM_INFO(" CRT1: %s\n", encoder_names[amdgpu_encoder->encoder_id]); | |
388 | if (devices & ATOM_DEVICE_CRT2_SUPPORT) | |
389 | DRM_INFO(" CRT2: %s\n", encoder_names[amdgpu_encoder->encoder_id]); | |
390 | if (devices & ATOM_DEVICE_LCD1_SUPPORT) | |
391 | DRM_INFO(" LCD1: %s\n", encoder_names[amdgpu_encoder->encoder_id]); | |
392 | if (devices & ATOM_DEVICE_DFP1_SUPPORT) | |
393 | DRM_INFO(" DFP1: %s\n", encoder_names[amdgpu_encoder->encoder_id]); | |
394 | if (devices & ATOM_DEVICE_DFP2_SUPPORT) | |
395 | DRM_INFO(" DFP2: %s\n", encoder_names[amdgpu_encoder->encoder_id]); | |
396 | if (devices & ATOM_DEVICE_DFP3_SUPPORT) | |
397 | DRM_INFO(" DFP3: %s\n", encoder_names[amdgpu_encoder->encoder_id]); | |
398 | if (devices & ATOM_DEVICE_DFP4_SUPPORT) | |
399 | DRM_INFO(" DFP4: %s\n", encoder_names[amdgpu_encoder->encoder_id]); | |
400 | if (devices & ATOM_DEVICE_DFP5_SUPPORT) | |
401 | DRM_INFO(" DFP5: %s\n", encoder_names[amdgpu_encoder->encoder_id]); | |
402 | if (devices & ATOM_DEVICE_DFP6_SUPPORT) | |
403 | DRM_INFO(" DFP6: %s\n", encoder_names[amdgpu_encoder->encoder_id]); | |
404 | if (devices & ATOM_DEVICE_TV1_SUPPORT) | |
405 | DRM_INFO(" TV1: %s\n", encoder_names[amdgpu_encoder->encoder_id]); | |
406 | if (devices & ATOM_DEVICE_CV_SUPPORT) | |
407 | DRM_INFO(" CV: %s\n", encoder_names[amdgpu_encoder->encoder_id]); | |
408 | } | |
409 | } | |
410 | i++; | |
411 | } | |
412 | } | |
413 | ||
414 | /** | |
415 | * amdgpu_ddc_probe | |
416 | * | |
417 | */ | |
418 | bool amdgpu_ddc_probe(struct amdgpu_connector *amdgpu_connector, | |
419 | bool use_aux) | |
420 | { | |
421 | u8 out = 0x0; | |
422 | u8 buf[8]; | |
423 | int ret; | |
424 | struct i2c_msg msgs[] = { | |
425 | { | |
426 | .addr = DDC_ADDR, | |
427 | .flags = 0, | |
428 | .len = 1, | |
429 | .buf = &out, | |
430 | }, | |
431 | { | |
432 | .addr = DDC_ADDR, | |
433 | .flags = I2C_M_RD, | |
434 | .len = 8, | |
435 | .buf = buf, | |
436 | } | |
437 | }; | |
438 | ||
439 | /* on hw with routers, select right port */ | |
440 | if (amdgpu_connector->router.ddc_valid) | |
441 | amdgpu_i2c_router_select_ddc_port(amdgpu_connector); | |
442 | ||
443 | if (use_aux) { | |
444 | ret = i2c_transfer(&amdgpu_connector->ddc_bus->aux.ddc, msgs, 2); | |
445 | } else { | |
446 | ret = i2c_transfer(&amdgpu_connector->ddc_bus->adapter, msgs, 2); | |
447 | } | |
448 | ||
449 | if (ret != 2) | |
450 | /* Couldn't find an accessible DDC on this connector */ | |
451 | return false; | |
452 | /* Probe also for valid EDID header | |
453 | * EDID header starts with: | |
454 | * 0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00. | |
455 | * Only the first 6 bytes must be valid as | |
456 | * drm_edid_block_valid() can fix the last 2 bytes */ | |
457 | if (drm_edid_header_is_valid(buf) < 6) { | |
458 | /* Couldn't find an accessible EDID on this | |
459 | * connector */ | |
460 | return false; | |
461 | } | |
462 | return true; | |
463 | } | |
464 | ||
465 | static void amdgpu_user_framebuffer_destroy(struct drm_framebuffer *fb) | |
466 | { | |
467 | struct amdgpu_framebuffer *amdgpu_fb = to_amdgpu_framebuffer(fb); | |
468 | ||
469 | if (amdgpu_fb->obj) { | |
470 | drm_gem_object_unreference_unlocked(amdgpu_fb->obj); | |
471 | } | |
472 | drm_framebuffer_cleanup(fb); | |
473 | kfree(amdgpu_fb); | |
474 | } | |
475 | ||
476 | static int amdgpu_user_framebuffer_create_handle(struct drm_framebuffer *fb, | |
477 | struct drm_file *file_priv, | |
478 | unsigned int *handle) | |
479 | { | |
480 | struct amdgpu_framebuffer *amdgpu_fb = to_amdgpu_framebuffer(fb); | |
481 | ||
482 | return drm_gem_handle_create(file_priv, amdgpu_fb->obj, handle); | |
483 | } | |
484 | ||
485 | static const struct drm_framebuffer_funcs amdgpu_fb_funcs = { | |
486 | .destroy = amdgpu_user_framebuffer_destroy, | |
487 | .create_handle = amdgpu_user_framebuffer_create_handle, | |
488 | }; | |
489 | ||
490 | int | |
491 | amdgpu_framebuffer_init(struct drm_device *dev, | |
492 | struct amdgpu_framebuffer *rfb, | |
493 | struct drm_mode_fb_cmd2 *mode_cmd, | |
494 | struct drm_gem_object *obj) | |
495 | { | |
496 | int ret; | |
497 | rfb->obj = obj; | |
498 | drm_helper_mode_fill_fb_struct(&rfb->base, mode_cmd); | |
499 | ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs); | |
500 | if (ret) { | |
501 | rfb->obj = NULL; | |
502 | return ret; | |
503 | } | |
504 | return 0; | |
505 | } | |
506 | ||
507 | static struct drm_framebuffer * | |
508 | amdgpu_user_framebuffer_create(struct drm_device *dev, | |
509 | struct drm_file *file_priv, | |
510 | struct drm_mode_fb_cmd2 *mode_cmd) | |
511 | { | |
512 | struct drm_gem_object *obj; | |
513 | struct amdgpu_framebuffer *amdgpu_fb; | |
514 | int ret; | |
515 | ||
516 | obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); | |
517 | if (obj == NULL) { | |
518 | dev_err(&dev->pdev->dev, "No GEM object associated to handle 0x%08X, " | |
519 | "can't create framebuffer\n", mode_cmd->handles[0]); | |
520 | return ERR_PTR(-ENOENT); | |
521 | } | |
522 | ||
523 | amdgpu_fb = kzalloc(sizeof(*amdgpu_fb), GFP_KERNEL); | |
524 | if (amdgpu_fb == NULL) { | |
525 | drm_gem_object_unreference_unlocked(obj); | |
526 | return ERR_PTR(-ENOMEM); | |
527 | } | |
528 | ||
529 | ret = amdgpu_framebuffer_init(dev, amdgpu_fb, mode_cmd, obj); | |
530 | if (ret) { | |
531 | kfree(amdgpu_fb); | |
532 | drm_gem_object_unreference_unlocked(obj); | |
533 | return ERR_PTR(ret); | |
534 | } | |
535 | ||
536 | return &amdgpu_fb->base; | |
537 | } | |
538 | ||
539 | static void amdgpu_output_poll_changed(struct drm_device *dev) | |
540 | { | |
541 | struct amdgpu_device *adev = dev->dev_private; | |
542 | amdgpu_fb_output_poll_changed(adev); | |
543 | } | |
544 | ||
545 | const struct drm_mode_config_funcs amdgpu_mode_funcs = { | |
546 | .fb_create = amdgpu_user_framebuffer_create, | |
547 | .output_poll_changed = amdgpu_output_poll_changed | |
548 | }; | |
549 | ||
550 | static struct drm_prop_enum_list amdgpu_underscan_enum_list[] = | |
551 | { { UNDERSCAN_OFF, "off" }, | |
552 | { UNDERSCAN_ON, "on" }, | |
553 | { UNDERSCAN_AUTO, "auto" }, | |
554 | }; | |
555 | ||
556 | static struct drm_prop_enum_list amdgpu_audio_enum_list[] = | |
557 | { { AMDGPU_AUDIO_DISABLE, "off" }, | |
558 | { AMDGPU_AUDIO_ENABLE, "on" }, | |
559 | { AMDGPU_AUDIO_AUTO, "auto" }, | |
560 | }; | |
561 | ||
562 | /* XXX support different dither options? spatial, temporal, both, etc. */ | |
563 | static struct drm_prop_enum_list amdgpu_dither_enum_list[] = | |
564 | { { AMDGPU_FMT_DITHER_DISABLE, "off" }, | |
565 | { AMDGPU_FMT_DITHER_ENABLE, "on" }, | |
566 | }; | |
567 | ||
568 | int amdgpu_modeset_create_props(struct amdgpu_device *adev) | |
569 | { | |
570 | int sz; | |
571 | ||
572 | if (adev->is_atom_bios) { | |
573 | adev->mode_info.coherent_mode_property = | |
574 | drm_property_create_range(adev->ddev, 0 , "coherent", 0, 1); | |
575 | if (!adev->mode_info.coherent_mode_property) | |
576 | return -ENOMEM; | |
577 | } | |
578 | ||
579 | adev->mode_info.load_detect_property = | |
580 | drm_property_create_range(adev->ddev, 0, "load detection", 0, 1); | |
581 | if (!adev->mode_info.load_detect_property) | |
582 | return -ENOMEM; | |
583 | ||
584 | drm_mode_create_scaling_mode_property(adev->ddev); | |
585 | ||
586 | sz = ARRAY_SIZE(amdgpu_underscan_enum_list); | |
587 | adev->mode_info.underscan_property = | |
588 | drm_property_create_enum(adev->ddev, 0, | |
589 | "underscan", | |
590 | amdgpu_underscan_enum_list, sz); | |
591 | ||
592 | adev->mode_info.underscan_hborder_property = | |
593 | drm_property_create_range(adev->ddev, 0, | |
594 | "underscan hborder", 0, 128); | |
595 | if (!adev->mode_info.underscan_hborder_property) | |
596 | return -ENOMEM; | |
597 | ||
598 | adev->mode_info.underscan_vborder_property = | |
599 | drm_property_create_range(adev->ddev, 0, | |
600 | "underscan vborder", 0, 128); | |
601 | if (!adev->mode_info.underscan_vborder_property) | |
602 | return -ENOMEM; | |
603 | ||
604 | sz = ARRAY_SIZE(amdgpu_audio_enum_list); | |
605 | adev->mode_info.audio_property = | |
606 | drm_property_create_enum(adev->ddev, 0, | |
607 | "audio", | |
608 | amdgpu_audio_enum_list, sz); | |
609 | ||
610 | sz = ARRAY_SIZE(amdgpu_dither_enum_list); | |
611 | adev->mode_info.dither_property = | |
612 | drm_property_create_enum(adev->ddev, 0, | |
613 | "dither", | |
614 | amdgpu_dither_enum_list, sz); | |
615 | ||
616 | return 0; | |
617 | } | |
618 | ||
619 | void amdgpu_update_display_priority(struct amdgpu_device *adev) | |
620 | { | |
621 | /* adjustment options for the display watermarks */ | |
622 | if ((amdgpu_disp_priority == 0) || (amdgpu_disp_priority > 2)) | |
623 | adev->mode_info.disp_priority = 0; | |
624 | else | |
625 | adev->mode_info.disp_priority = amdgpu_disp_priority; | |
626 | ||
627 | } | |
628 | ||
629 | static bool is_hdtv_mode(const struct drm_display_mode *mode) | |
630 | { | |
631 | /* try and guess if this is a tv or a monitor */ | |
632 | if ((mode->vdisplay == 480 && mode->hdisplay == 720) || /* 480p */ | |
633 | (mode->vdisplay == 576) || /* 576p */ | |
634 | (mode->vdisplay == 720) || /* 720p */ | |
635 | (mode->vdisplay == 1080)) /* 1080p */ | |
636 | return true; | |
637 | else | |
638 | return false; | |
639 | } | |
640 | ||
641 | bool amdgpu_crtc_scaling_mode_fixup(struct drm_crtc *crtc, | |
642 | const struct drm_display_mode *mode, | |
643 | struct drm_display_mode *adjusted_mode) | |
644 | { | |
645 | struct drm_device *dev = crtc->dev; | |
646 | struct drm_encoder *encoder; | |
647 | struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); | |
648 | struct amdgpu_encoder *amdgpu_encoder; | |
649 | struct drm_connector *connector; | |
650 | struct amdgpu_connector *amdgpu_connector; | |
651 | u32 src_v = 1, dst_v = 1; | |
652 | u32 src_h = 1, dst_h = 1; | |
653 | ||
654 | amdgpu_crtc->h_border = 0; | |
655 | amdgpu_crtc->v_border = 0; | |
656 | ||
657 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | |
658 | if (encoder->crtc != crtc) | |
659 | continue; | |
660 | amdgpu_encoder = to_amdgpu_encoder(encoder); | |
661 | connector = amdgpu_get_connector_for_encoder(encoder); | |
662 | amdgpu_connector = to_amdgpu_connector(connector); | |
663 | ||
664 | /* set scaling */ | |
665 | if (amdgpu_encoder->rmx_type == RMX_OFF) | |
666 | amdgpu_crtc->rmx_type = RMX_OFF; | |
667 | else if (mode->hdisplay < amdgpu_encoder->native_mode.hdisplay || | |
668 | mode->vdisplay < amdgpu_encoder->native_mode.vdisplay) | |
669 | amdgpu_crtc->rmx_type = amdgpu_encoder->rmx_type; | |
670 | else | |
671 | amdgpu_crtc->rmx_type = RMX_OFF; | |
672 | /* copy native mode */ | |
673 | memcpy(&amdgpu_crtc->native_mode, | |
674 | &amdgpu_encoder->native_mode, | |
675 | sizeof(struct drm_display_mode)); | |
676 | src_v = crtc->mode.vdisplay; | |
677 | dst_v = amdgpu_crtc->native_mode.vdisplay; | |
678 | src_h = crtc->mode.hdisplay; | |
679 | dst_h = amdgpu_crtc->native_mode.hdisplay; | |
680 | ||
681 | /* fix up for overscan on hdmi */ | |
682 | if ((!(mode->flags & DRM_MODE_FLAG_INTERLACE)) && | |
683 | ((amdgpu_encoder->underscan_type == UNDERSCAN_ON) || | |
684 | ((amdgpu_encoder->underscan_type == UNDERSCAN_AUTO) && | |
685 | drm_detect_hdmi_monitor(amdgpu_connector_edid(connector)) && | |
686 | is_hdtv_mode(mode)))) { | |
687 | if (amdgpu_encoder->underscan_hborder != 0) | |
688 | amdgpu_crtc->h_border = amdgpu_encoder->underscan_hborder; | |
689 | else | |
690 | amdgpu_crtc->h_border = (mode->hdisplay >> 5) + 16; | |
691 | if (amdgpu_encoder->underscan_vborder != 0) | |
692 | amdgpu_crtc->v_border = amdgpu_encoder->underscan_vborder; | |
693 | else | |
694 | amdgpu_crtc->v_border = (mode->vdisplay >> 5) + 16; | |
695 | amdgpu_crtc->rmx_type = RMX_FULL; | |
696 | src_v = crtc->mode.vdisplay; | |
697 | dst_v = crtc->mode.vdisplay - (amdgpu_crtc->v_border * 2); | |
698 | src_h = crtc->mode.hdisplay; | |
699 | dst_h = crtc->mode.hdisplay - (amdgpu_crtc->h_border * 2); | |
700 | } | |
701 | } | |
702 | if (amdgpu_crtc->rmx_type != RMX_OFF) { | |
703 | fixed20_12 a, b; | |
704 | a.full = dfixed_const(src_v); | |
705 | b.full = dfixed_const(dst_v); | |
706 | amdgpu_crtc->vsc.full = dfixed_div(a, b); | |
707 | a.full = dfixed_const(src_h); | |
708 | b.full = dfixed_const(dst_h); | |
709 | amdgpu_crtc->hsc.full = dfixed_div(a, b); | |
710 | } else { | |
711 | amdgpu_crtc->vsc.full = dfixed_const(1); | |
712 | amdgpu_crtc->hsc.full = dfixed_const(1); | |
713 | } | |
714 | return true; | |
715 | } | |
716 | ||
717 | /* | |
718 | * Retrieve current video scanout position of crtc on a given gpu, and | |
719 | * an optional accurate timestamp of when query happened. | |
720 | * | |
721 | * \param dev Device to query. | |
722 | * \param crtc Crtc to query. | |
723 | * \param flags Flags from caller (DRM_CALLED_FROM_VBLIRQ or 0). | |
724 | * \param *vpos Location where vertical scanout position should be stored. | |
725 | * \param *hpos Location where horizontal scanout position should go. | |
726 | * \param *stime Target location for timestamp taken immediately before | |
727 | * scanout position query. Can be NULL to skip timestamp. | |
728 | * \param *etime Target location for timestamp taken immediately after | |
729 | * scanout position query. Can be NULL to skip timestamp. | |
730 | * | |
731 | * Returns vpos as a positive number while in active scanout area. | |
732 | * Returns vpos as a negative number inside vblank, counting the number | |
733 | * of scanlines to go until end of vblank, e.g., -1 means "one scanline | |
734 | * until start of active scanout / end of vblank." | |
735 | * | |
736 | * \return Flags, or'ed together as follows: | |
737 | * | |
738 | * DRM_SCANOUTPOS_VALID = Query successful. | |
739 | * DRM_SCANOUTPOS_INVBL = Inside vblank. | |
740 | * DRM_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of | |
741 | * this flag means that returned position may be offset by a constant but | |
742 | * unknown small number of scanlines wrt. real scanout position. | |
743 | * | |
744 | */ | |
745 | int amdgpu_get_crtc_scanoutpos(struct drm_device *dev, int crtc, unsigned int flags, | |
746 | int *vpos, int *hpos, ktime_t *stime, ktime_t *etime) | |
747 | { | |
748 | u32 vbl = 0, position = 0; | |
749 | int vbl_start, vbl_end, vtotal, ret = 0; | |
750 | bool in_vbl = true; | |
751 | ||
752 | struct amdgpu_device *adev = dev->dev_private; | |
753 | ||
754 | /* preempt_disable_rt() should go right here in PREEMPT_RT patchset. */ | |
755 | ||
756 | /* Get optional system timestamp before query. */ | |
757 | if (stime) | |
758 | *stime = ktime_get(); | |
759 | ||
760 | if (amdgpu_display_page_flip_get_scanoutpos(adev, crtc, &vbl, &position) == 0) | |
761 | ret |= DRM_SCANOUTPOS_VALID; | |
762 | ||
763 | /* Get optional system timestamp after query. */ | |
764 | if (etime) | |
765 | *etime = ktime_get(); | |
766 | ||
767 | /* preempt_enable_rt() should go right here in PREEMPT_RT patchset. */ | |
768 | ||
769 | /* Decode into vertical and horizontal scanout position. */ | |
770 | *vpos = position & 0x1fff; | |
771 | *hpos = (position >> 16) & 0x1fff; | |
772 | ||
773 | /* Valid vblank area boundaries from gpu retrieved? */ | |
774 | if (vbl > 0) { | |
775 | /* Yes: Decode. */ | |
776 | ret |= DRM_SCANOUTPOS_ACCURATE; | |
777 | vbl_start = vbl & 0x1fff; | |
778 | vbl_end = (vbl >> 16) & 0x1fff; | |
779 | } | |
780 | else { | |
781 | /* No: Fake something reasonable which gives at least ok results. */ | |
782 | vbl_start = adev->mode_info.crtcs[crtc]->base.hwmode.crtc_vdisplay; | |
783 | vbl_end = 0; | |
784 | } | |
785 | ||
786 | /* Test scanout position against vblank region. */ | |
787 | if ((*vpos < vbl_start) && (*vpos >= vbl_end)) | |
788 | in_vbl = false; | |
789 | ||
790 | /* Check if inside vblank area and apply corrective offsets: | |
791 | * vpos will then be >=0 in video scanout area, but negative | |
792 | * within vblank area, counting down the number of lines until | |
793 | * start of scanout. | |
794 | */ | |
795 | ||
796 | /* Inside "upper part" of vblank area? Apply corrective offset if so: */ | |
797 | if (in_vbl && (*vpos >= vbl_start)) { | |
798 | vtotal = adev->mode_info.crtcs[crtc]->base.hwmode.crtc_vtotal; | |
799 | *vpos = *vpos - vtotal; | |
800 | } | |
801 | ||
802 | /* Correct for shifted end of vbl at vbl_end. */ | |
803 | *vpos = *vpos - vbl_end; | |
804 | ||
805 | /* In vblank? */ | |
806 | if (in_vbl) | |
807 | ret |= DRM_SCANOUTPOS_IN_VBLANK; | |
808 | ||
809 | /* Is vpos outside nominal vblank area, but less than | |
810 | * 1/100 of a frame height away from start of vblank? | |
811 | * If so, assume this isn't a massively delayed vblank | |
812 | * interrupt, but a vblank interrupt that fired a few | |
813 | * microseconds before true start of vblank. Compensate | |
814 | * by adding a full frame duration to the final timestamp. | |
815 | * Happens, e.g., on ATI R500, R600. | |
816 | * | |
817 | * We only do this if DRM_CALLED_FROM_VBLIRQ. | |
818 | */ | |
819 | if ((flags & DRM_CALLED_FROM_VBLIRQ) && !in_vbl) { | |
820 | vbl_start = adev->mode_info.crtcs[crtc]->base.hwmode.crtc_vdisplay; | |
821 | vtotal = adev->mode_info.crtcs[crtc]->base.hwmode.crtc_vtotal; | |
822 | ||
823 | if (vbl_start - *vpos < vtotal / 100) { | |
824 | *vpos -= vtotal; | |
825 | ||
826 | /* Signal this correction as "applied". */ | |
827 | ret |= 0x8; | |
828 | } | |
829 | } | |
830 | ||
831 | return ret; | |
832 | } | |
833 | ||
834 | int amdgpu_crtc_idx_to_irq_type(struct amdgpu_device *adev, int crtc) | |
835 | { | |
836 | if (crtc < 0 || crtc >= adev->mode_info.num_crtc) | |
837 | return AMDGPU_CRTC_IRQ_NONE; | |
838 | ||
839 | switch (crtc) { | |
840 | case 0: | |
841 | return AMDGPU_CRTC_IRQ_VBLANK1; | |
842 | case 1: | |
843 | return AMDGPU_CRTC_IRQ_VBLANK2; | |
844 | case 2: | |
845 | return AMDGPU_CRTC_IRQ_VBLANK3; | |
846 | case 3: | |
847 | return AMDGPU_CRTC_IRQ_VBLANK4; | |
848 | case 4: | |
849 | return AMDGPU_CRTC_IRQ_VBLANK5; | |
850 | case 5: | |
851 | return AMDGPU_CRTC_IRQ_VBLANK6; | |
852 | default: | |
853 | return AMDGPU_CRTC_IRQ_NONE; | |
854 | } | |
855 | } |