2 * Copyright 2018 Red Hat Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
25 #include <nvif/class.h>
26 #include <nvif/cl0002.h>
28 #include <drm/drm_atomic_helper.h>
29 #include <drm/drm_fourcc.h>
31 #include "nouveau_bo.h"
34 nv50_wndw_ctxdma_del(struct nv50_wndw_ctxdma *ctxdma)
36 nvif_object_fini(&ctxdma->object);
37 list_del(&ctxdma->head);
41 static struct nv50_wndw_ctxdma *
42 nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct nouveau_framebuffer *fb)
44 struct nouveau_drm *drm = nouveau_drm(fb->base.dev);
45 struct nv50_wndw_ctxdma *ctxdma;
46 const u8 kind = fb->nvbo->kind;
47 const u32 handle = 0xfb000000 | kind;
49 struct nv_dma_v0 base;
51 struct nv50_dma_v0 nv50;
52 struct gf100_dma_v0 gf100;
53 struct gf119_dma_v0 gf119;
56 u32 argc = sizeof(args.base);
59 list_for_each_entry(ctxdma, &wndw->ctxdma.list, head) {
60 if (ctxdma->object.handle == handle)
64 if (!(ctxdma = kzalloc(sizeof(*ctxdma), GFP_KERNEL)))
65 return ERR_PTR(-ENOMEM);
66 list_add(&ctxdma->head, &wndw->ctxdma.list);
68 args.base.target = NV_DMA_V0_TARGET_VRAM;
69 args.base.access = NV_DMA_V0_ACCESS_RDWR;
71 args.base.limit = drm->client.device.info.ram_user - 1;
73 if (drm->client.device.info.chipset < 0x80) {
74 args.nv50.part = NV50_DMA_V0_PART_256;
75 argc += sizeof(args.nv50);
77 if (drm->client.device.info.chipset < 0xc0) {
78 args.nv50.part = NV50_DMA_V0_PART_256;
79 args.nv50.kind = kind;
80 argc += sizeof(args.nv50);
82 if (drm->client.device.info.chipset < 0xd0) {
83 args.gf100.kind = kind;
84 argc += sizeof(args.gf100);
86 args.gf119.page = GF119_DMA_V0_PAGE_LP;
87 args.gf119.kind = kind;
88 argc += sizeof(args.gf119);
91 ret = nvif_object_init(wndw->ctxdma.parent, handle, NV_DMA_IN_MEMORY,
92 &args, argc, &ctxdma->object);
94 nv50_wndw_ctxdma_del(ctxdma);
102 nv50_wndw_wait_armed(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
104 struct nv50_disp *disp = nv50_disp(wndw->plane.dev);
105 if (asyw->set.ntfy) {
106 return wndw->func->ntfy_wait_begun(disp->sync,
108 wndw->wndw.base.device);
114 nv50_wndw_flush_clr(struct nv50_wndw *wndw, u32 *interlock, bool flush,
115 struct nv50_wndw_atom *asyw)
117 union nv50_wndw_atom_mask clr = {
118 .mask = asyw->clr.mask & ~(flush ? 0 : asyw->set.mask),
120 if (clr.sema ) wndw->func-> sema_clr(wndw);
121 if (clr.ntfy ) wndw->func-> ntfy_clr(wndw);
122 if (clr.xlut ) wndw->func-> xlut_clr(wndw);
123 if (clr.image) wndw->func->image_clr(wndw);
125 interlock[wndw->interlock.type] |= wndw->interlock.data;
129 nv50_wndw_flush_set(struct nv50_wndw *wndw, u32 *interlock,
130 struct nv50_wndw_atom *asyw)
132 if (interlock[NV50_DISP_INTERLOCK_CORE]) {
133 asyw->image.mode = 0;
134 asyw->image.interval = 1;
137 if (asyw->set.sema ) wndw->func->sema_set (wndw, asyw);
138 if (asyw->set.ntfy ) wndw->func->ntfy_set (wndw, asyw);
139 if (asyw->set.image) wndw->func->image_set(wndw, asyw);
141 if (asyw->set.xlut ) {
143 asyw->xlut.i.offset =
144 nv50_lut_load(&wndw->ilut, asyw->xlut.i.buffer,
145 asyw->ilut, asyw->xlut.i.load);
147 wndw->func->xlut_set(wndw, asyw);
150 if (asyw->set.scale) wndw->func->scale_set(wndw, asyw);
151 if (asyw->set.point) {
152 if (asyw->set.point = false, asyw->set.mask)
153 interlock[wndw->interlock.type] |= wndw->interlock.data;
154 interlock[NV50_DISP_INTERLOCK_WIMM] |= wndw->interlock.wimm;
156 wndw->immd->point(wndw, asyw);
157 wndw->immd->update(wndw, interlock);
159 interlock[wndw->interlock.type] |= wndw->interlock.data;
164 nv50_wndw_ntfy_enable(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
166 struct nv50_disp *disp = nv50_disp(wndw->plane.dev);
168 asyw->ntfy.handle = wndw->wndw.sync.handle;
169 asyw->ntfy.offset = wndw->ntfy;
170 asyw->ntfy.awaken = false;
171 asyw->set.ntfy = true;
173 wndw->func->ntfy_reset(disp->sync, wndw->ntfy);
178 nv50_wndw_atomic_check_release(struct nv50_wndw *wndw,
179 struct nv50_wndw_atom *asyw,
180 struct nv50_head_atom *asyh)
182 struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev);
183 NV_ATOMIC(drm, "%s release\n", wndw->plane.name);
184 wndw->func->release(wndw, asyw, asyh);
185 asyw->ntfy.handle = 0;
186 asyw->sema.handle = 0;
190 nv50_wndw_atomic_check_acquire_yuv(struct nv50_wndw_atom *asyw)
192 switch (asyw->state.fb->format->format) {
193 case DRM_FORMAT_YUYV: asyw->image.format = 0x28; break;
194 case DRM_FORMAT_UYVY: asyw->image.format = 0x29; break;
199 asyw->image.colorspace = 1;
204 nv50_wndw_atomic_check_acquire_rgb(struct nv50_wndw_atom *asyw)
206 switch (asyw->state.fb->format->format) {
207 case DRM_FORMAT_C8 : asyw->image.format = 0x1e; break;
208 case DRM_FORMAT_XRGB8888 :
209 case DRM_FORMAT_ARGB8888 : asyw->image.format = 0xcf; break;
210 case DRM_FORMAT_RGB565 : asyw->image.format = 0xe8; break;
211 case DRM_FORMAT_XRGB1555 :
212 case DRM_FORMAT_ARGB1555 : asyw->image.format = 0xe9; break;
213 case DRM_FORMAT_XBGR2101010 :
214 case DRM_FORMAT_ABGR2101010 : asyw->image.format = 0xd1; break;
215 case DRM_FORMAT_XBGR8888 :
216 case DRM_FORMAT_ABGR8888 : asyw->image.format = 0xd5; break;
217 case DRM_FORMAT_XRGB2101010 :
218 case DRM_FORMAT_ARGB2101010 : asyw->image.format = 0xdf; break;
219 case DRM_FORMAT_XBGR16161616F:
220 case DRM_FORMAT_ABGR16161616F: asyw->image.format = 0xca; break;
224 asyw->image.colorspace = 0;
229 nv50_wndw_atomic_check_acquire(struct nv50_wndw *wndw, bool modeset,
230 struct nv50_wndw_atom *armw,
231 struct nv50_wndw_atom *asyw,
232 struct nv50_head_atom *asyh)
234 struct nouveau_framebuffer *fb = nouveau_framebuffer(asyw->state.fb);
235 struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev);
238 NV_ATOMIC(drm, "%s acquire\n", wndw->plane.name);
240 if (asyw->state.fb != armw->state.fb || !armw->visible || modeset) {
241 asyw->image.w = fb->base.width;
242 asyw->image.h = fb->base.height;
243 asyw->image.kind = fb->nvbo->kind;
245 ret = nv50_wndw_atomic_check_acquire_rgb(asyw);
247 ret = nv50_wndw_atomic_check_acquire_yuv(asyw);
252 if (asyw->image.kind) {
253 asyw->image.layout = 0;
254 if (drm->client.device.info.chipset >= 0xc0)
255 asyw->image.blockh = fb->nvbo->mode >> 4;
257 asyw->image.blockh = fb->nvbo->mode;
258 asyw->image.blocks[0] = fb->base.pitches[0] / 64;
259 asyw->image.pitch[0] = 0;
261 asyw->image.layout = 1;
262 asyw->image.blockh = 0;
263 asyw->image.blocks[0] = 0;
264 asyw->image.pitch[0] = fb->base.pitches[0];
267 if (!(asyh->state.pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC))
268 asyw->image.interval = 1;
270 asyw->image.interval = 0;
271 asyw->image.mode = asyw->image.interval ? 0 : 1;
272 asyw->set.image = wndw->func->image_set != NULL;
275 if (wndw->func->scale_set) {
276 asyw->scale.sx = asyw->state.src_x >> 16;
277 asyw->scale.sy = asyw->state.src_y >> 16;
278 asyw->scale.sw = asyw->state.src_w >> 16;
279 asyw->scale.sh = asyw->state.src_h >> 16;
280 asyw->scale.dw = asyw->state.crtc_w;
281 asyw->scale.dh = asyw->state.crtc_h;
282 if (memcmp(&armw->scale, &asyw->scale, sizeof(asyw->scale)))
283 asyw->set.scale = true;
287 asyw->point.x = asyw->state.crtc_x;
288 asyw->point.y = asyw->state.crtc_y;
289 if (memcmp(&armw->point, &asyw->point, sizeof(asyw->point)))
290 asyw->set.point = true;
293 return wndw->func->acquire(wndw, asyw, asyh);
297 nv50_wndw_atomic_check_lut(struct nv50_wndw *wndw,
298 struct nv50_wndw_atom *armw,
299 struct nv50_wndw_atom *asyw,
300 struct nv50_head_atom *asyh)
302 struct drm_property_blob *ilut = asyh->state.degamma_lut;
304 /* I8 format without an input LUT makes no sense, and the
305 * HW error-checks for this.
307 * In order to handle legacy gamma, when there's no input
308 * LUT we need to steal the output LUT and use it instead.
310 if (!ilut && asyw->state.fb->format->format == DRM_FORMAT_C8) {
311 /* This should be an error, but there's legacy clients
312 * that do a modeset before providing a gamma table.
314 * We keep the window disabled to avoid angering HW.
316 if (!(ilut = asyh->state.gamma_lut)) {
317 asyw->visible = false;
321 if (wndw->func->ilut)
322 asyh->wndw.olut |= BIT(wndw->id);
324 asyh->wndw.olut &= ~BIT(wndw->id);
327 if (!ilut && wndw->func->ilut_identity &&
328 asyw->state.fb->format->format != DRM_FORMAT_XBGR16161616F &&
329 asyw->state.fb->format->format != DRM_FORMAT_ABGR16161616F) {
330 static struct drm_property_blob dummy = {};
334 /* Recalculate LUT state. */
335 memset(&asyw->xlut, 0x00, sizeof(asyw->xlut));
336 if ((asyw->ilut = wndw->func->ilut ? ilut : NULL)) {
337 wndw->func->ilut(wndw, asyw);
338 asyw->xlut.handle = wndw->wndw.vram.handle;
339 asyw->xlut.i.buffer = !asyw->xlut.i.buffer;
340 asyw->set.xlut = true;
342 asyw->clr.xlut = armw->xlut.handle != 0;
345 /* Handle setting base SET_OUTPUT_LUT_LO_ENABLE_USE_CORE_LUT. */
346 if (wndw->func->olut_core &&
347 (!armw->visible || (armw->xlut.handle && !asyw->xlut.handle)))
348 asyw->set.xlut = true;
350 /* Can't do an immediate flip while changing the LUT. */
351 asyh->state.pageflip_flags &= ~DRM_MODE_PAGE_FLIP_ASYNC;
355 nv50_wndw_atomic_check(struct drm_plane *plane, struct drm_plane_state *state)
357 struct nouveau_drm *drm = nouveau_drm(plane->dev);
358 struct nv50_wndw *wndw = nv50_wndw(plane);
359 struct nv50_wndw_atom *armw = nv50_wndw_atom(wndw->plane.state);
360 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state);
361 struct nv50_head_atom *harm = NULL, *asyh = NULL;
362 bool modeset = false;
365 NV_ATOMIC(drm, "%s atomic_check\n", plane->name);
367 /* Fetch the assembly state for the head the window will belong to,
368 * and determine whether the window will be visible.
370 if (asyw->state.crtc) {
371 asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc);
373 return PTR_ERR(asyh);
374 modeset = drm_atomic_crtc_needs_modeset(&asyh->state);
375 asyw->visible = asyh->state.active;
377 asyw->visible = false;
380 /* Fetch assembly state for the head the window used to belong to. */
381 if (armw->state.crtc) {
382 harm = nv50_head_atom_get(asyw->state.state, armw->state.crtc);
384 return PTR_ERR(harm);
387 /* LUT configuration can potentially cause the window to be disabled. */
388 if (asyw->visible && wndw->func->xlut_set &&
390 asyh->state.color_mgmt_changed ||
391 asyw->state.fb->format->format !=
392 armw->state.fb->format->format))
393 nv50_wndw_atomic_check_lut(wndw, armw, asyw, asyh);
395 /* Calculate new window state. */
397 ret = nv50_wndw_atomic_check_acquire(wndw, modeset,
402 asyh->wndw.mask |= BIT(wndw->id);
405 nv50_wndw_atomic_check_release(wndw, asyw, harm);
406 harm->wndw.mask &= ~BIT(wndw->id);
411 /* Aside from the obvious case where the window is actively being
412 * disabled, we might also need to temporarily disable the window
413 * when performing certain modeset operations.
415 if (!asyw->visible || modeset) {
416 asyw->clr.ntfy = armw->ntfy.handle != 0;
417 asyw->clr.sema = armw->sema.handle != 0;
418 asyw->clr.xlut = armw->xlut.handle != 0;
419 if (wndw->func->image_clr)
420 asyw->clr.image = armw->image.handle[0] != 0;
427 nv50_wndw_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state)
429 struct nouveau_framebuffer *fb = nouveau_framebuffer(old_state->fb);
430 struct nouveau_drm *drm = nouveau_drm(plane->dev);
432 NV_ATOMIC(drm, "%s cleanup: %p\n", plane->name, old_state->fb);
436 nouveau_bo_unpin(fb->nvbo);
440 nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state)
442 struct nouveau_framebuffer *fb = nouveau_framebuffer(state->fb);
443 struct nouveau_drm *drm = nouveau_drm(plane->dev);
444 struct nv50_wndw *wndw = nv50_wndw(plane);
445 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state);
446 struct nv50_head_atom *asyh;
447 struct nv50_wndw_ctxdma *ctxdma;
450 NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, state->fb);
454 ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM, true);
458 if (wndw->ctxdma.parent) {
459 ctxdma = nv50_wndw_ctxdma_new(wndw, fb);
460 if (IS_ERR(ctxdma)) {
461 nouveau_bo_unpin(fb->nvbo);
462 return PTR_ERR(ctxdma);
465 asyw->image.handle[0] = ctxdma->object.handle;
468 asyw->state.fence = dma_resv_get_excl_rcu(fb->nvbo->bo.base.resv);
469 asyw->image.offset[0] = fb->nvbo->bo.offset;
471 if (wndw->func->prepare) {
472 asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc);
474 return PTR_ERR(asyh);
476 wndw->func->prepare(wndw, asyh, asyw);
482 static const struct drm_plane_helper_funcs
484 .prepare_fb = nv50_wndw_prepare_fb,
485 .cleanup_fb = nv50_wndw_cleanup_fb,
486 .atomic_check = nv50_wndw_atomic_check,
490 nv50_wndw_atomic_destroy_state(struct drm_plane *plane,
491 struct drm_plane_state *state)
493 struct nv50_wndw_atom *asyw = nv50_wndw_atom(state);
494 __drm_atomic_helper_plane_destroy_state(&asyw->state);
498 static struct drm_plane_state *
499 nv50_wndw_atomic_duplicate_state(struct drm_plane *plane)
501 struct nv50_wndw_atom *armw = nv50_wndw_atom(plane->state);
502 struct nv50_wndw_atom *asyw;
503 if (!(asyw = kmalloc(sizeof(*asyw), GFP_KERNEL)))
505 __drm_atomic_helper_plane_duplicate_state(plane, &asyw->state);
506 asyw->sema = armw->sema;
507 asyw->ntfy = armw->ntfy;
509 asyw->xlut = armw->xlut;
510 asyw->image = armw->image;
511 asyw->point = armw->point;
518 nv50_wndw_reset(struct drm_plane *plane)
520 struct nv50_wndw_atom *asyw;
522 if (WARN_ON(!(asyw = kzalloc(sizeof(*asyw), GFP_KERNEL))))
526 plane->funcs->atomic_destroy_state(plane, plane->state);
527 plane->state = &asyw->state;
528 plane->state->plane = plane;
529 plane->state->rotation = DRM_MODE_ROTATE_0;
533 nv50_wndw_destroy(struct drm_plane *plane)
535 struct nv50_wndw *wndw = nv50_wndw(plane);
536 struct nv50_wndw_ctxdma *ctxdma, *ctxtmp;
538 list_for_each_entry_safe(ctxdma, ctxtmp, &wndw->ctxdma.list, head) {
539 nv50_wndw_ctxdma_del(ctxdma);
542 nvif_notify_fini(&wndw->notify);
543 nv50_dmac_destroy(&wndw->wimm);
544 nv50_dmac_destroy(&wndw->wndw);
546 nv50_lut_fini(&wndw->ilut);
548 drm_plane_cleanup(&wndw->plane);
552 const struct drm_plane_funcs
554 .update_plane = drm_atomic_helper_update_plane,
555 .disable_plane = drm_atomic_helper_disable_plane,
556 .destroy = nv50_wndw_destroy,
557 .reset = nv50_wndw_reset,
558 .atomic_duplicate_state = nv50_wndw_atomic_duplicate_state,
559 .atomic_destroy_state = nv50_wndw_atomic_destroy_state,
563 nv50_wndw_notify(struct nvif_notify *notify)
565 return NVIF_NOTIFY_KEEP;
569 nv50_wndw_fini(struct nv50_wndw *wndw)
571 nvif_notify_put(&wndw->notify);
575 nv50_wndw_init(struct nv50_wndw *wndw)
577 nvif_notify_get(&wndw->notify);
581 nv50_wndw_new_(const struct nv50_wndw_func *func, struct drm_device *dev,
582 enum drm_plane_type type, const char *name, int index,
583 const u32 *format, u32 heads,
584 enum nv50_disp_interlock_type interlock_type, u32 interlock_data,
585 struct nv50_wndw **pwndw)
587 struct nouveau_drm *drm = nouveau_drm(dev);
588 struct nvif_mmu *mmu = &drm->client.mmu;
589 struct nv50_disp *disp = nv50_disp(dev);
590 struct nv50_wndw *wndw;
594 if (!(wndw = *pwndw = kzalloc(sizeof(*wndw), GFP_KERNEL)))
598 wndw->interlock.type = interlock_type;
599 wndw->interlock.data = interlock_data;
601 wndw->ctxdma.parent = &wndw->wndw.base.user;
602 INIT_LIST_HEAD(&wndw->ctxdma.list);
604 for (nformat = 0; format[nformat]; nformat++);
606 ret = drm_universal_plane_init(dev, &wndw->plane, heads, &nv50_wndw,
607 format, nformat, NULL,
608 type, "%s-%d", name, index);
615 drm_plane_helper_add(&wndw->plane, &nv50_wndw_helper);
617 if (wndw->func->ilut) {
618 ret = nv50_lut_init(disp, mmu, &wndw->ilut);
623 wndw->notify.func = nv50_wndw_notify;
628 nv50_wndw_new(struct nouveau_drm *drm, enum drm_plane_type type, int index,
629 struct nv50_wndw **pwndw)
634 int (*new)(struct nouveau_drm *, enum drm_plane_type,
635 int, s32, struct nv50_wndw **);
637 { TU102_DISP_WINDOW_CHANNEL_DMA, 0, wndwc57e_new },
638 { GV100_DISP_WINDOW_CHANNEL_DMA, 0, wndwc37e_new },
641 struct nv50_disp *disp = nv50_disp(drm->dev);
644 cid = nvif_mclass(&disp->disp->object, wndws);
646 NV_ERROR(drm, "No supported window class\n");
650 ret = wndws[cid].new(drm, type, index, wndws[cid].oclass, pwndw);
654 return nv50_wimm_init(drm, *pwndw);