diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv50/wndw.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/dispnv50/wndw.c | 798 |
1 files changed, 798 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/wndw.c b/drivers/gpu/drm/nouveau/dispnv50/wndw.c new file mode 100644 index 000000000..7a2cceaee --- /dev/null +++ b/drivers/gpu/drm/nouveau/dispnv50/wndw.c @@ -0,0 +1,798 @@ +/* + * Copyright 2018 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ +#include "wndw.h" +#include "wimm.h" +#include "handles.h" + +#include <nvif/class.h> +#include <nvif/cl0002.h> + +#include <nvhw/class/cl507c.h> +#include <nvhw/class/cl507e.h> +#include <nvhw/class/clc37e.h> + +#include <drm/drm_atomic.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_blend.h> +#include <drm/drm_gem_atomic_helper.h> +#include <drm/drm_fourcc.h> + +#include "nouveau_bo.h" +#include "nouveau_gem.h" + +static void +nv50_wndw_ctxdma_del(struct nv50_wndw_ctxdma *ctxdma) +{ + nvif_object_dtor(&ctxdma->object); + list_del(&ctxdma->head); + kfree(ctxdma); +} + +static struct nv50_wndw_ctxdma * +nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct drm_framebuffer *fb) +{ + struct nouveau_drm *drm = nouveau_drm(fb->dev); + struct nv50_wndw_ctxdma *ctxdma; + u32 handle; + u32 unused; + u8 kind; + struct { + struct nv_dma_v0 base; + union { + struct nv50_dma_v0 nv50; + struct gf100_dma_v0 gf100; + struct gf119_dma_v0 gf119; + }; + } args = {}; + u32 argc = sizeof(args.base); + int ret; + + nouveau_framebuffer_get_layout(fb, &unused, &kind); + handle = NV50_DISP_HANDLE_WNDW_CTX(kind); + + list_for_each_entry(ctxdma, &wndw->ctxdma.list, head) { + if (ctxdma->object.handle == handle) + return ctxdma; + } + + if (!(ctxdma = kzalloc(sizeof(*ctxdma), GFP_KERNEL))) + return ERR_PTR(-ENOMEM); + list_add(&ctxdma->head, &wndw->ctxdma.list); + + args.base.target = NV_DMA_V0_TARGET_VRAM; + args.base.access = NV_DMA_V0_ACCESS_RDWR; + args.base.start = 0; + args.base.limit = drm->client.device.info.ram_user - 1; + + if (drm->client.device.info.chipset < 0x80) { + args.nv50.part = NV50_DMA_V0_PART_256; + argc += sizeof(args.nv50); + } else + if (drm->client.device.info.chipset < 0xc0) { + args.nv50.part = NV50_DMA_V0_PART_256; + args.nv50.kind = kind; + argc += sizeof(args.nv50); + } else + if (drm->client.device.info.chipset < 0xd0) { + args.gf100.kind = kind; + argc += sizeof(args.gf100); + } else { + args.gf119.page = GF119_DMA_V0_PAGE_LP; + args.gf119.kind = kind; + argc += sizeof(args.gf119); + } + + ret = nvif_object_ctor(wndw->ctxdma.parent, "kmsFbCtxDma", handle, + NV_DMA_IN_MEMORY, &args, argc, &ctxdma->object); + if (ret) { + nv50_wndw_ctxdma_del(ctxdma); + return ERR_PTR(ret); + } + + return ctxdma; +} + +int +nv50_wndw_wait_armed(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) +{ + struct nv50_disp *disp = nv50_disp(wndw->plane.dev); + if (asyw->set.ntfy) { + return wndw->func->ntfy_wait_begun(disp->sync, + asyw->ntfy.offset, + wndw->wndw.base.device); + } + return 0; +} + +void +nv50_wndw_flush_clr(struct nv50_wndw *wndw, u32 *interlock, bool flush, + struct nv50_wndw_atom *asyw) +{ + union nv50_wndw_atom_mask clr = { + .mask = asyw->clr.mask & ~(flush ? 0 : asyw->set.mask), + }; + if (clr.sema ) wndw->func-> sema_clr(wndw); + if (clr.ntfy ) wndw->func-> ntfy_clr(wndw); + if (clr.xlut ) wndw->func-> xlut_clr(wndw); + if (clr.csc ) wndw->func-> csc_clr(wndw); + if (clr.image) wndw->func->image_clr(wndw); + + interlock[wndw->interlock.type] |= wndw->interlock.data; +} + +void +nv50_wndw_flush_set(struct nv50_wndw *wndw, u32 *interlock, + struct nv50_wndw_atom *asyw) +{ + if (interlock[NV50_DISP_INTERLOCK_CORE]) { + asyw->image.mode = NV507C_SET_PRESENT_CONTROL_BEGIN_MODE_NON_TEARING; + asyw->image.interval = 1; + } + + if (asyw->set.sema ) wndw->func->sema_set (wndw, asyw); + if (asyw->set.ntfy ) wndw->func->ntfy_set (wndw, asyw); + if (asyw->set.image) wndw->func->image_set(wndw, asyw); + + if (asyw->set.xlut ) { + if (asyw->ilut) { + asyw->xlut.i.offset = + nv50_lut_load(&wndw->ilut, asyw->xlut.i.buffer, + asyw->ilut, asyw->xlut.i.load); + } + wndw->func->xlut_set(wndw, asyw); + } + + if (asyw->set.csc ) wndw->func->csc_set (wndw, asyw); + if (asyw->set.scale) wndw->func->scale_set(wndw, asyw); + if (asyw->set.blend) wndw->func->blend_set(wndw, asyw); + if (asyw->set.point) { + if (asyw->set.point = false, asyw->set.mask) + interlock[wndw->interlock.type] |= wndw->interlock.data; + interlock[NV50_DISP_INTERLOCK_WIMM] |= wndw->interlock.wimm; + + wndw->immd->point(wndw, asyw); + wndw->immd->update(wndw, interlock); + } else { + interlock[wndw->interlock.type] |= wndw->interlock.data; + } +} + +void +nv50_wndw_ntfy_enable(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) +{ + struct nv50_disp *disp = nv50_disp(wndw->plane.dev); + + asyw->ntfy.handle = wndw->wndw.sync.handle; + asyw->ntfy.offset = wndw->ntfy; + asyw->ntfy.awaken = false; + asyw->set.ntfy = true; + + wndw->func->ntfy_reset(disp->sync, wndw->ntfy); + wndw->ntfy ^= 0x10; +} + +static void +nv50_wndw_atomic_check_release(struct nv50_wndw *wndw, + struct nv50_wndw_atom *asyw, + struct nv50_head_atom *asyh) +{ + struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev); + NV_ATOMIC(drm, "%s release\n", wndw->plane.name); + wndw->func->release(wndw, asyw, asyh); + asyw->ntfy.handle = 0; + asyw->sema.handle = 0; + asyw->xlut.handle = 0; + memset(asyw->image.handle, 0x00, sizeof(asyw->image.handle)); +} + +static int +nv50_wndw_atomic_check_acquire_yuv(struct nv50_wndw_atom *asyw) +{ + switch (asyw->state.fb->format->format) { + case DRM_FORMAT_YUYV: + asyw->image.format = NV507E_SURFACE_SET_PARAMS_FORMAT_VE8YO8UE8YE8; + break; + case DRM_FORMAT_UYVY: + asyw->image.format = NV507E_SURFACE_SET_PARAMS_FORMAT_YO8VE8YE8UE8; + break; + default: + WARN_ON(1); + return -EINVAL; + } + + asyw->image.colorspace = NV507E_SURFACE_SET_PARAMS_COLOR_SPACE_YUV_601; + return 0; +} + +static int +nv50_wndw_atomic_check_acquire_rgb(struct nv50_wndw_atom *asyw) +{ + switch (asyw->state.fb->format->format) { + case DRM_FORMAT_C8: + asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_I8; + break; + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_ARGB8888: + asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_A8R8G8B8; + break; + case DRM_FORMAT_RGB565: + asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_R5G6B5; + break; + case DRM_FORMAT_XRGB1555: + case DRM_FORMAT_ARGB1555: + asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_A1R5G5B5; + break; + case DRM_FORMAT_XBGR2101010: + case DRM_FORMAT_ABGR2101010: + asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_A2B10G10R10; + break; + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_A8B8G8R8; + break; + case DRM_FORMAT_XRGB2101010: + case DRM_FORMAT_ARGB2101010: + asyw->image.format = NVC37E_SET_PARAMS_FORMAT_A2R10G10B10; + break; + case DRM_FORMAT_XBGR16161616F: + case DRM_FORMAT_ABGR16161616F: + asyw->image.format = NV507C_SURFACE_SET_PARAMS_FORMAT_RF16_GF16_BF16_AF16; + break; + default: + return -EINVAL; + } + + asyw->image.colorspace = NV507E_SURFACE_SET_PARAMS_COLOR_SPACE_RGB; + return 0; +} + +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) +{ + struct drm_framebuffer *fb = asyw->state.fb; + struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev); + uint8_t kind; + uint32_t tile_mode; + int ret; + + NV_ATOMIC(drm, "%s acquire\n", wndw->plane.name); + + if (fb != armw->state.fb || !armw->visible || modeset) { + nouveau_framebuffer_get_layout(fb, &tile_mode, &kind); + + asyw->image.w = fb->width; + asyw->image.h = fb->height; + asyw->image.kind = kind; + + ret = nv50_wndw_atomic_check_acquire_rgb(asyw); + if (ret) { + ret = nv50_wndw_atomic_check_acquire_yuv(asyw); + if (ret) + return ret; + } + + if (asyw->image.kind) { + asyw->image.layout = NV507C_SURFACE_SET_STORAGE_MEMORY_LAYOUT_BLOCKLINEAR; + if (drm->client.device.info.chipset >= 0xc0) + asyw->image.blockh = tile_mode >> 4; + else + asyw->image.blockh = tile_mode; + asyw->image.blocks[0] = fb->pitches[0] / 64; + asyw->image.pitch[0] = 0; + } else { + asyw->image.layout = NV507C_SURFACE_SET_STORAGE_MEMORY_LAYOUT_PITCH; + asyw->image.blockh = NV507C_SURFACE_SET_STORAGE_BLOCK_HEIGHT_ONE_GOB; + asyw->image.blocks[0] = 0; + asyw->image.pitch[0] = fb->pitches[0]; + } + + if (!asyh->state.async_flip) + asyw->image.interval = 1; + else + asyw->image.interval = 0; + + if (asyw->image.interval) + asyw->image.mode = NV507C_SET_PRESENT_CONTROL_BEGIN_MODE_NON_TEARING; + else + asyw->image.mode = NV507C_SET_PRESENT_CONTROL_BEGIN_MODE_IMMEDIATE; + + asyw->set.image = wndw->func->image_set != NULL; + } + + if (wndw->func->scale_set) { + asyw->scale.sx = asyw->state.src_x >> 16; + asyw->scale.sy = asyw->state.src_y >> 16; + asyw->scale.sw = asyw->state.src_w >> 16; + asyw->scale.sh = asyw->state.src_h >> 16; + asyw->scale.dw = asyw->state.crtc_w; + asyw->scale.dh = asyw->state.crtc_h; + if (memcmp(&armw->scale, &asyw->scale, sizeof(asyw->scale))) + asyw->set.scale = true; + } + + if (wndw->func->blend_set) { + asyw->blend.depth = 255 - asyw->state.normalized_zpos; + asyw->blend.k1 = asyw->state.alpha >> 8; + switch (asyw->state.pixel_blend_mode) { + case DRM_MODE_BLEND_PREMULTI: + asyw->blend.src_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_SRC_COLOR_FACTOR_MATCH_SELECT_K1; + asyw->blend.dst_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_DST_COLOR_FACTOR_MATCH_SELECT_NEG_K1_TIMES_SRC; + break; + case DRM_MODE_BLEND_COVERAGE: + asyw->blend.src_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_SRC_COLOR_FACTOR_MATCH_SELECT_K1_TIMES_SRC; + asyw->blend.dst_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_DST_COLOR_FACTOR_MATCH_SELECT_NEG_K1_TIMES_SRC; + break; + case DRM_MODE_BLEND_PIXEL_NONE: + default: + asyw->blend.src_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_SRC_COLOR_FACTOR_MATCH_SELECT_K1; + asyw->blend.dst_color = NVC37E_SET_COMPOSITION_FACTOR_SELECT_DST_COLOR_FACTOR_MATCH_SELECT_NEG_K1; + break; + } + if (memcmp(&armw->blend, &asyw->blend, sizeof(asyw->blend))) + asyw->set.blend = true; + } + + if (wndw->immd) { + asyw->point.x = asyw->state.crtc_x; + asyw->point.y = asyw->state.crtc_y; + if (memcmp(&armw->point, &asyw->point, sizeof(asyw->point))) + asyw->set.point = true; + } + + return wndw->func->acquire(wndw, asyw, asyh); +} + +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) +{ + struct drm_property_blob *ilut = asyh->state.degamma_lut; + + /* I8 format without an input LUT makes no sense, and the + * HW error-checks for this. + * + * In order to handle legacy gamma, when there's no input + * LUT we need to steal the output LUT and use it instead. + */ + if (!ilut && asyw->state.fb->format->format == DRM_FORMAT_C8) { + /* This should be an error, but there's legacy clients + * that do a modeset before providing a gamma table. + * + * We keep the window disabled to avoid angering HW. + */ + if (!(ilut = asyh->state.gamma_lut)) { + asyw->visible = false; + return 0; + } + + if (wndw->func->ilut) + asyh->wndw.olut |= BIT(wndw->id); + } else { + asyh->wndw.olut &= ~BIT(wndw->id); + } + + if (!ilut && wndw->func->ilut_identity && + asyw->state.fb->format->format != DRM_FORMAT_XBGR16161616F && + asyw->state.fb->format->format != DRM_FORMAT_ABGR16161616F) { + static struct drm_property_blob dummy = {}; + ilut = &dummy; + } + + /* Recalculate LUT state. */ + memset(&asyw->xlut, 0x00, sizeof(asyw->xlut)); + if ((asyw->ilut = wndw->func->ilut ? ilut : NULL)) { + wndw->func->ilut(wndw, asyw, drm_color_lut_size(ilut)); + asyw->xlut.handle = wndw->wndw.vram.handle; + asyw->xlut.i.buffer = !asyw->xlut.i.buffer; + asyw->set.xlut = true; + } else { + asyw->clr.xlut = armw->xlut.handle != 0; + } + + /* Handle setting base SET_OUTPUT_LUT_LO_ENABLE_USE_CORE_LUT. */ + if (wndw->func->olut_core && + (!armw->visible || (armw->xlut.handle && !asyw->xlut.handle))) + asyw->set.xlut = true; + + if (wndw->func->csc && asyh->state.ctm) { + const struct drm_color_ctm *ctm = asyh->state.ctm->data; + wndw->func->csc(wndw, asyw, ctm); + asyw->csc.valid = true; + asyw->set.csc = true; + } else { + asyw->csc.valid = false; + asyw->clr.csc = armw->csc.valid; + } + + /* Can't do an immediate flip while changing the LUT. */ + asyh->state.async_flip = false; + return 0; +} + +static int +nv50_wndw_atomic_check(struct drm_plane *plane, + struct drm_atomic_state *state) +{ + struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, + plane); + struct nouveau_drm *drm = nouveau_drm(plane->dev); + struct nv50_wndw *wndw = nv50_wndw(plane); + struct nv50_wndw_atom *armw = nv50_wndw_atom(wndw->plane.state); + struct nv50_wndw_atom *asyw = nv50_wndw_atom(new_plane_state); + struct nv50_head_atom *harm = NULL, *asyh = NULL; + bool modeset = false; + int ret; + + NV_ATOMIC(drm, "%s atomic_check\n", plane->name); + + /* Fetch the assembly state for the head the window will belong to, + * and determine whether the window will be visible. + */ + if (asyw->state.crtc) { + asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc); + if (IS_ERR(asyh)) + return PTR_ERR(asyh); + modeset = drm_atomic_crtc_needs_modeset(&asyh->state); + asyw->visible = asyh->state.active; + } else { + asyw->visible = false; + } + + /* Fetch assembly state for the head the window used to belong to. */ + if (armw->state.crtc) { + harm = nv50_head_atom_get(asyw->state.state, armw->state.crtc); + if (IS_ERR(harm)) + return PTR_ERR(harm); + } + + /* LUT configuration can potentially cause the window to be disabled. */ + if (asyw->visible && wndw->func->xlut_set && + (!armw->visible || + asyh->state.color_mgmt_changed || + asyw->state.fb->format->format != + armw->state.fb->format->format)) { + ret = nv50_wndw_atomic_check_lut(wndw, armw, asyw, asyh); + if (ret) + return ret; + } + + /* Calculate new window state. */ + if (asyw->visible) { + ret = nv50_wndw_atomic_check_acquire(wndw, modeset, + armw, asyw, asyh); + if (ret) + return ret; + + asyh->wndw.mask |= BIT(wndw->id); + } else + if (armw->visible) { + nv50_wndw_atomic_check_release(wndw, asyw, harm); + harm->wndw.mask &= ~BIT(wndw->id); + } else { + return 0; + } + + /* Aside from the obvious case where the window is actively being + * disabled, we might also need to temporarily disable the window + * when performing certain modeset operations. + */ + if (!asyw->visible || modeset) { + asyw->clr.ntfy = armw->ntfy.handle != 0; + asyw->clr.sema = armw->sema.handle != 0; + asyw->clr.xlut = armw->xlut.handle != 0; + if (asyw->clr.xlut && asyw->visible) + asyw->set.xlut = asyw->xlut.handle != 0; + asyw->clr.csc = armw->csc.valid; + if (wndw->func->image_clr) + asyw->clr.image = armw->image.handle[0] != 0; + } + + return 0; +} + +static void +nv50_wndw_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state) +{ + struct nouveau_drm *drm = nouveau_drm(plane->dev); + struct nouveau_bo *nvbo; + + NV_ATOMIC(drm, "%s cleanup: %p\n", plane->name, old_state->fb); + if (!old_state->fb) + return; + + nvbo = nouveau_gem_object(old_state->fb->obj[0]); + nouveau_bo_unpin(nvbo); +} + +static int +nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state) +{ + struct drm_framebuffer *fb = state->fb; + struct nouveau_drm *drm = nouveau_drm(plane->dev); + struct nv50_wndw *wndw = nv50_wndw(plane); + struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); + struct nouveau_bo *nvbo; + struct nv50_head_atom *asyh; + struct nv50_wndw_ctxdma *ctxdma; + int ret; + + NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, fb); + if (!asyw->state.fb) + return 0; + + nvbo = nouveau_gem_object(fb->obj[0]); + ret = nouveau_bo_pin(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, true); + if (ret) + return ret; + + if (wndw->ctxdma.parent) { + ctxdma = nv50_wndw_ctxdma_new(wndw, fb); + if (IS_ERR(ctxdma)) { + nouveau_bo_unpin(nvbo); + return PTR_ERR(ctxdma); + } + + if (asyw->visible) + asyw->image.handle[0] = ctxdma->object.handle; + } + + ret = drm_gem_plane_helper_prepare_fb(plane, state); + if (ret) + return ret; + + asyw->image.offset[0] = nvbo->offset; + + if (wndw->func->prepare) { + asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc); + if (IS_ERR(asyh)) + return PTR_ERR(asyh); + + wndw->func->prepare(wndw, asyh, asyw); + } + + return 0; +} + +static const struct drm_plane_helper_funcs +nv50_wndw_helper = { + .prepare_fb = nv50_wndw_prepare_fb, + .cleanup_fb = nv50_wndw_cleanup_fb, + .atomic_check = nv50_wndw_atomic_check, +}; + +static void +nv50_wndw_atomic_destroy_state(struct drm_plane *plane, + struct drm_plane_state *state) +{ + struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); + __drm_atomic_helper_plane_destroy_state(&asyw->state); + kfree(asyw); +} + +static struct drm_plane_state * +nv50_wndw_atomic_duplicate_state(struct drm_plane *plane) +{ + struct nv50_wndw_atom *armw = nv50_wndw_atom(plane->state); + struct nv50_wndw_atom *asyw; + if (!(asyw = kmalloc(sizeof(*asyw), GFP_KERNEL))) + return NULL; + __drm_atomic_helper_plane_duplicate_state(plane, &asyw->state); + asyw->sema = armw->sema; + asyw->ntfy = armw->ntfy; + asyw->ilut = NULL; + asyw->xlut = armw->xlut; + asyw->csc = armw->csc; + asyw->image = armw->image; + asyw->point = armw->point; + asyw->clr.mask = 0; + asyw->set.mask = 0; + return &asyw->state; +} + +static int +nv50_wndw_zpos_default(struct drm_plane *plane) +{ + return (plane->type == DRM_PLANE_TYPE_PRIMARY) ? 0 : + (plane->type == DRM_PLANE_TYPE_OVERLAY) ? 1 : 255; +} + +static void +nv50_wndw_reset(struct drm_plane *plane) +{ + struct nv50_wndw_atom *asyw; + + if (WARN_ON(!(asyw = kzalloc(sizeof(*asyw), GFP_KERNEL)))) + return; + + if (plane->state) + plane->funcs->atomic_destroy_state(plane, plane->state); + + __drm_atomic_helper_plane_reset(plane, &asyw->state); +} + +static void +nv50_wndw_destroy(struct drm_plane *plane) +{ + struct nv50_wndw *wndw = nv50_wndw(plane); + struct nv50_wndw_ctxdma *ctxdma, *ctxtmp; + + list_for_each_entry_safe(ctxdma, ctxtmp, &wndw->ctxdma.list, head) { + nv50_wndw_ctxdma_del(ctxdma); + } + + nv50_dmac_destroy(&wndw->wimm); + nv50_dmac_destroy(&wndw->wndw); + + nv50_lut_fini(&wndw->ilut); + + drm_plane_cleanup(&wndw->plane); + kfree(wndw); +} + +/* This function assumes the format has already been validated against the plane + * and the modifier was validated against the device-wides modifier list at FB + * creation time. + */ +static bool nv50_plane_format_mod_supported(struct drm_plane *plane, + u32 format, u64 modifier) +{ + struct nouveau_drm *drm = nouveau_drm(plane->dev); + uint8_t i; + + if (drm->client.device.info.chipset < 0xc0) { + const struct drm_format_info *info = drm_format_info(format); + const uint8_t kind = (modifier >> 12) & 0xff; + + if (!format) return false; + + for (i = 0; i < info->num_planes; i++) + if ((info->cpp[i] != 4) && kind != 0x70) return false; + } + + return true; +} + +const struct drm_plane_funcs +nv50_wndw = { + .update_plane = drm_atomic_helper_update_plane, + .disable_plane = drm_atomic_helper_disable_plane, + .destroy = nv50_wndw_destroy, + .reset = nv50_wndw_reset, + .atomic_duplicate_state = nv50_wndw_atomic_duplicate_state, + .atomic_destroy_state = nv50_wndw_atomic_destroy_state, + .format_mod_supported = nv50_plane_format_mod_supported, +}; + +static const u64 nv50_cursor_format_modifiers[] = { + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID, +}; + +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) +{ + struct nouveau_drm *drm = nouveau_drm(dev); + struct nvif_mmu *mmu = &drm->client.mmu; + struct nv50_disp *disp = nv50_disp(dev); + struct nv50_wndw *wndw; + const u64 *format_modifiers; + int nformat; + int ret; + + if (!(wndw = *pwndw = kzalloc(sizeof(*wndw), GFP_KERNEL))) + return -ENOMEM; + wndw->func = func; + wndw->id = index; + wndw->interlock.type = interlock_type; + wndw->interlock.data = interlock_data; + + wndw->ctxdma.parent = &wndw->wndw.base.user; + INIT_LIST_HEAD(&wndw->ctxdma.list); + + for (nformat = 0; format[nformat]; nformat++); + + if (type == DRM_PLANE_TYPE_CURSOR) + format_modifiers = nv50_cursor_format_modifiers; + else + format_modifiers = nouveau_display(dev)->format_modifiers; + + ret = drm_universal_plane_init(dev, &wndw->plane, heads, &nv50_wndw, format, nformat, + format_modifiers, type, "%s-%d", name, index); + if (ret) { + kfree(*pwndw); + *pwndw = NULL; + return ret; + } + + drm_plane_helper_add(&wndw->plane, &nv50_wndw_helper); + + if (wndw->func->ilut) { + ret = nv50_lut_init(disp, mmu, &wndw->ilut); + if (ret) + return ret; + } + + if (wndw->func->blend_set) { + ret = drm_plane_create_zpos_property(&wndw->plane, + nv50_wndw_zpos_default(&wndw->plane), 0, 254); + if (ret) + return ret; + + ret = drm_plane_create_alpha_property(&wndw->plane); + if (ret) + return ret; + + ret = drm_plane_create_blend_mode_property(&wndw->plane, + BIT(DRM_MODE_BLEND_PIXEL_NONE) | + BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE)); + if (ret) + return ret; + } else { + ret = drm_plane_create_zpos_immutable_property(&wndw->plane, + nv50_wndw_zpos_default(&wndw->plane)); + if (ret) + return ret; + } + + return 0; +} + +int +nv50_wndw_new(struct nouveau_drm *drm, enum drm_plane_type type, int index, + struct nv50_wndw **pwndw) +{ + struct { + s32 oclass; + int version; + int (*new)(struct nouveau_drm *, enum drm_plane_type, + int, s32, struct nv50_wndw **); + } wndws[] = { + { GA102_DISP_WINDOW_CHANNEL_DMA, 0, wndwc67e_new }, + { TU102_DISP_WINDOW_CHANNEL_DMA, 0, wndwc57e_new }, + { GV100_DISP_WINDOW_CHANNEL_DMA, 0, wndwc37e_new }, + {} + }; + struct nv50_disp *disp = nv50_disp(drm->dev); + int cid, ret; + + cid = nvif_mclass(&disp->disp->object, wndws); + if (cid < 0) { + NV_ERROR(drm, "No supported window class\n"); + return cid; + } + + ret = wndws[cid].new(drm, type, index, wndws[cid].oclass, pwndw); + if (ret) + return ret; + + return nv50_wimm_init(drm, *pwndw); +} |