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02e792fb DV |
1 | /* |
2 | * Copyright © 2009 | |
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 (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * 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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
21 | * SOFTWARE. | |
22 | * | |
23 | * Authors: | |
24 | * Daniel Vetter <daniel@ffwll.ch> | |
25 | * | |
26 | * Derived from Xorg ddx, xf86-video-intel, src/i830_video.c | |
27 | */ | |
e167976e AM |
28 | |
29 | #include <linux/seq_file.h> | |
02e792fb DV |
30 | #include "drmP.h" |
31 | #include "drm.h" | |
32 | #include "i915_drm.h" | |
33 | #include "i915_drv.h" | |
34 | #include "i915_reg.h" | |
35 | #include "intel_drv.h" | |
36 | ||
37 | /* Limits for overlay size. According to intel doc, the real limits are: | |
38 | * Y width: 4095, UV width (planar): 2047, Y height: 2047, | |
39 | * UV width (planar): * 1023. But the xorg thinks 2048 for height and width. Use | |
40 | * the mininum of both. */ | |
41 | #define IMAGE_MAX_WIDTH 2048 | |
42 | #define IMAGE_MAX_HEIGHT 2046 /* 2 * 1023 */ | |
43 | /* on 830 and 845 these large limits result in the card hanging */ | |
44 | #define IMAGE_MAX_WIDTH_LEGACY 1024 | |
45 | #define IMAGE_MAX_HEIGHT_LEGACY 1088 | |
46 | ||
47 | /* overlay register definitions */ | |
48 | /* OCMD register */ | |
49 | #define OCMD_TILED_SURFACE (0x1<<19) | |
50 | #define OCMD_MIRROR_MASK (0x3<<17) | |
51 | #define OCMD_MIRROR_MODE (0x3<<17) | |
52 | #define OCMD_MIRROR_HORIZONTAL (0x1<<17) | |
53 | #define OCMD_MIRROR_VERTICAL (0x2<<17) | |
54 | #define OCMD_MIRROR_BOTH (0x3<<17) | |
55 | #define OCMD_BYTEORDER_MASK (0x3<<14) /* zero for YUYV or FOURCC YUY2 */ | |
56 | #define OCMD_UV_SWAP (0x1<<14) /* YVYU */ | |
57 | #define OCMD_Y_SWAP (0x2<<14) /* UYVY or FOURCC UYVY */ | |
58 | #define OCMD_Y_AND_UV_SWAP (0x3<<14) /* VYUY */ | |
59 | #define OCMD_SOURCE_FORMAT_MASK (0xf<<10) | |
60 | #define OCMD_RGB_888 (0x1<<10) /* not in i965 Intel docs */ | |
61 | #define OCMD_RGB_555 (0x2<<10) /* not in i965 Intel docs */ | |
62 | #define OCMD_RGB_565 (0x3<<10) /* not in i965 Intel docs */ | |
63 | #define OCMD_YUV_422_PACKED (0x8<<10) | |
64 | #define OCMD_YUV_411_PACKED (0x9<<10) /* not in i965 Intel docs */ | |
65 | #define OCMD_YUV_420_PLANAR (0xc<<10) | |
66 | #define OCMD_YUV_422_PLANAR (0xd<<10) | |
67 | #define OCMD_YUV_410_PLANAR (0xe<<10) /* also 411 */ | |
68 | #define OCMD_TVSYNCFLIP_PARITY (0x1<<9) | |
69 | #define OCMD_TVSYNCFLIP_ENABLE (0x1<<7) | |
d7961364 | 70 | #define OCMD_BUF_TYPE_MASK (0x1<<5) |
02e792fb DV |
71 | #define OCMD_BUF_TYPE_FRAME (0x0<<5) |
72 | #define OCMD_BUF_TYPE_FIELD (0x1<<5) | |
73 | #define OCMD_TEST_MODE (0x1<<4) | |
74 | #define OCMD_BUFFER_SELECT (0x3<<2) | |
75 | #define OCMD_BUFFER0 (0x0<<2) | |
76 | #define OCMD_BUFFER1 (0x1<<2) | |
77 | #define OCMD_FIELD_SELECT (0x1<<2) | |
78 | #define OCMD_FIELD0 (0x0<<1) | |
79 | #define OCMD_FIELD1 (0x1<<1) | |
80 | #define OCMD_ENABLE (0x1<<0) | |
81 | ||
82 | /* OCONFIG register */ | |
83 | #define OCONF_PIPE_MASK (0x1<<18) | |
84 | #define OCONF_PIPE_A (0x0<<18) | |
85 | #define OCONF_PIPE_B (0x1<<18) | |
86 | #define OCONF_GAMMA2_ENABLE (0x1<<16) | |
87 | #define OCONF_CSC_MODE_BT601 (0x0<<5) | |
88 | #define OCONF_CSC_MODE_BT709 (0x1<<5) | |
89 | #define OCONF_CSC_BYPASS (0x1<<4) | |
90 | #define OCONF_CC_OUT_8BIT (0x1<<3) | |
91 | #define OCONF_TEST_MODE (0x1<<2) | |
92 | #define OCONF_THREE_LINE_BUFFER (0x1<<0) | |
93 | #define OCONF_TWO_LINE_BUFFER (0x0<<0) | |
94 | ||
95 | /* DCLRKM (dst-key) register */ | |
96 | #define DST_KEY_ENABLE (0x1<<31) | |
97 | #define CLK_RGB24_MASK 0x0 | |
98 | #define CLK_RGB16_MASK 0x070307 | |
99 | #define CLK_RGB15_MASK 0x070707 | |
100 | #define CLK_RGB8I_MASK 0xffffff | |
101 | ||
102 | #define RGB16_TO_COLORKEY(c) \ | |
103 | (((c & 0xF800) << 8) | ((c & 0x07E0) << 5) | ((c & 0x001F) << 3)) | |
104 | #define RGB15_TO_COLORKEY(c) \ | |
105 | (((c & 0x7c00) << 9) | ((c & 0x03E0) << 6) | ((c & 0x001F) << 3)) | |
106 | ||
107 | /* overlay flip addr flag */ | |
108 | #define OFC_UPDATE 0x1 | |
109 | ||
110 | /* polyphase filter coefficients */ | |
111 | #define N_HORIZ_Y_TAPS 5 | |
112 | #define N_VERT_Y_TAPS 3 | |
113 | #define N_HORIZ_UV_TAPS 3 | |
114 | #define N_VERT_UV_TAPS 3 | |
115 | #define N_PHASES 17 | |
116 | #define MAX_TAPS 5 | |
117 | ||
118 | /* memory bufferd overlay registers */ | |
119 | struct overlay_registers { | |
120 | u32 OBUF_0Y; | |
121 | u32 OBUF_1Y; | |
122 | u32 OBUF_0U; | |
123 | u32 OBUF_0V; | |
124 | u32 OBUF_1U; | |
125 | u32 OBUF_1V; | |
126 | u32 OSTRIDE; | |
127 | u32 YRGB_VPH; | |
128 | u32 UV_VPH; | |
129 | u32 HORZ_PH; | |
130 | u32 INIT_PHS; | |
131 | u32 DWINPOS; | |
132 | u32 DWINSZ; | |
133 | u32 SWIDTH; | |
134 | u32 SWIDTHSW; | |
135 | u32 SHEIGHT; | |
136 | u32 YRGBSCALE; | |
137 | u32 UVSCALE; | |
138 | u32 OCLRC0; | |
139 | u32 OCLRC1; | |
140 | u32 DCLRKV; | |
141 | u32 DCLRKM; | |
142 | u32 SCLRKVH; | |
143 | u32 SCLRKVL; | |
144 | u32 SCLRKEN; | |
145 | u32 OCONFIG; | |
146 | u32 OCMD; | |
147 | u32 RESERVED1; /* 0x6C */ | |
148 | u32 OSTART_0Y; | |
149 | u32 OSTART_1Y; | |
150 | u32 OSTART_0U; | |
151 | u32 OSTART_0V; | |
152 | u32 OSTART_1U; | |
153 | u32 OSTART_1V; | |
154 | u32 OTILEOFF_0Y; | |
155 | u32 OTILEOFF_1Y; | |
156 | u32 OTILEOFF_0U; | |
157 | u32 OTILEOFF_0V; | |
158 | u32 OTILEOFF_1U; | |
159 | u32 OTILEOFF_1V; | |
160 | u32 FASTHSCALE; /* 0xA0 */ | |
161 | u32 UVSCALEV; /* 0xA4 */ | |
162 | u32 RESERVEDC[(0x200 - 0xA8) / 4]; /* 0xA8 - 0x1FC */ | |
163 | u16 Y_VCOEFS[N_VERT_Y_TAPS * N_PHASES]; /* 0x200 */ | |
164 | u16 RESERVEDD[0x100 / 2 - N_VERT_Y_TAPS * N_PHASES]; | |
165 | u16 Y_HCOEFS[N_HORIZ_Y_TAPS * N_PHASES]; /* 0x300 */ | |
166 | u16 RESERVEDE[0x200 / 2 - N_HORIZ_Y_TAPS * N_PHASES]; | |
167 | u16 UV_VCOEFS[N_VERT_UV_TAPS * N_PHASES]; /* 0x500 */ | |
168 | u16 RESERVEDF[0x100 / 2 - N_VERT_UV_TAPS * N_PHASES]; | |
169 | u16 UV_HCOEFS[N_HORIZ_UV_TAPS * N_PHASES]; /* 0x600 */ | |
170 | u16 RESERVEDG[0x100 / 2 - N_HORIZ_UV_TAPS * N_PHASES]; | |
171 | }; | |
172 | ||
8d74f656 CW |
173 | static struct overlay_registers * |
174 | intel_overlay_map_regs_atomic(struct intel_overlay *overlay, | |
175 | int slot) | |
02e792fb DV |
176 | { |
177 | drm_i915_private_t *dev_priv = overlay->dev->dev_private; | |
178 | struct overlay_registers *regs; | |
179 | ||
180 | /* no recursive mappings */ | |
181 | BUG_ON(overlay->virt_addr); | |
182 | ||
31578148 CW |
183 | if (OVERLAY_NEEDS_PHYSICAL(overlay->dev)) { |
184 | regs = overlay->reg_bo->phys_obj->handle->vaddr; | |
185 | } else { | |
02e792fb | 186 | regs = io_mapping_map_atomic_wc(dev_priv->mm.gtt_mapping, |
fca3ec01 | 187 | overlay->reg_bo->gtt_offset, |
8d74f656 | 188 | slot); |
02e792fb DV |
189 | |
190 | if (!regs) { | |
191 | DRM_ERROR("failed to map overlay regs in GTT\n"); | |
192 | return NULL; | |
193 | } | |
31578148 | 194 | } |
02e792fb DV |
195 | |
196 | return overlay->virt_addr = regs; | |
197 | } | |
198 | ||
8d74f656 CW |
199 | static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay, |
200 | int slot) | |
02e792fb | 201 | { |
31578148 | 202 | if (!OVERLAY_NEEDS_PHYSICAL(overlay->dev)) |
8d74f656 CW |
203 | io_mapping_unmap_atomic(overlay->virt_addr, slot); |
204 | ||
205 | overlay->virt_addr = NULL; | |
206 | ||
207 | return; | |
208 | } | |
209 | ||
210 | static struct overlay_registers * | |
211 | intel_overlay_map_regs(struct intel_overlay *overlay) | |
212 | { | |
213 | drm_i915_private_t *dev_priv = overlay->dev->dev_private; | |
214 | struct overlay_registers *regs; | |
215 | ||
216 | /* no recursive mappings */ | |
217 | BUG_ON(overlay->virt_addr); | |
218 | ||
219 | if (OVERLAY_NEEDS_PHYSICAL(overlay->dev)) { | |
220 | regs = overlay->reg_bo->phys_obj->handle->vaddr; | |
221 | } else { | |
222 | regs = io_mapping_map_wc(dev_priv->mm.gtt_mapping, | |
223 | overlay->reg_bo->gtt_offset); | |
224 | ||
225 | if (!regs) { | |
226 | DRM_ERROR("failed to map overlay regs in GTT\n"); | |
227 | return NULL; | |
228 | } | |
229 | } | |
230 | ||
231 | return overlay->virt_addr = regs; | |
232 | } | |
233 | ||
234 | static void intel_overlay_unmap_regs(struct intel_overlay *overlay) | |
235 | { | |
236 | if (!OVERLAY_NEEDS_PHYSICAL(overlay->dev)) | |
237 | io_mapping_unmap(overlay->virt_addr); | |
02e792fb DV |
238 | |
239 | overlay->virt_addr = NULL; | |
240 | ||
02e792fb DV |
241 | return; |
242 | } | |
243 | ||
244 | /* overlay needs to be disable in OCMD reg */ | |
245 | static int intel_overlay_on(struct intel_overlay *overlay) | |
246 | { | |
247 | struct drm_device *dev = overlay->dev; | |
02e792fb | 248 | int ret; |
852835f3 | 249 | drm_i915_private_t *dev_priv = dev->dev_private; |
02e792fb DV |
250 | |
251 | BUG_ON(overlay->active); | |
252 | ||
03f77ea5 DV |
253 | overlay->active = 1; |
254 | overlay->hw_wedged = NEEDS_WAIT_FOR_FLIP; | |
255 | ||
4f8a567c | 256 | BEGIN_LP_RING(4); |
02e792fb DV |
257 | OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_ON); |
258 | OUT_RING(overlay->flip_addr | OFC_UPDATE); | |
259 | OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); | |
260 | OUT_RING(MI_NOOP); | |
261 | ADVANCE_LP_RING(); | |
262 | ||
852835f3 | 263 | overlay->last_flip_req = |
8a1a49f9 | 264 | i915_add_request(dev, NULL, &dev_priv->render_ring); |
03f77ea5 DV |
265 | if (overlay->last_flip_req == 0) |
266 | return -ENOMEM; | |
02e792fb | 267 | |
852835f3 | 268 | ret = i915_do_wait_request(dev, |
722506f0 CW |
269 | overlay->last_flip_req, true, |
270 | &dev_priv->render_ring); | |
03f77ea5 DV |
271 | if (ret != 0) |
272 | return ret; | |
02e792fb | 273 | |
03f77ea5 DV |
274 | overlay->hw_wedged = 0; |
275 | overlay->last_flip_req = 0; | |
02e792fb DV |
276 | return 0; |
277 | } | |
278 | ||
279 | /* overlay needs to be enabled in OCMD reg */ | |
280 | static void intel_overlay_continue(struct intel_overlay *overlay, | |
722506f0 | 281 | bool load_polyphase_filter) |
02e792fb DV |
282 | { |
283 | struct drm_device *dev = overlay->dev; | |
284 | drm_i915_private_t *dev_priv = dev->dev_private; | |
285 | u32 flip_addr = overlay->flip_addr; | |
286 | u32 tmp; | |
02e792fb DV |
287 | |
288 | BUG_ON(!overlay->active); | |
289 | ||
290 | if (load_polyphase_filter) | |
291 | flip_addr |= OFC_UPDATE; | |
292 | ||
293 | /* check for underruns */ | |
294 | tmp = I915_READ(DOVSTA); | |
295 | if (tmp & (1 << 17)) | |
296 | DRM_DEBUG("overlay underrun, DOVSTA: %x\n", tmp); | |
297 | ||
4f8a567c | 298 | BEGIN_LP_RING(2); |
02e792fb DV |
299 | OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE); |
300 | OUT_RING(flip_addr); | |
5a5a0c64 DV |
301 | ADVANCE_LP_RING(); |
302 | ||
852835f3 | 303 | overlay->last_flip_req = |
8a1a49f9 | 304 | i915_add_request(dev, NULL, &dev_priv->render_ring); |
5a5a0c64 DV |
305 | } |
306 | ||
307 | static int intel_overlay_wait_flip(struct intel_overlay *overlay) | |
308 | { | |
309 | struct drm_device *dev = overlay->dev; | |
722506f0 | 310 | drm_i915_private_t *dev_priv = dev->dev_private; |
5a5a0c64 DV |
311 | int ret; |
312 | u32 tmp; | |
5a5a0c64 DV |
313 | |
314 | if (overlay->last_flip_req != 0) { | |
722506f0 CW |
315 | ret = i915_do_wait_request(dev, |
316 | overlay->last_flip_req, true, | |
317 | &dev_priv->render_ring); | |
5c5a4359 DV |
318 | if (ret == 0) { |
319 | overlay->last_flip_req = 0; | |
5a5a0c64 | 320 | |
5c5a4359 | 321 | tmp = I915_READ(ISR); |
5a5a0c64 | 322 | |
5c5a4359 DV |
323 | if (!(tmp & I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT)) |
324 | return 0; | |
325 | } | |
5a5a0c64 DV |
326 | } |
327 | ||
328 | /* synchronous slowpath */ | |
03f77ea5 DV |
329 | overlay->hw_wedged = RELEASE_OLD_VID; |
330 | ||
5a5a0c64 | 331 | BEGIN_LP_RING(2); |
722506f0 CW |
332 | OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); |
333 | OUT_RING(MI_NOOP); | |
334 | ADVANCE_LP_RING(); | |
02e792fb | 335 | |
852835f3 | 336 | overlay->last_flip_req = |
8a1a49f9 | 337 | i915_add_request(dev, NULL, &dev_priv->render_ring); |
03f77ea5 DV |
338 | if (overlay->last_flip_req == 0) |
339 | return -ENOMEM; | |
02e792fb | 340 | |
722506f0 CW |
341 | ret = i915_do_wait_request(dev, |
342 | overlay->last_flip_req, true, | |
343 | &dev_priv->render_ring); | |
03f77ea5 DV |
344 | if (ret != 0) |
345 | return ret; | |
346 | ||
347 | overlay->hw_wedged = 0; | |
348 | overlay->last_flip_req = 0; | |
349 | return 0; | |
02e792fb DV |
350 | } |
351 | ||
352 | /* overlay needs to be disabled in OCMD reg */ | |
353 | static int intel_overlay_off(struct intel_overlay *overlay) | |
354 | { | |
355 | u32 flip_addr = overlay->flip_addr; | |
356 | struct drm_device *dev = overlay->dev; | |
852835f3 | 357 | drm_i915_private_t *dev_priv = dev->dev_private; |
02e792fb | 358 | int ret; |
02e792fb DV |
359 | |
360 | BUG_ON(!overlay->active); | |
361 | ||
362 | /* According to intel docs the overlay hw may hang (when switching | |
363 | * off) without loading the filter coeffs. It is however unclear whether | |
364 | * this applies to the disabling of the overlay or to the switching off | |
365 | * of the hw. Do it in both cases */ | |
366 | flip_addr |= OFC_UPDATE; | |
367 | ||
368 | /* wait for overlay to go idle */ | |
03f77ea5 DV |
369 | overlay->hw_wedged = SWITCH_OFF_STAGE_1; |
370 | ||
4f8a567c | 371 | BEGIN_LP_RING(4); |
02e792fb DV |
372 | OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE); |
373 | OUT_RING(flip_addr); | |
722506f0 CW |
374 | OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); |
375 | OUT_RING(MI_NOOP); | |
376 | ADVANCE_LP_RING(); | |
02e792fb | 377 | |
852835f3 | 378 | overlay->last_flip_req = |
8a1a49f9 | 379 | i915_add_request(dev, NULL, &dev_priv->render_ring); |
03f77ea5 DV |
380 | if (overlay->last_flip_req == 0) |
381 | return -ENOMEM; | |
382 | ||
722506f0 CW |
383 | ret = i915_do_wait_request(dev, |
384 | overlay->last_flip_req, true, | |
385 | &dev_priv->render_ring); | |
03f77ea5 | 386 | if (ret != 0) |
02e792fb | 387 | return ret; |
02e792fb DV |
388 | |
389 | /* turn overlay off */ | |
03f77ea5 DV |
390 | overlay->hw_wedged = SWITCH_OFF_STAGE_2; |
391 | ||
4f8a567c | 392 | BEGIN_LP_RING(4); |
722506f0 | 393 | OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_OFF); |
02e792fb | 394 | OUT_RING(flip_addr); |
722506f0 CW |
395 | OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); |
396 | OUT_RING(MI_NOOP); | |
02e792fb DV |
397 | ADVANCE_LP_RING(); |
398 | ||
852835f3 | 399 | overlay->last_flip_req = |
8a1a49f9 | 400 | i915_add_request(dev, NULL, &dev_priv->render_ring); |
03f77ea5 DV |
401 | if (overlay->last_flip_req == 0) |
402 | return -ENOMEM; | |
403 | ||
722506f0 CW |
404 | ret = i915_do_wait_request(dev, |
405 | overlay->last_flip_req, true, | |
406 | &dev_priv->render_ring); | |
03f77ea5 | 407 | if (ret != 0) |
02e792fb | 408 | return ret; |
02e792fb | 409 | |
03f77ea5 DV |
410 | overlay->hw_wedged = 0; |
411 | overlay->last_flip_req = 0; | |
02e792fb DV |
412 | return ret; |
413 | } | |
414 | ||
12ca45fe DV |
415 | static void intel_overlay_off_tail(struct intel_overlay *overlay) |
416 | { | |
417 | struct drm_gem_object *obj; | |
418 | ||
419 | /* never have the overlay hw on without showing a frame */ | |
420 | BUG_ON(!overlay->vid_bo); | |
a8089e84 | 421 | obj = &overlay->vid_bo->base; |
12ca45fe DV |
422 | |
423 | i915_gem_object_unpin(obj); | |
424 | drm_gem_object_unreference(obj); | |
425 | overlay->vid_bo = NULL; | |
426 | ||
427 | overlay->crtc->overlay = NULL; | |
428 | overlay->crtc = NULL; | |
429 | overlay->active = 0; | |
430 | } | |
431 | ||
03f77ea5 DV |
432 | /* recover from an interruption due to a signal |
433 | * We have to be careful not to repeat work forever an make forward progess. */ | |
434 | int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay, | |
722506f0 | 435 | bool interruptible) |
03f77ea5 DV |
436 | { |
437 | struct drm_device *dev = overlay->dev; | |
03f77ea5 | 438 | struct drm_gem_object *obj; |
852835f3 | 439 | drm_i915_private_t *dev_priv = dev->dev_private; |
03f77ea5 DV |
440 | u32 flip_addr; |
441 | int ret; | |
03f77ea5 DV |
442 | |
443 | if (overlay->hw_wedged == HW_WEDGED) | |
444 | return -EIO; | |
445 | ||
446 | if (overlay->last_flip_req == 0) { | |
852835f3 | 447 | overlay->last_flip_req = |
8a1a49f9 | 448 | i915_add_request(dev, NULL, &dev_priv->render_ring); |
03f77ea5 DV |
449 | if (overlay->last_flip_req == 0) |
450 | return -ENOMEM; | |
451 | } | |
452 | ||
852835f3 | 453 | ret = i915_do_wait_request(dev, overlay->last_flip_req, |
722506f0 | 454 | interruptible, &dev_priv->render_ring); |
03f77ea5 DV |
455 | if (ret != 0) |
456 | return ret; | |
457 | ||
458 | switch (overlay->hw_wedged) { | |
722506f0 CW |
459 | case RELEASE_OLD_VID: |
460 | obj = &overlay->old_vid_bo->base; | |
461 | i915_gem_object_unpin(obj); | |
462 | drm_gem_object_unreference(obj); | |
463 | overlay->old_vid_bo = NULL; | |
464 | break; | |
465 | case SWITCH_OFF_STAGE_1: | |
466 | flip_addr = overlay->flip_addr; | |
467 | flip_addr |= OFC_UPDATE; | |
03f77ea5 | 468 | |
722506f0 CW |
469 | overlay->hw_wedged = SWITCH_OFF_STAGE_2; |
470 | ||
471 | BEGIN_LP_RING(4); | |
472 | OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_OFF); | |
473 | OUT_RING(flip_addr); | |
474 | OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); | |
475 | OUT_RING(MI_NOOP); | |
476 | ADVANCE_LP_RING(); | |
477 | ||
478 | overlay->last_flip_req = | |
479 | i915_add_request(dev, NULL, | |
480 | &dev_priv->render_ring); | |
481 | if (overlay->last_flip_req == 0) | |
482 | return -ENOMEM; | |
483 | ||
484 | ret = i915_do_wait_request(dev, overlay->last_flip_req, | |
485 | interruptible, | |
486 | &dev_priv->render_ring); | |
487 | if (ret != 0) | |
488 | return ret; | |
489 | ||
490 | case SWITCH_OFF_STAGE_2: | |
491 | intel_overlay_off_tail(overlay); | |
492 | break; | |
493 | default: | |
494 | BUG_ON(overlay->hw_wedged != NEEDS_WAIT_FOR_FLIP); | |
03f77ea5 DV |
495 | } |
496 | ||
497 | overlay->hw_wedged = 0; | |
498 | overlay->last_flip_req = 0; | |
499 | return 0; | |
500 | } | |
501 | ||
5a5a0c64 DV |
502 | /* Wait for pending overlay flip and release old frame. |
503 | * Needs to be called before the overlay register are changed | |
8d74f656 CW |
504 | * via intel_overlay_(un)map_regs |
505 | */ | |
02e792fb DV |
506 | static int intel_overlay_release_old_vid(struct intel_overlay *overlay) |
507 | { | |
508 | int ret; | |
509 | struct drm_gem_object *obj; | |
510 | ||
03f77ea5 DV |
511 | /* only wait if there is actually an old frame to release to |
512 | * guarantee forward progress */ | |
513 | if (!overlay->old_vid_bo) | |
514 | return 0; | |
515 | ||
02e792fb DV |
516 | ret = intel_overlay_wait_flip(overlay); |
517 | if (ret != 0) | |
518 | return ret; | |
519 | ||
a8089e84 | 520 | obj = &overlay->old_vid_bo->base; |
02e792fb DV |
521 | i915_gem_object_unpin(obj); |
522 | drm_gem_object_unreference(obj); | |
523 | overlay->old_vid_bo = NULL; | |
524 | ||
525 | return 0; | |
526 | } | |
527 | ||
528 | struct put_image_params { | |
529 | int format; | |
530 | short dst_x; | |
531 | short dst_y; | |
532 | short dst_w; | |
533 | short dst_h; | |
534 | short src_w; | |
535 | short src_scan_h; | |
536 | short src_scan_w; | |
537 | short src_h; | |
538 | short stride_Y; | |
539 | short stride_UV; | |
540 | int offset_Y; | |
541 | int offset_U; | |
542 | int offset_V; | |
543 | }; | |
544 | ||
545 | static int packed_depth_bytes(u32 format) | |
546 | { | |
547 | switch (format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
548 | case I915_OVERLAY_YUV422: |
549 | return 4; | |
550 | case I915_OVERLAY_YUV411: | |
551 | /* return 6; not implemented */ | |
552 | default: | |
553 | return -EINVAL; | |
02e792fb DV |
554 | } |
555 | } | |
556 | ||
557 | static int packed_width_bytes(u32 format, short width) | |
558 | { | |
559 | switch (format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
560 | case I915_OVERLAY_YUV422: |
561 | return width << 1; | |
562 | default: | |
563 | return -EINVAL; | |
02e792fb DV |
564 | } |
565 | } | |
566 | ||
567 | static int uv_hsubsampling(u32 format) | |
568 | { | |
569 | switch (format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
570 | case I915_OVERLAY_YUV422: |
571 | case I915_OVERLAY_YUV420: | |
572 | return 2; | |
573 | case I915_OVERLAY_YUV411: | |
574 | case I915_OVERLAY_YUV410: | |
575 | return 4; | |
576 | default: | |
577 | return -EINVAL; | |
02e792fb DV |
578 | } |
579 | } | |
580 | ||
581 | static int uv_vsubsampling(u32 format) | |
582 | { | |
583 | switch (format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
584 | case I915_OVERLAY_YUV420: |
585 | case I915_OVERLAY_YUV410: | |
586 | return 2; | |
587 | case I915_OVERLAY_YUV422: | |
588 | case I915_OVERLAY_YUV411: | |
589 | return 1; | |
590 | default: | |
591 | return -EINVAL; | |
02e792fb DV |
592 | } |
593 | } | |
594 | ||
595 | static u32 calc_swidthsw(struct drm_device *dev, u32 offset, u32 width) | |
596 | { | |
597 | u32 mask, shift, ret; | |
598 | if (IS_I9XX(dev)) { | |
599 | mask = 0x3f; | |
600 | shift = 6; | |
601 | } else { | |
602 | mask = 0x1f; | |
603 | shift = 5; | |
604 | } | |
605 | ret = ((offset + width + mask) >> shift) - (offset >> shift); | |
606 | if (IS_I9XX(dev)) | |
607 | ret <<= 1; | |
608 | ret -=1; | |
609 | return ret << 2; | |
610 | } | |
611 | ||
612 | static const u16 y_static_hcoeffs[N_HORIZ_Y_TAPS * N_PHASES] = { | |
613 | 0x3000, 0xb4a0, 0x1930, 0x1920, 0xb4a0, | |
614 | 0x3000, 0xb500, 0x19d0, 0x1880, 0xb440, | |
615 | 0x3000, 0xb540, 0x1a88, 0x2f80, 0xb3e0, | |
616 | 0x3000, 0xb580, 0x1b30, 0x2e20, 0xb380, | |
617 | 0x3000, 0xb5c0, 0x1bd8, 0x2cc0, 0xb320, | |
618 | 0x3020, 0xb5e0, 0x1c60, 0x2b80, 0xb2c0, | |
619 | 0x3020, 0xb5e0, 0x1cf8, 0x2a20, 0xb260, | |
620 | 0x3020, 0xb5e0, 0x1d80, 0x28e0, 0xb200, | |
621 | 0x3020, 0xb5c0, 0x1e08, 0x3f40, 0xb1c0, | |
622 | 0x3020, 0xb580, 0x1e78, 0x3ce0, 0xb160, | |
623 | 0x3040, 0xb520, 0x1ed8, 0x3aa0, 0xb120, | |
624 | 0x3040, 0xb4a0, 0x1f30, 0x3880, 0xb0e0, | |
625 | 0x3040, 0xb400, 0x1f78, 0x3680, 0xb0a0, | |
626 | 0x3020, 0xb340, 0x1fb8, 0x34a0, 0xb060, | |
627 | 0x3020, 0xb240, 0x1fe0, 0x32e0, 0xb040, | |
628 | 0x3020, 0xb140, 0x1ff8, 0x3160, 0xb020, | |
722506f0 CW |
629 | 0xb000, 0x3000, 0x0800, 0x3000, 0xb000 |
630 | }; | |
631 | ||
02e792fb DV |
632 | static const u16 uv_static_hcoeffs[N_HORIZ_UV_TAPS * N_PHASES] = { |
633 | 0x3000, 0x1800, 0x1800, 0xb000, 0x18d0, 0x2e60, | |
634 | 0xb000, 0x1990, 0x2ce0, 0xb020, 0x1a68, 0x2b40, | |
635 | 0xb040, 0x1b20, 0x29e0, 0xb060, 0x1bd8, 0x2880, | |
636 | 0xb080, 0x1c88, 0x3e60, 0xb0a0, 0x1d28, 0x3c00, | |
637 | 0xb0c0, 0x1db8, 0x39e0, 0xb0e0, 0x1e40, 0x37e0, | |
638 | 0xb100, 0x1eb8, 0x3620, 0xb100, 0x1f18, 0x34a0, | |
639 | 0xb100, 0x1f68, 0x3360, 0xb0e0, 0x1fa8, 0x3240, | |
640 | 0xb0c0, 0x1fe0, 0x3140, 0xb060, 0x1ff0, 0x30a0, | |
722506f0 CW |
641 | 0x3000, 0x0800, 0x3000 |
642 | }; | |
02e792fb DV |
643 | |
644 | static void update_polyphase_filter(struct overlay_registers *regs) | |
645 | { | |
646 | memcpy(regs->Y_HCOEFS, y_static_hcoeffs, sizeof(y_static_hcoeffs)); | |
647 | memcpy(regs->UV_HCOEFS, uv_static_hcoeffs, sizeof(uv_static_hcoeffs)); | |
648 | } | |
649 | ||
650 | static bool update_scaling_factors(struct intel_overlay *overlay, | |
651 | struct overlay_registers *regs, | |
652 | struct put_image_params *params) | |
653 | { | |
654 | /* fixed point with a 12 bit shift */ | |
655 | u32 xscale, yscale, xscale_UV, yscale_UV; | |
656 | #define FP_SHIFT 12 | |
657 | #define FRACT_MASK 0xfff | |
658 | bool scale_changed = false; | |
659 | int uv_hscale = uv_hsubsampling(params->format); | |
660 | int uv_vscale = uv_vsubsampling(params->format); | |
661 | ||
662 | if (params->dst_w > 1) | |
663 | xscale = ((params->src_scan_w - 1) << FP_SHIFT) | |
664 | /(params->dst_w); | |
665 | else | |
666 | xscale = 1 << FP_SHIFT; | |
667 | ||
668 | if (params->dst_h > 1) | |
669 | yscale = ((params->src_scan_h - 1) << FP_SHIFT) | |
670 | /(params->dst_h); | |
671 | else | |
672 | yscale = 1 << FP_SHIFT; | |
673 | ||
674 | /*if (params->format & I915_OVERLAY_YUV_PLANAR) {*/ | |
722506f0 CW |
675 | xscale_UV = xscale/uv_hscale; |
676 | yscale_UV = yscale/uv_vscale; | |
677 | /* make the Y scale to UV scale ratio an exact multiply */ | |
678 | xscale = xscale_UV * uv_hscale; | |
679 | yscale = yscale_UV * uv_vscale; | |
02e792fb | 680 | /*} else { |
722506f0 CW |
681 | xscale_UV = 0; |
682 | yscale_UV = 0; | |
683 | }*/ | |
02e792fb DV |
684 | |
685 | if (xscale != overlay->old_xscale || yscale != overlay->old_yscale) | |
686 | scale_changed = true; | |
687 | overlay->old_xscale = xscale; | |
688 | overlay->old_yscale = yscale; | |
689 | ||
722506f0 CW |
690 | regs->YRGBSCALE = (((yscale & FRACT_MASK) << 20) | |
691 | ((xscale >> FP_SHIFT) << 16) | | |
692 | ((xscale & FRACT_MASK) << 3)); | |
693 | ||
694 | regs->UVSCALE = (((yscale_UV & FRACT_MASK) << 20) | | |
695 | ((xscale_UV >> FP_SHIFT) << 16) | | |
696 | ((xscale_UV & FRACT_MASK) << 3)); | |
697 | ||
698 | regs->UVSCALEV = ((((yscale >> FP_SHIFT) << 16) | | |
699 | ((yscale_UV >> FP_SHIFT) << 0))); | |
02e792fb DV |
700 | |
701 | if (scale_changed) | |
702 | update_polyphase_filter(regs); | |
703 | ||
704 | return scale_changed; | |
705 | } | |
706 | ||
707 | static void update_colorkey(struct intel_overlay *overlay, | |
708 | struct overlay_registers *regs) | |
709 | { | |
710 | u32 key = overlay->color_key; | |
6ba3ddd9 | 711 | |
02e792fb | 712 | switch (overlay->crtc->base.fb->bits_per_pixel) { |
722506f0 CW |
713 | case 8: |
714 | regs->DCLRKV = 0; | |
715 | regs->DCLRKM = CLK_RGB8I_MASK | DST_KEY_ENABLE; | |
6ba3ddd9 CW |
716 | break; |
717 | ||
722506f0 CW |
718 | case 16: |
719 | if (overlay->crtc->base.fb->depth == 15) { | |
720 | regs->DCLRKV = RGB15_TO_COLORKEY(key); | |
721 | regs->DCLRKM = CLK_RGB15_MASK | DST_KEY_ENABLE; | |
722 | } else { | |
723 | regs->DCLRKV = RGB16_TO_COLORKEY(key); | |
724 | regs->DCLRKM = CLK_RGB16_MASK | DST_KEY_ENABLE; | |
725 | } | |
6ba3ddd9 CW |
726 | break; |
727 | ||
722506f0 CW |
728 | case 24: |
729 | case 32: | |
730 | regs->DCLRKV = key; | |
731 | regs->DCLRKM = CLK_RGB24_MASK | DST_KEY_ENABLE; | |
6ba3ddd9 | 732 | break; |
02e792fb DV |
733 | } |
734 | } | |
735 | ||
736 | static u32 overlay_cmd_reg(struct put_image_params *params) | |
737 | { | |
738 | u32 cmd = OCMD_ENABLE | OCMD_BUF_TYPE_FRAME | OCMD_BUFFER0; | |
739 | ||
740 | if (params->format & I915_OVERLAY_YUV_PLANAR) { | |
741 | switch (params->format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
742 | case I915_OVERLAY_YUV422: |
743 | cmd |= OCMD_YUV_422_PLANAR; | |
744 | break; | |
745 | case I915_OVERLAY_YUV420: | |
746 | cmd |= OCMD_YUV_420_PLANAR; | |
747 | break; | |
748 | case I915_OVERLAY_YUV411: | |
749 | case I915_OVERLAY_YUV410: | |
750 | cmd |= OCMD_YUV_410_PLANAR; | |
751 | break; | |
02e792fb DV |
752 | } |
753 | } else { /* YUV packed */ | |
754 | switch (params->format & I915_OVERLAY_DEPTH_MASK) { | |
722506f0 CW |
755 | case I915_OVERLAY_YUV422: |
756 | cmd |= OCMD_YUV_422_PACKED; | |
757 | break; | |
758 | case I915_OVERLAY_YUV411: | |
759 | cmd |= OCMD_YUV_411_PACKED; | |
760 | break; | |
02e792fb DV |
761 | } |
762 | ||
763 | switch (params->format & I915_OVERLAY_SWAP_MASK) { | |
722506f0 CW |
764 | case I915_OVERLAY_NO_SWAP: |
765 | break; | |
766 | case I915_OVERLAY_UV_SWAP: | |
767 | cmd |= OCMD_UV_SWAP; | |
768 | break; | |
769 | case I915_OVERLAY_Y_SWAP: | |
770 | cmd |= OCMD_Y_SWAP; | |
771 | break; | |
772 | case I915_OVERLAY_Y_AND_UV_SWAP: | |
773 | cmd |= OCMD_Y_AND_UV_SWAP; | |
774 | break; | |
02e792fb DV |
775 | } |
776 | } | |
777 | ||
778 | return cmd; | |
779 | } | |
780 | ||
781 | int intel_overlay_do_put_image(struct intel_overlay *overlay, | |
782 | struct drm_gem_object *new_bo, | |
783 | struct put_image_params *params) | |
784 | { | |
785 | int ret, tmp_width; | |
786 | struct overlay_registers *regs; | |
787 | bool scale_changed = false; | |
23010e43 | 788 | struct drm_i915_gem_object *bo_priv = to_intel_bo(new_bo); |
02e792fb DV |
789 | struct drm_device *dev = overlay->dev; |
790 | ||
791 | BUG_ON(!mutex_is_locked(&dev->struct_mutex)); | |
792 | BUG_ON(!mutex_is_locked(&dev->mode_config.mutex)); | |
793 | BUG_ON(!overlay); | |
794 | ||
02e792fb DV |
795 | ret = intel_overlay_release_old_vid(overlay); |
796 | if (ret != 0) | |
797 | return ret; | |
798 | ||
799 | ret = i915_gem_object_pin(new_bo, PAGE_SIZE); | |
800 | if (ret != 0) | |
801 | return ret; | |
802 | ||
803 | ret = i915_gem_object_set_to_gtt_domain(new_bo, 0); | |
804 | if (ret != 0) | |
805 | goto out_unpin; | |
806 | ||
807 | if (!overlay->active) { | |
8d74f656 | 808 | regs = intel_overlay_map_regs(overlay); |
02e792fb DV |
809 | if (!regs) { |
810 | ret = -ENOMEM; | |
811 | goto out_unpin; | |
812 | } | |
813 | regs->OCONFIG = OCONF_CC_OUT_8BIT; | |
814 | if (IS_I965GM(overlay->dev)) | |
815 | regs->OCONFIG |= OCONF_CSC_MODE_BT709; | |
816 | regs->OCONFIG |= overlay->crtc->pipe == 0 ? | |
817 | OCONF_PIPE_A : OCONF_PIPE_B; | |
8d74f656 | 818 | intel_overlay_unmap_regs(overlay); |
02e792fb DV |
819 | |
820 | ret = intel_overlay_on(overlay); | |
821 | if (ret != 0) | |
822 | goto out_unpin; | |
823 | } | |
824 | ||
8d74f656 | 825 | regs = intel_overlay_map_regs(overlay); |
02e792fb DV |
826 | if (!regs) { |
827 | ret = -ENOMEM; | |
828 | goto out_unpin; | |
829 | } | |
830 | ||
831 | regs->DWINPOS = (params->dst_y << 16) | params->dst_x; | |
832 | regs->DWINSZ = (params->dst_h << 16) | params->dst_w; | |
833 | ||
834 | if (params->format & I915_OVERLAY_YUV_PACKED) | |
835 | tmp_width = packed_width_bytes(params->format, params->src_w); | |
836 | else | |
837 | tmp_width = params->src_w; | |
838 | ||
839 | regs->SWIDTH = params->src_w; | |
840 | regs->SWIDTHSW = calc_swidthsw(overlay->dev, | |
722506f0 | 841 | params->offset_Y, tmp_width); |
02e792fb DV |
842 | regs->SHEIGHT = params->src_h; |
843 | regs->OBUF_0Y = bo_priv->gtt_offset + params-> offset_Y; | |
844 | regs->OSTRIDE = params->stride_Y; | |
845 | ||
846 | if (params->format & I915_OVERLAY_YUV_PLANAR) { | |
847 | int uv_hscale = uv_hsubsampling(params->format); | |
848 | int uv_vscale = uv_vsubsampling(params->format); | |
849 | u32 tmp_U, tmp_V; | |
850 | regs->SWIDTH |= (params->src_w/uv_hscale) << 16; | |
851 | tmp_U = calc_swidthsw(overlay->dev, params->offset_U, | |
722506f0 | 852 | params->src_w/uv_hscale); |
02e792fb | 853 | tmp_V = calc_swidthsw(overlay->dev, params->offset_V, |
722506f0 | 854 | params->src_w/uv_hscale); |
02e792fb DV |
855 | regs->SWIDTHSW |= max_t(u32, tmp_U, tmp_V) << 16; |
856 | regs->SHEIGHT |= (params->src_h/uv_vscale) << 16; | |
857 | regs->OBUF_0U = bo_priv->gtt_offset + params->offset_U; | |
858 | regs->OBUF_0V = bo_priv->gtt_offset + params->offset_V; | |
859 | regs->OSTRIDE |= params->stride_UV << 16; | |
860 | } | |
861 | ||
862 | scale_changed = update_scaling_factors(overlay, regs, params); | |
863 | ||
864 | update_colorkey(overlay, regs); | |
865 | ||
866 | regs->OCMD = overlay_cmd_reg(params); | |
867 | ||
8d74f656 | 868 | intel_overlay_unmap_regs(overlay); |
02e792fb DV |
869 | |
870 | intel_overlay_continue(overlay, scale_changed); | |
871 | ||
872 | overlay->old_vid_bo = overlay->vid_bo; | |
23010e43 | 873 | overlay->vid_bo = to_intel_bo(new_bo); |
02e792fb DV |
874 | |
875 | return 0; | |
876 | ||
877 | out_unpin: | |
878 | i915_gem_object_unpin(new_bo); | |
879 | return ret; | |
880 | } | |
881 | ||
882 | int intel_overlay_switch_off(struct intel_overlay *overlay) | |
883 | { | |
884 | int ret; | |
885 | struct overlay_registers *regs; | |
02e792fb DV |
886 | struct drm_device *dev = overlay->dev; |
887 | ||
888 | BUG_ON(!mutex_is_locked(&dev->struct_mutex)); | |
889 | BUG_ON(!mutex_is_locked(&dev->mode_config.mutex)); | |
890 | ||
9bedb974 DV |
891 | if (overlay->hw_wedged) { |
892 | ret = intel_overlay_recover_from_interrupt(overlay, 1); | |
893 | if (ret != 0) | |
894 | return ret; | |
895 | } | |
896 | ||
02e792fb DV |
897 | if (!overlay->active) |
898 | return 0; | |
899 | ||
02e792fb DV |
900 | ret = intel_overlay_release_old_vid(overlay); |
901 | if (ret != 0) | |
902 | return ret; | |
903 | ||
8d74f656 | 904 | regs = intel_overlay_map_regs(overlay); |
02e792fb | 905 | regs->OCMD = 0; |
8d74f656 | 906 | intel_overlay_unmap_regs(overlay); |
02e792fb DV |
907 | |
908 | ret = intel_overlay_off(overlay); | |
03f77ea5 DV |
909 | if (ret != 0) |
910 | return ret; | |
911 | ||
12ca45fe | 912 | intel_overlay_off_tail(overlay); |
02e792fb DV |
913 | |
914 | return 0; | |
915 | } | |
916 | ||
917 | static int check_overlay_possible_on_crtc(struct intel_overlay *overlay, | |
918 | struct intel_crtc *crtc) | |
919 | { | |
722506f0 | 920 | drm_i915_private_t *dev_priv = overlay->dev->dev_private; |
02e792fb DV |
921 | u32 pipeconf; |
922 | int pipeconf_reg = (crtc->pipe == 0) ? PIPEACONF : PIPEBCONF; | |
923 | ||
924 | if (!crtc->base.enabled || crtc->dpms_mode != DRM_MODE_DPMS_ON) | |
925 | return -EINVAL; | |
926 | ||
927 | pipeconf = I915_READ(pipeconf_reg); | |
928 | ||
929 | /* can't use the overlay with double wide pipe */ | |
930 | if (!IS_I965G(overlay->dev) && pipeconf & PIPEACONF_DOUBLE_WIDE) | |
931 | return -EINVAL; | |
932 | ||
933 | return 0; | |
934 | } | |
935 | ||
936 | static void update_pfit_vscale_ratio(struct intel_overlay *overlay) | |
937 | { | |
938 | struct drm_device *dev = overlay->dev; | |
722506f0 | 939 | drm_i915_private_t *dev_priv = dev->dev_private; |
02e792fb DV |
940 | u32 ratio; |
941 | u32 pfit_control = I915_READ(PFIT_CONTROL); | |
942 | ||
943 | /* XXX: This is not the same logic as in the xorg driver, but more in | |
944 | * line with the intel documentation for the i965 */ | |
945 | if (!IS_I965G(dev) && (pfit_control & VERT_AUTO_SCALE)) { | |
946 | ratio = I915_READ(PFIT_AUTO_RATIOS) >> PFIT_VERT_SCALE_SHIFT; | |
947 | } else { /* on i965 use the PGM reg to read out the autoscaler values */ | |
948 | ratio = I915_READ(PFIT_PGM_RATIOS); | |
949 | if (IS_I965G(dev)) | |
950 | ratio >>= PFIT_VERT_SCALE_SHIFT_965; | |
951 | else | |
952 | ratio >>= PFIT_VERT_SCALE_SHIFT; | |
953 | } | |
954 | ||
955 | overlay->pfit_vscale_ratio = ratio; | |
956 | } | |
957 | ||
958 | static int check_overlay_dst(struct intel_overlay *overlay, | |
959 | struct drm_intel_overlay_put_image *rec) | |
960 | { | |
961 | struct drm_display_mode *mode = &overlay->crtc->base.mode; | |
962 | ||
722506f0 CW |
963 | if (rec->dst_x < mode->crtc_hdisplay && |
964 | rec->dst_x + rec->dst_width <= mode->crtc_hdisplay && | |
965 | rec->dst_y < mode->crtc_vdisplay && | |
966 | rec->dst_y + rec->dst_height <= mode->crtc_vdisplay) | |
02e792fb DV |
967 | return 0; |
968 | else | |
969 | return -EINVAL; | |
970 | } | |
971 | ||
972 | static int check_overlay_scaling(struct put_image_params *rec) | |
973 | { | |
974 | u32 tmp; | |
975 | ||
976 | /* downscaling limit is 8.0 */ | |
977 | tmp = ((rec->src_scan_h << 16) / rec->dst_h) >> 16; | |
978 | if (tmp > 7) | |
979 | return -EINVAL; | |
980 | tmp = ((rec->src_scan_w << 16) / rec->dst_w) >> 16; | |
981 | if (tmp > 7) | |
982 | return -EINVAL; | |
983 | ||
984 | return 0; | |
985 | } | |
986 | ||
987 | static int check_overlay_src(struct drm_device *dev, | |
988 | struct drm_intel_overlay_put_image *rec, | |
989 | struct drm_gem_object *new_bo) | |
990 | { | |
991 | u32 stride_mask; | |
992 | int depth; | |
993 | int uv_hscale = uv_hsubsampling(rec->flags); | |
994 | int uv_vscale = uv_vsubsampling(rec->flags); | |
995 | size_t tmp; | |
996 | ||
997 | /* check src dimensions */ | |
998 | if (IS_845G(dev) || IS_I830(dev)) { | |
722506f0 CW |
999 | if (rec->src_height > IMAGE_MAX_HEIGHT_LEGACY || |
1000 | rec->src_width > IMAGE_MAX_WIDTH_LEGACY) | |
02e792fb DV |
1001 | return -EINVAL; |
1002 | } else { | |
722506f0 CW |
1003 | if (rec->src_height > IMAGE_MAX_HEIGHT || |
1004 | rec->src_width > IMAGE_MAX_WIDTH) | |
02e792fb DV |
1005 | return -EINVAL; |
1006 | } | |
1007 | /* better safe than sorry, use 4 as the maximal subsampling ratio */ | |
722506f0 CW |
1008 | if (rec->src_height < N_VERT_Y_TAPS*4 || |
1009 | rec->src_width < N_HORIZ_Y_TAPS*4) | |
02e792fb DV |
1010 | return -EINVAL; |
1011 | ||
a1efd14a | 1012 | /* check alignment constraints */ |
02e792fb | 1013 | switch (rec->flags & I915_OVERLAY_TYPE_MASK) { |
722506f0 CW |
1014 | case I915_OVERLAY_RGB: |
1015 | /* not implemented */ | |
1016 | return -EINVAL; | |
1017 | case I915_OVERLAY_YUV_PACKED: | |
1018 | depth = packed_depth_bytes(rec->flags); | |
1019 | if (uv_vscale != 1) | |
02e792fb | 1020 | return -EINVAL; |
722506f0 CW |
1021 | if (depth < 0) |
1022 | return depth; | |
1023 | /* ignore UV planes */ | |
1024 | rec->stride_UV = 0; | |
1025 | rec->offset_U = 0; | |
1026 | rec->offset_V = 0; | |
1027 | /* check pixel alignment */ | |
1028 | if (rec->offset_Y % depth) | |
1029 | return -EINVAL; | |
1030 | break; | |
1031 | case I915_OVERLAY_YUV_PLANAR: | |
1032 | if (uv_vscale < 0 || uv_hscale < 0) | |
02e792fb | 1033 | return -EINVAL; |
722506f0 CW |
1034 | /* no offset restrictions for planar formats */ |
1035 | break; | |
1036 | default: | |
1037 | return -EINVAL; | |
02e792fb DV |
1038 | } |
1039 | ||
1040 | if (rec->src_width % uv_hscale) | |
1041 | return -EINVAL; | |
1042 | ||
1043 | /* stride checking */ | |
a1efd14a CW |
1044 | if (IS_I830(dev) || IS_845G(dev)) |
1045 | stride_mask = 255; | |
1046 | else | |
1047 | stride_mask = 63; | |
02e792fb DV |
1048 | |
1049 | if (rec->stride_Y & stride_mask || rec->stride_UV & stride_mask) | |
1050 | return -EINVAL; | |
1051 | if (IS_I965G(dev) && rec->stride_Y < 512) | |
1052 | return -EINVAL; | |
1053 | ||
1054 | tmp = (rec->flags & I915_OVERLAY_TYPE_MASK) == I915_OVERLAY_YUV_PLANAR ? | |
1055 | 4 : 8; | |
1056 | if (rec->stride_Y > tmp*1024 || rec->stride_UV > 2*1024) | |
1057 | return -EINVAL; | |
1058 | ||
1059 | /* check buffer dimensions */ | |
1060 | switch (rec->flags & I915_OVERLAY_TYPE_MASK) { | |
722506f0 CW |
1061 | case I915_OVERLAY_RGB: |
1062 | case I915_OVERLAY_YUV_PACKED: | |
1063 | /* always 4 Y values per depth pixels */ | |
1064 | if (packed_width_bytes(rec->flags, rec->src_width) > rec->stride_Y) | |
1065 | return -EINVAL; | |
1066 | ||
1067 | tmp = rec->stride_Y*rec->src_height; | |
1068 | if (rec->offset_Y + tmp > new_bo->size) | |
1069 | return -EINVAL; | |
1070 | break; | |
1071 | ||
1072 | case I915_OVERLAY_YUV_PLANAR: | |
1073 | if (rec->src_width > rec->stride_Y) | |
1074 | return -EINVAL; | |
1075 | if (rec->src_width/uv_hscale > rec->stride_UV) | |
1076 | return -EINVAL; | |
1077 | ||
1078 | tmp = rec->stride_Y*rec->src_height; | |
1079 | if (rec->offset_Y + tmp > new_bo->size) | |
1080 | return -EINVAL; | |
1081 | tmp = rec->stride_UV*rec->src_height; | |
1082 | tmp /= uv_vscale; | |
1083 | if (rec->offset_U + tmp > new_bo->size || | |
1084 | rec->offset_V + tmp > new_bo->size) | |
1085 | return -EINVAL; | |
1086 | break; | |
02e792fb DV |
1087 | } |
1088 | ||
1089 | return 0; | |
1090 | } | |
1091 | ||
1092 | int intel_overlay_put_image(struct drm_device *dev, void *data, | |
1093 | struct drm_file *file_priv) | |
1094 | { | |
1095 | struct drm_intel_overlay_put_image *put_image_rec = data; | |
1096 | drm_i915_private_t *dev_priv = dev->dev_private; | |
1097 | struct intel_overlay *overlay; | |
1098 | struct drm_mode_object *drmmode_obj; | |
1099 | struct intel_crtc *crtc; | |
1100 | struct drm_gem_object *new_bo; | |
1101 | struct put_image_params *params; | |
1102 | int ret; | |
1103 | ||
1104 | if (!dev_priv) { | |
1105 | DRM_ERROR("called with no initialization\n"); | |
1106 | return -EINVAL; | |
1107 | } | |
1108 | ||
1109 | overlay = dev_priv->overlay; | |
1110 | if (!overlay) { | |
1111 | DRM_DEBUG("userspace bug: no overlay\n"); | |
1112 | return -ENODEV; | |
1113 | } | |
1114 | ||
1115 | if (!(put_image_rec->flags & I915_OVERLAY_ENABLE)) { | |
1116 | mutex_lock(&dev->mode_config.mutex); | |
1117 | mutex_lock(&dev->struct_mutex); | |
1118 | ||
1119 | ret = intel_overlay_switch_off(overlay); | |
1120 | ||
1121 | mutex_unlock(&dev->struct_mutex); | |
1122 | mutex_unlock(&dev->mode_config.mutex); | |
1123 | ||
1124 | return ret; | |
1125 | } | |
1126 | ||
1127 | params = kmalloc(sizeof(struct put_image_params), GFP_KERNEL); | |
1128 | if (!params) | |
1129 | return -ENOMEM; | |
1130 | ||
1131 | drmmode_obj = drm_mode_object_find(dev, put_image_rec->crtc_id, | |
722506f0 | 1132 | DRM_MODE_OBJECT_CRTC); |
915a428e DC |
1133 | if (!drmmode_obj) { |
1134 | ret = -ENOENT; | |
1135 | goto out_free; | |
1136 | } | |
02e792fb DV |
1137 | crtc = to_intel_crtc(obj_to_crtc(drmmode_obj)); |
1138 | ||
1139 | new_bo = drm_gem_object_lookup(dev, file_priv, | |
722506f0 | 1140 | put_image_rec->bo_handle); |
915a428e DC |
1141 | if (!new_bo) { |
1142 | ret = -ENOENT; | |
1143 | goto out_free; | |
1144 | } | |
02e792fb DV |
1145 | |
1146 | mutex_lock(&dev->mode_config.mutex); | |
1147 | mutex_lock(&dev->struct_mutex); | |
1148 | ||
03f77ea5 DV |
1149 | if (overlay->hw_wedged) { |
1150 | ret = intel_overlay_recover_from_interrupt(overlay, 1); | |
1151 | if (ret != 0) | |
1152 | goto out_unlock; | |
1153 | } | |
1154 | ||
02e792fb DV |
1155 | if (overlay->crtc != crtc) { |
1156 | struct drm_display_mode *mode = &crtc->base.mode; | |
1157 | ret = intel_overlay_switch_off(overlay); | |
1158 | if (ret != 0) | |
1159 | goto out_unlock; | |
1160 | ||
1161 | ret = check_overlay_possible_on_crtc(overlay, crtc); | |
1162 | if (ret != 0) | |
1163 | goto out_unlock; | |
1164 | ||
1165 | overlay->crtc = crtc; | |
1166 | crtc->overlay = overlay; | |
1167 | ||
1168 | if (intel_panel_fitter_pipe(dev) == crtc->pipe | |
1169 | /* and line to wide, i.e. one-line-mode */ | |
1170 | && mode->hdisplay > 1024) { | |
1171 | overlay->pfit_active = 1; | |
1172 | update_pfit_vscale_ratio(overlay); | |
1173 | } else | |
1174 | overlay->pfit_active = 0; | |
1175 | } | |
1176 | ||
1177 | ret = check_overlay_dst(overlay, put_image_rec); | |
1178 | if (ret != 0) | |
1179 | goto out_unlock; | |
1180 | ||
1181 | if (overlay->pfit_active) { | |
1182 | params->dst_y = ((((u32)put_image_rec->dst_y) << 12) / | |
722506f0 | 1183 | overlay->pfit_vscale_ratio); |
02e792fb DV |
1184 | /* shifting right rounds downwards, so add 1 */ |
1185 | params->dst_h = ((((u32)put_image_rec->dst_height) << 12) / | |
722506f0 | 1186 | overlay->pfit_vscale_ratio) + 1; |
02e792fb DV |
1187 | } else { |
1188 | params->dst_y = put_image_rec->dst_y; | |
1189 | params->dst_h = put_image_rec->dst_height; | |
1190 | } | |
1191 | params->dst_x = put_image_rec->dst_x; | |
1192 | params->dst_w = put_image_rec->dst_width; | |
1193 | ||
1194 | params->src_w = put_image_rec->src_width; | |
1195 | params->src_h = put_image_rec->src_height; | |
1196 | params->src_scan_w = put_image_rec->src_scan_width; | |
1197 | params->src_scan_h = put_image_rec->src_scan_height; | |
722506f0 CW |
1198 | if (params->src_scan_h > params->src_h || |
1199 | params->src_scan_w > params->src_w) { | |
02e792fb DV |
1200 | ret = -EINVAL; |
1201 | goto out_unlock; | |
1202 | } | |
1203 | ||
1204 | ret = check_overlay_src(dev, put_image_rec, new_bo); | |
1205 | if (ret != 0) | |
1206 | goto out_unlock; | |
1207 | params->format = put_image_rec->flags & ~I915_OVERLAY_FLAGS_MASK; | |
1208 | params->stride_Y = put_image_rec->stride_Y; | |
1209 | params->stride_UV = put_image_rec->stride_UV; | |
1210 | params->offset_Y = put_image_rec->offset_Y; | |
1211 | params->offset_U = put_image_rec->offset_U; | |
1212 | params->offset_V = put_image_rec->offset_V; | |
1213 | ||
1214 | /* Check scaling after src size to prevent a divide-by-zero. */ | |
1215 | ret = check_overlay_scaling(params); | |
1216 | if (ret != 0) | |
1217 | goto out_unlock; | |
1218 | ||
1219 | ret = intel_overlay_do_put_image(overlay, new_bo, params); | |
1220 | if (ret != 0) | |
1221 | goto out_unlock; | |
1222 | ||
1223 | mutex_unlock(&dev->struct_mutex); | |
1224 | mutex_unlock(&dev->mode_config.mutex); | |
1225 | ||
1226 | kfree(params); | |
1227 | ||
1228 | return 0; | |
1229 | ||
1230 | out_unlock: | |
1231 | mutex_unlock(&dev->struct_mutex); | |
1232 | mutex_unlock(&dev->mode_config.mutex); | |
bc9025bd | 1233 | drm_gem_object_unreference_unlocked(new_bo); |
915a428e | 1234 | out_free: |
02e792fb DV |
1235 | kfree(params); |
1236 | ||
1237 | return ret; | |
1238 | } | |
1239 | ||
1240 | static void update_reg_attrs(struct intel_overlay *overlay, | |
1241 | struct overlay_registers *regs) | |
1242 | { | |
1243 | regs->OCLRC0 = (overlay->contrast << 18) | (overlay->brightness & 0xff); | |
1244 | regs->OCLRC1 = overlay->saturation; | |
1245 | } | |
1246 | ||
1247 | static bool check_gamma_bounds(u32 gamma1, u32 gamma2) | |
1248 | { | |
1249 | int i; | |
1250 | ||
1251 | if (gamma1 & 0xff000000 || gamma2 & 0xff000000) | |
1252 | return false; | |
1253 | ||
1254 | for (i = 0; i < 3; i++) { | |
722506f0 | 1255 | if (((gamma1 >> i*8) & 0xff) >= ((gamma2 >> i*8) & 0xff)) |
02e792fb DV |
1256 | return false; |
1257 | } | |
1258 | ||
1259 | return true; | |
1260 | } | |
1261 | ||
1262 | static bool check_gamma5_errata(u32 gamma5) | |
1263 | { | |
1264 | int i; | |
1265 | ||
1266 | for (i = 0; i < 3; i++) { | |
1267 | if (((gamma5 >> i*8) & 0xff) == 0x80) | |
1268 | return false; | |
1269 | } | |
1270 | ||
1271 | return true; | |
1272 | } | |
1273 | ||
1274 | static int check_gamma(struct drm_intel_overlay_attrs *attrs) | |
1275 | { | |
722506f0 CW |
1276 | if (!check_gamma_bounds(0, attrs->gamma0) || |
1277 | !check_gamma_bounds(attrs->gamma0, attrs->gamma1) || | |
1278 | !check_gamma_bounds(attrs->gamma1, attrs->gamma2) || | |
1279 | !check_gamma_bounds(attrs->gamma2, attrs->gamma3) || | |
1280 | !check_gamma_bounds(attrs->gamma3, attrs->gamma4) || | |
1281 | !check_gamma_bounds(attrs->gamma4, attrs->gamma5) || | |
1282 | !check_gamma_bounds(attrs->gamma5, 0x00ffffff)) | |
02e792fb | 1283 | return -EINVAL; |
722506f0 | 1284 | |
02e792fb DV |
1285 | if (!check_gamma5_errata(attrs->gamma5)) |
1286 | return -EINVAL; | |
722506f0 | 1287 | |
02e792fb DV |
1288 | return 0; |
1289 | } | |
1290 | ||
1291 | int intel_overlay_attrs(struct drm_device *dev, void *data, | |
1292 | struct drm_file *file_priv) | |
1293 | { | |
1294 | struct drm_intel_overlay_attrs *attrs = data; | |
1295 | drm_i915_private_t *dev_priv = dev->dev_private; | |
1296 | struct intel_overlay *overlay; | |
1297 | struct overlay_registers *regs; | |
1298 | int ret; | |
1299 | ||
1300 | if (!dev_priv) { | |
1301 | DRM_ERROR("called with no initialization\n"); | |
1302 | return -EINVAL; | |
1303 | } | |
1304 | ||
1305 | overlay = dev_priv->overlay; | |
1306 | if (!overlay) { | |
1307 | DRM_DEBUG("userspace bug: no overlay\n"); | |
1308 | return -ENODEV; | |
1309 | } | |
1310 | ||
1311 | mutex_lock(&dev->mode_config.mutex); | |
1312 | mutex_lock(&dev->struct_mutex); | |
1313 | ||
60fc332c | 1314 | ret = -EINVAL; |
02e792fb | 1315 | if (!(attrs->flags & I915_OVERLAY_UPDATE_ATTRS)) { |
60fc332c | 1316 | attrs->color_key = overlay->color_key; |
02e792fb | 1317 | attrs->brightness = overlay->brightness; |
60fc332c | 1318 | attrs->contrast = overlay->contrast; |
02e792fb DV |
1319 | attrs->saturation = overlay->saturation; |
1320 | ||
1321 | if (IS_I9XX(dev)) { | |
1322 | attrs->gamma0 = I915_READ(OGAMC0); | |
1323 | attrs->gamma1 = I915_READ(OGAMC1); | |
1324 | attrs->gamma2 = I915_READ(OGAMC2); | |
1325 | attrs->gamma3 = I915_READ(OGAMC3); | |
1326 | attrs->gamma4 = I915_READ(OGAMC4); | |
1327 | attrs->gamma5 = I915_READ(OGAMC5); | |
1328 | } | |
02e792fb | 1329 | } else { |
60fc332c | 1330 | if (attrs->brightness < -128 || attrs->brightness > 127) |
02e792fb | 1331 | goto out_unlock; |
60fc332c | 1332 | if (attrs->contrast > 255) |
02e792fb | 1333 | goto out_unlock; |
60fc332c | 1334 | if (attrs->saturation > 1023) |
02e792fb | 1335 | goto out_unlock; |
60fc332c CW |
1336 | |
1337 | overlay->color_key = attrs->color_key; | |
1338 | overlay->brightness = attrs->brightness; | |
1339 | overlay->contrast = attrs->contrast; | |
1340 | overlay->saturation = attrs->saturation; | |
02e792fb | 1341 | |
8d74f656 | 1342 | regs = intel_overlay_map_regs(overlay); |
02e792fb DV |
1343 | if (!regs) { |
1344 | ret = -ENOMEM; | |
1345 | goto out_unlock; | |
1346 | } | |
1347 | ||
1348 | update_reg_attrs(overlay, regs); | |
1349 | ||
8d74f656 | 1350 | intel_overlay_unmap_regs(overlay); |
02e792fb DV |
1351 | |
1352 | if (attrs->flags & I915_OVERLAY_UPDATE_GAMMA) { | |
60fc332c | 1353 | if (!IS_I9XX(dev)) |
02e792fb | 1354 | goto out_unlock; |
02e792fb DV |
1355 | |
1356 | if (overlay->active) { | |
1357 | ret = -EBUSY; | |
1358 | goto out_unlock; | |
1359 | } | |
1360 | ||
1361 | ret = check_gamma(attrs); | |
60fc332c | 1362 | if (ret) |
02e792fb DV |
1363 | goto out_unlock; |
1364 | ||
1365 | I915_WRITE(OGAMC0, attrs->gamma0); | |
1366 | I915_WRITE(OGAMC1, attrs->gamma1); | |
1367 | I915_WRITE(OGAMC2, attrs->gamma2); | |
1368 | I915_WRITE(OGAMC3, attrs->gamma3); | |
1369 | I915_WRITE(OGAMC4, attrs->gamma4); | |
1370 | I915_WRITE(OGAMC5, attrs->gamma5); | |
1371 | } | |
02e792fb DV |
1372 | } |
1373 | ||
60fc332c | 1374 | ret = 0; |
02e792fb DV |
1375 | out_unlock: |
1376 | mutex_unlock(&dev->struct_mutex); | |
1377 | mutex_unlock(&dev->mode_config.mutex); | |
1378 | ||
1379 | return ret; | |
1380 | } | |
1381 | ||
1382 | void intel_setup_overlay(struct drm_device *dev) | |
1383 | { | |
1384 | drm_i915_private_t *dev_priv = dev->dev_private; | |
1385 | struct intel_overlay *overlay; | |
1386 | struct drm_gem_object *reg_bo; | |
1387 | struct overlay_registers *regs; | |
1388 | int ret; | |
1389 | ||
31578148 | 1390 | if (!HAS_OVERLAY(dev)) |
02e792fb DV |
1391 | return; |
1392 | ||
1393 | overlay = kzalloc(sizeof(struct intel_overlay), GFP_KERNEL); | |
1394 | if (!overlay) | |
1395 | return; | |
1396 | overlay->dev = dev; | |
1397 | ||
ac52bc56 | 1398 | reg_bo = i915_gem_alloc_object(dev, PAGE_SIZE); |
02e792fb DV |
1399 | if (!reg_bo) |
1400 | goto out_free; | |
23010e43 | 1401 | overlay->reg_bo = to_intel_bo(reg_bo); |
02e792fb | 1402 | |
31578148 CW |
1403 | if (OVERLAY_NEEDS_PHYSICAL(dev)) { |
1404 | ret = i915_gem_attach_phys_object(dev, reg_bo, | |
1405 | I915_GEM_PHYS_OVERLAY_REGS, | |
a2930128 | 1406 | PAGE_SIZE); |
31578148 CW |
1407 | if (ret) { |
1408 | DRM_ERROR("failed to attach phys overlay regs\n"); | |
1409 | goto out_free_bo; | |
1410 | } | |
1411 | overlay->flip_addr = overlay->reg_bo->phys_obj->handle->busaddr; | |
1412 | } else { | |
02e792fb DV |
1413 | ret = i915_gem_object_pin(reg_bo, PAGE_SIZE); |
1414 | if (ret) { | |
1415 | DRM_ERROR("failed to pin overlay register bo\n"); | |
1416 | goto out_free_bo; | |
1417 | } | |
1418 | overlay->flip_addr = overlay->reg_bo->gtt_offset; | |
0ddc1289 CW |
1419 | |
1420 | ret = i915_gem_object_set_to_gtt_domain(reg_bo, true); | |
1421 | if (ret) { | |
1422 | DRM_ERROR("failed to move overlay register bo into the GTT\n"); | |
1423 | goto out_unpin_bo; | |
1424 | } | |
02e792fb DV |
1425 | } |
1426 | ||
1427 | /* init all values */ | |
1428 | overlay->color_key = 0x0101fe; | |
1429 | overlay->brightness = -19; | |
1430 | overlay->contrast = 75; | |
1431 | overlay->saturation = 146; | |
1432 | ||
8d74f656 | 1433 | regs = intel_overlay_map_regs(overlay); |
02e792fb DV |
1434 | if (!regs) |
1435 | goto out_free_bo; | |
1436 | ||
1437 | memset(regs, 0, sizeof(struct overlay_registers)); | |
1438 | update_polyphase_filter(regs); | |
1439 | ||
1440 | update_reg_attrs(overlay, regs); | |
1441 | ||
8d74f656 | 1442 | intel_overlay_unmap_regs(overlay); |
02e792fb DV |
1443 | |
1444 | dev_priv->overlay = overlay; | |
1445 | DRM_INFO("initialized overlay support\n"); | |
1446 | return; | |
1447 | ||
0ddc1289 CW |
1448 | out_unpin_bo: |
1449 | i915_gem_object_unpin(reg_bo); | |
02e792fb DV |
1450 | out_free_bo: |
1451 | drm_gem_object_unreference(reg_bo); | |
1452 | out_free: | |
1453 | kfree(overlay); | |
1454 | return; | |
1455 | } | |
1456 | ||
1457 | void intel_cleanup_overlay(struct drm_device *dev) | |
1458 | { | |
722506f0 | 1459 | drm_i915_private_t *dev_priv = dev->dev_private; |
02e792fb | 1460 | |
62cf4e6f CW |
1461 | if (!dev_priv->overlay) |
1462 | return; | |
02e792fb | 1463 | |
62cf4e6f CW |
1464 | /* The bo's should be free'd by the generic code already. |
1465 | * Furthermore modesetting teardown happens beforehand so the | |
1466 | * hardware should be off already */ | |
1467 | BUG_ON(dev_priv->overlay->active); | |
1468 | ||
1469 | drm_gem_object_unreference_unlocked(&dev_priv->overlay->reg_bo->base); | |
1470 | kfree(dev_priv->overlay); | |
02e792fb | 1471 | } |
6ef3d427 CW |
1472 | |
1473 | struct intel_overlay_error_state { | |
1474 | struct overlay_registers regs; | |
1475 | unsigned long base; | |
1476 | u32 dovsta; | |
1477 | u32 isr; | |
1478 | }; | |
1479 | ||
1480 | struct intel_overlay_error_state * | |
1481 | intel_overlay_capture_error_state(struct drm_device *dev) | |
1482 | { | |
1483 | drm_i915_private_t *dev_priv = dev->dev_private; | |
1484 | struct intel_overlay *overlay = dev_priv->overlay; | |
1485 | struct intel_overlay_error_state *error; | |
1486 | struct overlay_registers __iomem *regs; | |
1487 | ||
1488 | if (!overlay || !overlay->active) | |
1489 | return NULL; | |
1490 | ||
1491 | error = kmalloc(sizeof(*error), GFP_ATOMIC); | |
1492 | if (error == NULL) | |
1493 | return NULL; | |
1494 | ||
1495 | error->dovsta = I915_READ(DOVSTA); | |
1496 | error->isr = I915_READ(ISR); | |
31578148 | 1497 | if (OVERLAY_NEEDS_PHYSICAL(overlay->dev)) |
6ef3d427 | 1498 | error->base = (long) overlay->reg_bo->phys_obj->handle->vaddr; |
31578148 CW |
1499 | else |
1500 | error->base = (long) overlay->reg_bo->gtt_offset; | |
6ef3d427 | 1501 | |
8d74f656 | 1502 | regs = intel_overlay_map_regs_atomic(overlay, KM_IRQ0); |
6ef3d427 CW |
1503 | if (!regs) |
1504 | goto err; | |
1505 | ||
1506 | memcpy_fromio(&error->regs, regs, sizeof(struct overlay_registers)); | |
8d74f656 | 1507 | intel_overlay_unmap_regs_atomic(overlay, KM_IRQ0); |
6ef3d427 CW |
1508 | |
1509 | return error; | |
1510 | ||
1511 | err: | |
1512 | kfree(error); | |
1513 | return NULL; | |
1514 | } | |
1515 | ||
1516 | void | |
1517 | intel_overlay_print_error_state(struct seq_file *m, struct intel_overlay_error_state *error) | |
1518 | { | |
1519 | seq_printf(m, "Overlay, status: 0x%08x, interrupt: 0x%08x\n", | |
1520 | error->dovsta, error->isr); | |
1521 | seq_printf(m, " Register file at 0x%08lx:\n", | |
1522 | error->base); | |
1523 | ||
1524 | #define P(x) seq_printf(m, " " #x ": 0x%08x\n", error->regs.x) | |
1525 | P(OBUF_0Y); | |
1526 | P(OBUF_1Y); | |
1527 | P(OBUF_0U); | |
1528 | P(OBUF_0V); | |
1529 | P(OBUF_1U); | |
1530 | P(OBUF_1V); | |
1531 | P(OSTRIDE); | |
1532 | P(YRGB_VPH); | |
1533 | P(UV_VPH); | |
1534 | P(HORZ_PH); | |
1535 | P(INIT_PHS); | |
1536 | P(DWINPOS); | |
1537 | P(DWINSZ); | |
1538 | P(SWIDTH); | |
1539 | P(SWIDTHSW); | |
1540 | P(SHEIGHT); | |
1541 | P(YRGBSCALE); | |
1542 | P(UVSCALE); | |
1543 | P(OCLRC0); | |
1544 | P(OCLRC1); | |
1545 | P(DCLRKV); | |
1546 | P(DCLRKM); | |
1547 | P(SCLRKVH); | |
1548 | P(SCLRKVL); | |
1549 | P(SCLRKEN); | |
1550 | P(OCONFIG); | |
1551 | P(OCMD); | |
1552 | P(OSTART_0Y); | |
1553 | P(OSTART_1Y); | |
1554 | P(OSTART_0U); | |
1555 | P(OSTART_0V); | |
1556 | P(OSTART_1U); | |
1557 | P(OSTART_1V); | |
1558 | P(OTILEOFF_0Y); | |
1559 | P(OTILEOFF_1Y); | |
1560 | P(OTILEOFF_0U); | |
1561 | P(OTILEOFF_0V); | |
1562 | P(OTILEOFF_1U); | |
1563 | P(OTILEOFF_1V); | |
1564 | P(FASTHSCALE); | |
1565 | P(UVSCALEV); | |
1566 | #undef P | |
1567 | } |