1 /*
2 * Copyright 2018 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22 #include "wndw.h"
23 #include "wimm.h"
24 #include "handles.h"
25
26 #include <nvif/class.h>
27 #include <nvif/cl0002.h>
28
29 #include <nvhw/class/cl507c.h>
30 #include <nvhw/class/cl507e.h>
31 #include <nvhw/class/clc37e.h>
32
33 #include <drm/drm_atomic_helper.h>
34 #include <drm/drm_fourcc.h>
35
36 #include "nouveau_bo.h"
37 #include "nouveau_gem.h"
38
39 static void
nv50_wndw_ctxdma_del(struct nv50_wndw_ctxdma * ctxdma)40 nv50_wndw_ctxdma_del(struct nv50_wndw_ctxdma *ctxdma)
41 {
42 nvif_object_dtor(&ctxdma->object);
43 list_del(&ctxdma->head);
44 kfree(ctxdma);
45 }
46
47 static struct nv50_wndw_ctxdma *
nv50_wndw_ctxdma_new(struct nv50_wndw * wndw,struct drm_framebuffer * fb)48 nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct drm_framebuffer *fb)
49 {
50 struct nouveau_drm *drm = nouveau_drm(fb->dev);
51 struct nv50_wndw_ctxdma *ctxdma;
52 u32 handle;
53 u32 unused;
54 u8 kind;
55 struct {
56 struct nv_dma_v0 base;
57 union {
58 struct nv50_dma_v0 nv50;
59 struct gf100_dma_v0 gf100;
60 struct gf119_dma_v0 gf119;
61 };
62 } args = {};
63 u32 argc = sizeof(args.base);
64 int ret;
65
66 nouveau_framebuffer_get_layout(fb, &unused, &kind);
67 handle = NV50_DISP_HANDLE_WNDW_CTX(kind);
68
69 list_for_each_entry(ctxdma, &wndw->ctxdma.list, head) {
70 if (ctxdma->object.handle == handle)
71 return ctxdma;
72 }
73
74 if (!(ctxdma = kzalloc(sizeof(*ctxdma), GFP_KERNEL)))
75 return ERR_PTR(-ENOMEM);
76 list_add(&ctxdma->head, &wndw->ctxdma.list);
77
78 args.base.target = NV_DMA_V0_TARGET_VRAM;
79 args.base.access = NV_DMA_V0_ACCESS_RDWR;
80 args.base.start = 0;
81 args.base.limit = drm->client.device.info.ram_user - 1;
82
83 if (drm->client.device.info.chipset < 0x80) {
84 args.nv50.part = NV50_DMA_V0_PART_256;
85 argc += sizeof(args.nv50);
86 } else
87 if (drm->client.device.info.chipset < 0xc0) {
88 args.nv50.part = NV50_DMA_V0_PART_256;
89 args.nv50.kind = kind;
90 argc += sizeof(args.nv50);
91 } else
92 if (drm->client.device.info.chipset < 0xd0) {
93 args.gf100.kind = kind;
94 argc += sizeof(args.gf100);
95 } else {
96 args.gf119.page = GF119_DMA_V0_PAGE_LP;
97 args.gf119.kind = kind;
98 argc += sizeof(args.gf119);
99 }
100
101 ret = nvif_object_ctor(wndw->ctxdma.parent, "kmsFbCtxDma", handle,
102 NV_DMA_IN_MEMORY, &args, argc, &ctxdma->object);
103 if (ret) {
104 nv50_wndw_ctxdma_del(ctxdma);
105 return ERR_PTR(ret);
106 }
107
108 return ctxdma;
109 }
110
111 int
nv50_wndw_wait_armed(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw)112 nv50_wndw_wait_armed(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
113 {
114 struct nv50_disp *disp = nv50_disp(wndw->plane.dev);
115 if (asyw->set.ntfy) {
116 return wndw->func->ntfy_wait_begun(disp->sync,
117 asyw->ntfy.offset,
118 wndw->wndw.base.device);
119 }
120 return 0;
121 }
122
123 void
nv50_wndw_flush_clr(struct nv50_wndw * wndw,u32 * interlock,bool flush,struct nv50_wndw_atom * asyw)124 nv50_wndw_flush_clr(struct nv50_wndw *wndw, u32 *interlock, bool flush,
125 struct nv50_wndw_atom *asyw)
126 {
127 union nv50_wndw_atom_mask clr = {
128 .mask = asyw->clr.mask & ~(flush ? 0 : asyw->set.mask),
129 };
130 if (clr.sema ) wndw->func-> sema_clr(wndw);
131 if (clr.ntfy ) wndw->func-> ntfy_clr(wndw);
132 if (clr.xlut ) wndw->func-> xlut_clr(wndw);
133 if (clr.csc ) wndw->func-> csc_clr(wndw);
134 if (clr.image) wndw->func->image_clr(wndw);
135
136 interlock[wndw->interlock.type] |= wndw->interlock.data;
137 }
138
139 void
nv50_wndw_flush_set(struct nv50_wndw * wndw,u32 * interlock,struct nv50_wndw_atom * asyw)140 nv50_wndw_flush_set(struct nv50_wndw *wndw, u32 *interlock,
141 struct nv50_wndw_atom *asyw)
142 {
143 if (interlock[NV50_DISP_INTERLOCK_CORE]) {
144 asyw->image.mode = NV507C_SET_PRESENT_CONTROL_BEGIN_MODE_NON_TEARING;
145 asyw->image.interval = 1;
146 }
147
148 if (asyw->set.sema ) wndw->func->sema_set (wndw, asyw);
149 if (asyw->set.ntfy ) wndw->func->ntfy_set (wndw, asyw);
150 if (asyw->set.image) wndw->func->image_set(wndw, asyw);
151
152 if (asyw->set.xlut ) {
153 if (asyw->ilut) {
154 asyw->xlut.i.offset =
155 nv50_lut_load(&wndw->ilut, asyw->xlut.i.buffer,
156 asyw->ilut, asyw->xlut.i.load);
157 }
158 wndw->func->xlut_set(wndw, asyw);
159 }
160
161 if (asyw->set.csc ) wndw->func->csc_set (wndw, asyw);
162 if (asyw->set.scale) wndw->func->scale_set(wndw, asyw);
163 if (asyw->set.blend) wndw->func->blend_set(wndw, asyw);
164 if (asyw->set.point) {
165 if (asyw->set.point = false, asyw->set.mask)
166 interlock[wndw->interlock.type] |= wndw->interlock.data;
167 interlock[NV50_DISP_INTERLOCK_WIMM] |= wndw->interlock.wimm;
168
169 wndw->immd->point(wndw, asyw);
170 wndw->immd->update(wndw, interlock);
171 } else {
172 interlock[wndw->interlock.type] |= wndw->interlock.data;
173 }
174 }
175
176 void
nv50_wndw_ntfy_enable(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw)177 nv50_wndw_ntfy_enable(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
178 {
179 struct nv50_disp *disp = nv50_disp(wndw->plane.dev);
180
181 asyw->ntfy.handle = wndw->wndw.sync.handle;
182 asyw->ntfy.offset = wndw->ntfy;
183 asyw->ntfy.awaken = false;
184 asyw->set.ntfy = true;
185
186 wndw->func->ntfy_reset(disp->sync, wndw->ntfy);
187 wndw->ntfy ^= 0x10;
188 }
189
190 static void
nv50_wndw_atomic_check_release(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw,struct nv50_head_atom * asyh)191 nv50_wndw_atomic_check_release(struct nv50_wndw *wndw,
192 struct nv50_wndw_atom *asyw,
193 struct nv50_head_atom *asyh)
194 {
195 struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev);
196 NV_ATOMIC(drm, "%s release\n", wndw->plane.name);
197 wndw->func->release(wndw, asyw, asyh);
198 asyw->ntfy.handle = 0;
199 asyw->sema.handle = 0;
200 asyw->xlut.handle = 0;
201 memset(asyw->image.handle, 0x00, sizeof(asyw->image.handle));
202 }
203
204 static int
nv50_wndw_atomic_check_acquire_yuv(struct nv50_wndw_atom * asyw)205 nv50_wndw_atomic_check_acquire_yuv(struct nv50_wndw_atom *asyw)
206 {
207 switch (asyw->state.fb->format->format) {
208 case DRM_FORMAT_YUYV:
209 asyw->image.format = NV507E_SURFACE_SET_PARAMS_FORMAT_VE8YO8UE8YE8;
210 break;
211 case DRM_FORMAT_UYVY:
212 asyw->image.format = NV507E_SURFACE_SET_PARAMS_FORMAT_YO8VE8YE8UE8;
213 break;
214 default:
215 WARN_ON(1);
216 return -EINVAL;
217 }
218
219 asyw->image.colorspace = NV507E_SURFACE_SET_PARAMS_COLOR_SPACE_YUV_601;
220 return 0;
221 }
222
223 static int
nv50_wndw_atomic_check_acquire_rgb(struct nv50_wndw_atom * asyw)224 nv50_wndw_atomic_check_acquire_rgb(struct nv50_wndw_atom *asyw)
225 {
226 switch (asyw->state.fb->format->format) {
227 case DRM_FORMAT_C8:
228 asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_I8;
229 break;
230 case DRM_FORMAT_XRGB8888:
231 case DRM_FORMAT_ARGB8888:
232 asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_A8R8G8B8;
233 break;
234 case DRM_FORMAT_RGB565:
235 asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_R5G6B5;
236 break;
237 case DRM_FORMAT_XRGB1555:
238 case DRM_FORMAT_ARGB1555:
239 asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_A1R5G5B5;
240 break;
241 case DRM_FORMAT_XBGR2101010:
242 case DRM_FORMAT_ABGR2101010:
243 asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_A2B10G10R10;
244 break;
245 case DRM_FORMAT_XBGR8888:
246 case DRM_FORMAT_ABGR8888:
247 asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_A8B8G8R8;
248 break;
249 case DRM_FORMAT_XRGB2101010:
250 case DRM_FORMAT_ARGB2101010:
251 asyw->image.format = NVC37E_SET_PARAMS_FORMAT_A2R10G10B10;
252 break;
253 case DRM_FORMAT_XBGR16161616F:
254 case DRM_FORMAT_ABGR16161616F:
255 asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_RF16_GF16_BF16_AF16;
256 break;
257 default:
258 return -EINVAL;
259 }
260
261 asyw->image.colorspace = NV507E_SURFACE_SET_PARAMS_COLOR_SPACE_RGB;
262 return 0;
263 }
264
265 static int
nv50_wndw_atomic_check_acquire(struct nv50_wndw * wndw,bool modeset,struct nv50_wndw_atom * armw,struct nv50_wndw_atom * asyw,struct nv50_head_atom * asyh)266 nv50_wndw_atomic_check_acquire(struct nv50_wndw *wndw, bool modeset,
267 struct nv50_wndw_atom *armw,
268 struct nv50_wndw_atom *asyw,
269 struct nv50_head_atom *asyh)
270 {
271 struct drm_framebuffer *fb = asyw->state.fb;
272 struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev);
273 uint8_t kind;
274 uint32_t tile_mode;
275 int ret;
276
277 NV_ATOMIC(drm, "%s acquire\n", wndw->plane.name);
278
279 if (fb != armw->state.fb || !armw->visible || modeset) {
280 nouveau_framebuffer_get_layout(fb, &tile_mode, &kind);
281
282 asyw->image.w = fb->width;
283 asyw->image.h = fb->height;
284 asyw->image.kind = kind;
285
286 ret = nv50_wndw_atomic_check_acquire_rgb(asyw);
287 if (ret) {
288 ret = nv50_wndw_atomic_check_acquire_yuv(asyw);
289 if (ret)
290 return ret;
291 }
292
293 if (asyw->image.kind) {
294 asyw->image.layout = NV507C_SURFACE_SET_STORAGE_MEMORY_LAYOUT_BLOCKLINEAR;
295 if (drm->client.device.info.chipset >= 0xc0)
296 asyw->image.blockh = tile_mode >> 4;
297 else
298 asyw->image.blockh = tile_mode;
299 asyw->image.blocks[0] = fb->pitches[0] / 64;
300 asyw->image.pitch[0] = 0;
301 } else {
302 asyw->image.layout = NV507C_SURFACE_SET_STORAGE_MEMORY_LAYOUT_PITCH;
303 asyw->image.blockh = NV507C_SURFACE_SET_STORAGE_BLOCK_HEIGHT_ONE_GOB;
304 asyw->image.blocks[0] = 0;
305 asyw->image.pitch[0] = fb->pitches[0];
306 }
307
308 if (!asyh->state.async_flip)
309 asyw->image.interval = 1;
310 else
311 asyw->image.interval = 0;
312
313 if (asyw->image.interval)
314 asyw->image.mode = NV507C_SET_PRESENT_CONTROL_BEGIN_MODE_NON_TEARING;
315 else
316 asyw->image.mode = NV507C_SET_PRESENT_CONTROL_BEGIN_MODE_IMMEDIATE;
317
318 asyw->set.image = wndw->func->image_set != NULL;
319 }
320
321 if (wndw->func->scale_set) {
322 asyw->scale.sx = asyw->state.src_x >> 16;
323 asyw->scale.sy = asyw->state.src_y >> 16;
324 asyw->scale.sw = asyw->state.src_w >> 16;
325 asyw->scale.sh = asyw->state.src_h >> 16;
326 asyw->scale.dw = asyw->state.crtc_w;
327 asyw->scale.dh = asyw->state.crtc_h;
328 if (memcmp(&armw->scale, &asyw->scale, sizeof(asyw->scale)))
329 asyw->set.scale = true;
330 }
331
332 if (wndw->func->blend_set) {
333 asyw->blend.depth = 255 - asyw->state.normalized_zpos;
334 asyw->blend.k1 = asyw->state.alpha >> 8;
335 switch (asyw->state.pixel_blend_mode) {
336 case DRM_MODE_BLEND_PREMULTI:
337 asyw->blend.src_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_SRC_COLOR_FACTOR_MATCH_SELECT_K1;
338 asyw->blend.dst_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_DST_COLOR_FACTOR_MATCH_SELECT_NEG_K1_TIMES_SRC;
339 break;
340 case DRM_MODE_BLEND_COVERAGE:
341 asyw->blend.src_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_SRC_COLOR_FACTOR_MATCH_SELECT_K1_TIMES_SRC;
342 asyw->blend.dst_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_DST_COLOR_FACTOR_MATCH_SELECT_NEG_K1_TIMES_SRC;
343 break;
344 case DRM_MODE_BLEND_PIXEL_NONE:
345 default:
346 asyw->blend.src_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_SRC_COLOR_FACTOR_MATCH_SELECT_K1;
347 asyw->blend.dst_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_DST_COLOR_FACTOR_MATCH_SELECT_NEG_K1;
348 break;
349 }
350 if (memcmp(&armw->blend, &asyw->blend, sizeof(asyw->blend)))
351 asyw->set.blend = true;
352 }
353
354 if (wndw->immd) {
355 asyw->point.x = asyw->state.crtc_x;
356 asyw->point.y = asyw->state.crtc_y;
357 if (memcmp(&armw->point, &asyw->point, sizeof(asyw->point)))
358 asyw->set.point = true;
359 }
360
361 return wndw->func->acquire(wndw, asyw, asyh);
362 }
363
364 static int
nv50_wndw_atomic_check_lut(struct nv50_wndw * wndw,struct nv50_wndw_atom * armw,struct nv50_wndw_atom * asyw,struct nv50_head_atom * asyh)365 nv50_wndw_atomic_check_lut(struct nv50_wndw *wndw,
366 struct nv50_wndw_atom *armw,
367 struct nv50_wndw_atom *asyw,
368 struct nv50_head_atom *asyh)
369 {
370 struct drm_property_blob *ilut = asyh->state.degamma_lut;
371
372 /* I8 format without an input LUT makes no sense, and the
373 * HW error-checks for this.
374 *
375 * In order to handle legacy gamma, when there's no input
376 * LUT we need to steal the output LUT and use it instead.
377 */
378 if (!ilut && asyw->state.fb->format->format == DRM_FORMAT_C8) {
379 /* This should be an error, but there's legacy clients
380 * that do a modeset before providing a gamma table.
381 *
382 * We keep the window disabled to avoid angering HW.
383 */
384 if (!(ilut = asyh->state.gamma_lut)) {
385 asyw->visible = false;
386 return 0;
387 }
388
389 if (wndw->func->ilut)
390 asyh->wndw.olut |= BIT(wndw->id);
391 } else {
392 asyh->wndw.olut &= ~BIT(wndw->id);
393 }
394
395 if (!ilut && wndw->func->ilut_identity &&
396 asyw->state.fb->format->format != DRM_FORMAT_XBGR16161616F &&
397 asyw->state.fb->format->format != DRM_FORMAT_ABGR16161616F) {
398 static struct drm_property_blob dummy = {};
399 ilut = &dummy;
400 }
401
402 /* Recalculate LUT state. */
403 memset(&asyw->xlut, 0x00, sizeof(asyw->xlut));
404 if ((asyw->ilut = wndw->func->ilut ? ilut : NULL)) {
405 if (!wndw->func->ilut(wndw, asyw, drm_color_lut_size(ilut))) {
406 DRM_DEBUG_KMS("Invalid ilut\n");
407 return -EINVAL;
408 }
409 asyw->xlut.handle = wndw->wndw.vram.handle;
410 asyw->xlut.i.buffer = !asyw->xlut.i.buffer;
411 asyw->set.xlut = true;
412 } else {
413 asyw->clr.xlut = armw->xlut.handle != 0;
414 }
415
416 /* Handle setting base SET_OUTPUT_LUT_LO_ENABLE_USE_CORE_LUT. */
417 if (wndw->func->olut_core &&
418 (!armw->visible || (armw->xlut.handle && !asyw->xlut.handle)))
419 asyw->set.xlut = true;
420
421 if (wndw->func->csc && asyh->state.ctm) {
422 const struct drm_color_ctm *ctm = asyh->state.ctm->data;
423 wndw->func->csc(wndw, asyw, ctm);
424 asyw->csc.valid = true;
425 asyw->set.csc = true;
426 } else {
427 asyw->csc.valid = false;
428 asyw->clr.csc = armw->csc.valid;
429 }
430
431 /* Can't do an immediate flip while changing the LUT. */
432 asyh->state.async_flip = false;
433 return 0;
434 }
435
436 static int
nv50_wndw_atomic_check(struct drm_plane * plane,struct drm_plane_state * state)437 nv50_wndw_atomic_check(struct drm_plane *plane, struct drm_plane_state *state)
438 {
439 struct nouveau_drm *drm = nouveau_drm(plane->dev);
440 struct nv50_wndw *wndw = nv50_wndw(plane);
441 struct nv50_wndw_atom *armw = nv50_wndw_atom(wndw->plane.state);
442 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state);
443 struct nv50_head_atom *harm = NULL, *asyh = NULL;
444 bool modeset = false;
445 int ret;
446
447 NV_ATOMIC(drm, "%s atomic_check\n", plane->name);
448
449 /* Fetch the assembly state for the head the window will belong to,
450 * and determine whether the window will be visible.
451 */
452 if (asyw->state.crtc) {
453 asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc);
454 if (IS_ERR(asyh))
455 return PTR_ERR(asyh);
456 modeset = drm_atomic_crtc_needs_modeset(&asyh->state);
457 asyw->visible = asyh->state.active;
458 } else {
459 asyw->visible = false;
460 }
461
462 /* Fetch assembly state for the head the window used to belong to. */
463 if (armw->state.crtc) {
464 harm = nv50_head_atom_get(asyw->state.state, armw->state.crtc);
465 if (IS_ERR(harm))
466 return PTR_ERR(harm);
467 }
468
469 /* LUT configuration can potentially cause the window to be disabled. */
470 if (asyw->visible && wndw->func->xlut_set &&
471 (!armw->visible ||
472 asyh->state.color_mgmt_changed ||
473 asyw->state.fb->format->format !=
474 armw->state.fb->format->format)) {
475 ret = nv50_wndw_atomic_check_lut(wndw, armw, asyw, asyh);
476 if (ret)
477 return ret;
478 }
479
480 /* Calculate new window state. */
481 if (asyw->visible) {
482 ret = nv50_wndw_atomic_check_acquire(wndw, modeset,
483 armw, asyw, asyh);
484 if (ret)
485 return ret;
486
487 asyh->wndw.mask |= BIT(wndw->id);
488 } else
489 if (armw->visible) {
490 nv50_wndw_atomic_check_release(wndw, asyw, harm);
491 harm->wndw.mask &= ~BIT(wndw->id);
492 } else {
493 return 0;
494 }
495
496 /* Aside from the obvious case where the window is actively being
497 * disabled, we might also need to temporarily disable the window
498 * when performing certain modeset operations.
499 */
500 if (!asyw->visible || modeset) {
501 asyw->clr.ntfy = armw->ntfy.handle != 0;
502 asyw->clr.sema = armw->sema.handle != 0;
503 asyw->clr.xlut = armw->xlut.handle != 0;
504 if (asyw->clr.xlut && asyw->visible)
505 asyw->set.xlut = asyw->xlut.handle != 0;
506 asyw->clr.csc = armw->csc.valid;
507 if (wndw->func->image_clr)
508 asyw->clr.image = armw->image.handle[0] != 0;
509 }
510
511 return 0;
512 }
513
514 static void
nv50_wndw_cleanup_fb(struct drm_plane * plane,struct drm_plane_state * old_state)515 nv50_wndw_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state)
516 {
517 struct nouveau_drm *drm = nouveau_drm(plane->dev);
518 struct nouveau_bo *nvbo;
519
520 NV_ATOMIC(drm, "%s cleanup: %p\n", plane->name, old_state->fb);
521 if (!old_state->fb)
522 return;
523
524 nvbo = nouveau_gem_object(old_state->fb->obj[0]);
525 nouveau_bo_unpin(nvbo);
526 }
527
528 static int
nv50_wndw_prepare_fb(struct drm_plane * plane,struct drm_plane_state * state)529 nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state)
530 {
531 struct drm_framebuffer *fb = state->fb;
532 struct nouveau_drm *drm = nouveau_drm(plane->dev);
533 struct nv50_wndw *wndw = nv50_wndw(plane);
534 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state);
535 struct nouveau_bo *nvbo;
536 struct nv50_head_atom *asyh;
537 struct nv50_wndw_ctxdma *ctxdma;
538 int ret;
539
540 NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, fb);
541 if (!asyw->state.fb)
542 return 0;
543
544 nvbo = nouveau_gem_object(fb->obj[0]);
545 ret = nouveau_bo_pin(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, true);
546 if (ret)
547 return ret;
548
549 if (wndw->ctxdma.parent) {
550 ctxdma = nv50_wndw_ctxdma_new(wndw, fb);
551 if (IS_ERR(ctxdma)) {
552 nouveau_bo_unpin(nvbo);
553 return PTR_ERR(ctxdma);
554 }
555
556 if (asyw->visible)
557 asyw->image.handle[0] = ctxdma->object.handle;
558 }
559
560 asyw->state.fence = dma_resv_get_excl_rcu(nvbo->bo.base.resv);
561 asyw->image.offset[0] = nvbo->offset;
562
563 if (wndw->func->prepare) {
564 asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc);
565 if (IS_ERR(asyh))
566 return PTR_ERR(asyh);
567
568 wndw->func->prepare(wndw, asyh, asyw);
569 }
570
571 return 0;
572 }
573
574 static const struct drm_plane_helper_funcs
575 nv50_wndw_helper = {
576 .prepare_fb = nv50_wndw_prepare_fb,
577 .cleanup_fb = nv50_wndw_cleanup_fb,
578 .atomic_check = nv50_wndw_atomic_check,
579 };
580
581 static void
nv50_wndw_atomic_destroy_state(struct drm_plane * plane,struct drm_plane_state * state)582 nv50_wndw_atomic_destroy_state(struct drm_plane *plane,
583 struct drm_plane_state *state)
584 {
585 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state);
586 __drm_atomic_helper_plane_destroy_state(&asyw->state);
587 kfree(asyw);
588 }
589
590 static struct drm_plane_state *
nv50_wndw_atomic_duplicate_state(struct drm_plane * plane)591 nv50_wndw_atomic_duplicate_state(struct drm_plane *plane)
592 {
593 struct nv50_wndw_atom *armw = nv50_wndw_atom(plane->state);
594 struct nv50_wndw_atom *asyw;
595 if (!(asyw = kmalloc(sizeof(*asyw), GFP_KERNEL)))
596 return NULL;
597 __drm_atomic_helper_plane_duplicate_state(plane, &asyw->state);
598 asyw->sema = armw->sema;
599 asyw->ntfy = armw->ntfy;
600 asyw->ilut = NULL;
601 asyw->xlut = armw->xlut;
602 asyw->csc = armw->csc;
603 asyw->image = armw->image;
604 asyw->point = armw->point;
605 asyw->clr.mask = 0;
606 asyw->set.mask = 0;
607 return &asyw->state;
608 }
609
610 static int
nv50_wndw_zpos_default(struct drm_plane * plane)611 nv50_wndw_zpos_default(struct drm_plane *plane)
612 {
613 return (plane->type == DRM_PLANE_TYPE_PRIMARY) ? 0 :
614 (plane->type == DRM_PLANE_TYPE_OVERLAY) ? 1 : 255;
615 }
616
617 static void
nv50_wndw_reset(struct drm_plane * plane)618 nv50_wndw_reset(struct drm_plane *plane)
619 {
620 struct nv50_wndw_atom *asyw;
621
622 if (WARN_ON(!(asyw = kzalloc(sizeof(*asyw), GFP_KERNEL))))
623 return;
624
625 if (plane->state)
626 plane->funcs->atomic_destroy_state(plane, plane->state);
627
628 __drm_atomic_helper_plane_reset(plane, &asyw->state);
629 plane->state->zpos = nv50_wndw_zpos_default(plane);
630 plane->state->normalized_zpos = nv50_wndw_zpos_default(plane);
631 }
632
633 static void
nv50_wndw_destroy(struct drm_plane * plane)634 nv50_wndw_destroy(struct drm_plane *plane)
635 {
636 struct nv50_wndw *wndw = nv50_wndw(plane);
637 struct nv50_wndw_ctxdma *ctxdma, *ctxtmp;
638
639 list_for_each_entry_safe(ctxdma, ctxtmp, &wndw->ctxdma.list, head) {
640 nv50_wndw_ctxdma_del(ctxdma);
641 }
642
643 nvif_notify_dtor(&wndw->notify);
644 nv50_dmac_destroy(&wndw->wimm);
645 nv50_dmac_destroy(&wndw->wndw);
646
647 nv50_lut_fini(&wndw->ilut);
648
649 drm_plane_cleanup(&wndw->plane);
650 kfree(wndw);
651 }
652
653 /* This function assumes the format has already been validated against the plane
654 * and the modifier was validated against the device-wides modifier list at FB
655 * creation time.
656 */
nv50_plane_format_mod_supported(struct drm_plane * plane,u32 format,u64 modifier)657 static bool nv50_plane_format_mod_supported(struct drm_plane *plane,
658 u32 format, u64 modifier)
659 {
660 struct nouveau_drm *drm = nouveau_drm(plane->dev);
661 uint8_t i;
662
663 if (drm->client.device.info.chipset < 0xc0) {
664 const struct drm_format_info *info = drm_format_info(format);
665 const uint8_t kind = (modifier >> 12) & 0xff;
666
667 if (!format) return false;
668
669 for (i = 0; i < info->num_planes; i++)
670 if ((info->cpp[i] != 4) && kind != 0x70) return false;
671 }
672
673 return true;
674 }
675
676 const struct drm_plane_funcs
677 nv50_wndw = {
678 .update_plane = drm_atomic_helper_update_plane,
679 .disable_plane = drm_atomic_helper_disable_plane,
680 .destroy = nv50_wndw_destroy,
681 .reset = nv50_wndw_reset,
682 .atomic_duplicate_state = nv50_wndw_atomic_duplicate_state,
683 .atomic_destroy_state = nv50_wndw_atomic_destroy_state,
684 .format_mod_supported = nv50_plane_format_mod_supported,
685 };
686
687 static int
nv50_wndw_notify(struct nvif_notify * notify)688 nv50_wndw_notify(struct nvif_notify *notify)
689 {
690 return NVIF_NOTIFY_KEEP;
691 }
692
693 static const u64 nv50_cursor_format_modifiers[] = {
694 DRM_FORMAT_MOD_LINEAR,
695 DRM_FORMAT_MOD_INVALID,
696 };
697
698 int
nv50_wndw_new_(const struct nv50_wndw_func * func,struct drm_device * dev,enum drm_plane_type type,const char * name,int index,const u32 * format,u32 heads,enum nv50_disp_interlock_type interlock_type,u32 interlock_data,struct nv50_wndw ** pwndw)699 nv50_wndw_new_(const struct nv50_wndw_func *func, struct drm_device *dev,
700 enum drm_plane_type type, const char *name, int index,
701 const u32 *format, u32 heads,
702 enum nv50_disp_interlock_type interlock_type, u32 interlock_data,
703 struct nv50_wndw **pwndw)
704 {
705 struct nouveau_drm *drm = nouveau_drm(dev);
706 struct nvif_mmu *mmu = &drm->client.mmu;
707 struct nv50_disp *disp = nv50_disp(dev);
708 struct nv50_wndw *wndw;
709 const u64 *format_modifiers;
710 int nformat;
711 int ret;
712
713 if (!(wndw = *pwndw = kzalloc(sizeof(*wndw), GFP_KERNEL)))
714 return -ENOMEM;
715 wndw->func = func;
716 wndw->id = index;
717 wndw->interlock.type = interlock_type;
718 wndw->interlock.data = interlock_data;
719
720 wndw->ctxdma.parent = &wndw->wndw.base.user;
721 INIT_LIST_HEAD(&wndw->ctxdma.list);
722
723 for (nformat = 0; format[nformat]; nformat++);
724
725 if (type == DRM_PLANE_TYPE_CURSOR)
726 format_modifiers = nv50_cursor_format_modifiers;
727 else
728 format_modifiers = nouveau_display(dev)->format_modifiers;
729
730 ret = drm_universal_plane_init(dev, &wndw->plane, heads, &nv50_wndw, format, nformat,
731 format_modifiers, type, "%s-%d", name, index);
732 if (ret) {
733 kfree(*pwndw);
734 *pwndw = NULL;
735 return ret;
736 }
737
738 drm_plane_helper_add(&wndw->plane, &nv50_wndw_helper);
739
740 if (wndw->func->ilut) {
741 ret = nv50_lut_init(disp, mmu, &wndw->ilut);
742 if (ret)
743 return ret;
744 }
745
746 wndw->notify.func = nv50_wndw_notify;
747
748 if (wndw->func->blend_set) {
749 ret = drm_plane_create_zpos_property(&wndw->plane,
750 nv50_wndw_zpos_default(&wndw->plane), 0, 254);
751 if (ret)
752 return ret;
753
754 ret = drm_plane_create_alpha_property(&wndw->plane);
755 if (ret)
756 return ret;
757
758 ret = drm_plane_create_blend_mode_property(&wndw->plane,
759 BIT(DRM_MODE_BLEND_PIXEL_NONE) |
760 BIT(DRM_MODE_BLEND_PREMULTI) |
761 BIT(DRM_MODE_BLEND_COVERAGE));
762 if (ret)
763 return ret;
764 } else {
765 ret = drm_plane_create_zpos_immutable_property(&wndw->plane,
766 nv50_wndw_zpos_default(&wndw->plane));
767 if (ret)
768 return ret;
769 }
770
771 return 0;
772 }
773
774 int
nv50_wndw_new(struct nouveau_drm * drm,enum drm_plane_type type,int index,struct nv50_wndw ** pwndw)775 nv50_wndw_new(struct nouveau_drm *drm, enum drm_plane_type type, int index,
776 struct nv50_wndw **pwndw)
777 {
778 struct {
779 s32 oclass;
780 int version;
781 int (*new)(struct nouveau_drm *, enum drm_plane_type,
782 int, s32, struct nv50_wndw **);
783 } wndws[] = {
784 { TU102_DISP_WINDOW_CHANNEL_DMA, 0, wndwc57e_new },
785 { GV100_DISP_WINDOW_CHANNEL_DMA, 0, wndwc37e_new },
786 {}
787 };
788 struct nv50_disp *disp = nv50_disp(drm->dev);
789 int cid, ret;
790
791 cid = nvif_mclass(&disp->disp->object, wndws);
792 if (cid < 0) {
793 NV_ERROR(drm, "No supported window class\n");
794 return cid;
795 }
796
797 ret = wndws[cid].new(drm, type, index, wndws[cid].oclass, pwndw);
798 if (ret)
799 return ret;
800
801 return nv50_wimm_init(drm, *pwndw);
802 }
803