diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_surface.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_surface.c | 491 |
1 files changed, 427 insertions, 64 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c index ef09f7edf931..32b9131b2bae 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c @@ -68,6 +68,20 @@ struct vmw_surface_offset { uint32_t bo_offset; }; +/** + * vmw_surface_dirty - Surface dirty-tracker + * @cache: Cached layout information of the surface. + * @size: Accounting size for the struct vmw_surface_dirty. + * @num_subres: Number of subresources. + * @boxes: Array of SVGA3dBoxes indicating dirty regions. One per subresource. + */ +struct vmw_surface_dirty { + struct svga3dsurface_cache cache; + size_t size; + u32 num_subres; + SVGA3dBox boxes[0]; +}; + static void vmw_user_surface_free(struct vmw_resource *res); static struct vmw_resource * vmw_user_surface_base_to_res(struct ttm_base_object *base); @@ -96,6 +110,13 @@ vmw_gb_surface_reference_internal(struct drm_device *dev, struct drm_vmw_gb_surface_ref_ext_rep *rep, struct drm_file *file_priv); +static void vmw_surface_dirty_free(struct vmw_resource *res); +static int vmw_surface_dirty_alloc(struct vmw_resource *res); +static int vmw_surface_dirty_sync(struct vmw_resource *res); +static void vmw_surface_dirty_range_add(struct vmw_resource *res, size_t start, + size_t end); +static int vmw_surface_clean(struct vmw_resource *res); + static const struct vmw_user_resource_conv user_surface_conv = { .object_type = VMW_RES_SURFACE, .base_obj_to_res = vmw_user_surface_base_to_res, @@ -112,6 +133,8 @@ static const struct vmw_res_func vmw_legacy_surface_func = { .res_type = vmw_res_surface, .needs_backup = false, .may_evict = true, + .prio = 1, + .dirty_prio = 1, .type_name = "legacy surfaces", .backup_placement = &vmw_srf_placement, .create = &vmw_legacy_srf_create, @@ -124,12 +147,19 @@ static const struct vmw_res_func vmw_gb_surface_func = { .res_type = vmw_res_surface, .needs_backup = true, .may_evict = true, + .prio = 1, + .dirty_prio = 2, .type_name = "guest backed surfaces", .backup_placement = &vmw_mob_placement, .create = vmw_gb_surface_create, .destroy = vmw_gb_surface_destroy, .bind = vmw_gb_surface_bind, - .unbind = vmw_gb_surface_unbind + .unbind = vmw_gb_surface_unbind, + .dirty_alloc = vmw_surface_dirty_alloc, + .dirty_free = vmw_surface_dirty_free, + .dirty_sync = vmw_surface_dirty_sync, + .dirty_range_add = vmw_surface_dirty_range_add, + .clean = vmw_surface_clean, }; /** @@ -332,7 +362,6 @@ static void vmw_hw_surface_destroy(struct vmw_resource *res) { struct vmw_private *dev_priv = res->dev_priv; - struct vmw_surface *srf; void *cmd; if (res->func->destroy == vmw_gb_surface_destroy) { @@ -342,12 +371,9 @@ static void vmw_hw_surface_destroy(struct vmw_resource *res) if (res->id != -1) { - cmd = vmw_fifo_reserve(dev_priv, vmw_surface_destroy_size()); - if (unlikely(!cmd)) { - DRM_ERROR("Failed reserving FIFO space for surface " - "destruction.\n"); + cmd = VMW_FIFO_RESERVE(dev_priv, vmw_surface_destroy_size()); + if (unlikely(!cmd)) return; - } vmw_surface_destroy_encode(res->id, cmd); vmw_fifo_commit(dev_priv, vmw_surface_destroy_size()); @@ -359,7 +385,6 @@ static void vmw_hw_surface_destroy(struct vmw_resource *res) */ mutex_lock(&dev_priv->cmdbuf_mutex); - srf = vmw_res_to_srf(res); dev_priv->used_memory_size -= res->backup_size; mutex_unlock(&dev_priv->cmdbuf_mutex); } @@ -414,10 +439,8 @@ static int vmw_legacy_srf_create(struct vmw_resource *res) */ submit_size = vmw_surface_define_size(srf); - cmd = vmw_fifo_reserve(dev_priv, submit_size); + cmd = VMW_FIFO_RESERVE(dev_priv, submit_size); if (unlikely(!cmd)) { - DRM_ERROR("Failed reserving FIFO space for surface " - "creation.\n"); ret = -ENOMEM; goto out_no_fifo; } @@ -468,12 +491,10 @@ static int vmw_legacy_srf_dma(struct vmw_resource *res, BUG_ON(!val_buf->bo); submit_size = vmw_surface_dma_size(srf); - cmd = vmw_fifo_reserve(dev_priv, submit_size); - if (unlikely(!cmd)) { - DRM_ERROR("Failed reserving FIFO space for surface " - "DMA.\n"); + cmd = VMW_FIFO_RESERVE(dev_priv, submit_size); + if (unlikely(!cmd)) return -ENOMEM; - } + vmw_bo_get_guest_ptr(val_buf->bo, &ptr); vmw_surface_dma_encode(srf, cmd, &ptr, bind); @@ -556,12 +577,9 @@ static int vmw_legacy_srf_destroy(struct vmw_resource *res) */ submit_size = vmw_surface_destroy_size(); - cmd = vmw_fifo_reserve(dev_priv, submit_size); - if (unlikely(!cmd)) { - DRM_ERROR("Failed reserving FIFO space for surface " - "eviction.\n"); + cmd = VMW_FIFO_RESERVE(dev_priv, submit_size); + if (unlikely(!cmd)) return -ENOMEM; - } vmw_surface_destroy_encode(res->id, cmd); vmw_fifo_commit(dev_priv, submit_size); @@ -647,6 +665,7 @@ static void vmw_user_surface_free(struct vmw_resource *res) struct vmw_private *dev_priv = srf->res.dev_priv; uint32_t size = user_srf->size; + WARN_ON_ONCE(res->dirty); if (user_srf->master) drm_master_put(&user_srf->master); kfree(srf->offsets); @@ -748,11 +767,10 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data, ttm_round_pot(num_sizes * sizeof(struct drm_vmw_size)) + ttm_round_pot(num_sizes * sizeof(struct vmw_surface_offset)); - desc = svga3dsurface_get_desc(req->format); if (unlikely(desc->block_desc == SVGA3DBLOCKDESC_NONE)) { - DRM_ERROR("Invalid surface format for surface creation.\n"); - DRM_ERROR("Format requested is: %d\n", req->format); + VMW_DEBUG_USER("Invalid format %d for surface creation.\n", + req->format); return -EINVAL; } @@ -764,8 +782,7 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data, size, &ctx); if (unlikely(ret != 0)) { if (ret != -ERESTARTSYS) - DRM_ERROR("Out of graphics memory for surface" - " creation.\n"); + DRM_ERROR("Out of graphics memory for surface.\n"); goto out_unlock; } @@ -927,24 +944,18 @@ vmw_surface_handle_reference(struct vmw_private *dev_priv, if (unlikely(drm_is_render_client(file_priv))) require_exist = true; - if (READ_ONCE(vmw_fpriv(file_priv)->locked_master)) { - DRM_ERROR("Locked master refused legacy " - "surface reference.\n"); - return -EACCES; - } - handle = u_handle; } ret = -EINVAL; base = ttm_base_object_lookup_for_ref(dev_priv->tdev, handle); if (unlikely(!base)) { - DRM_ERROR("Could not find surface to reference.\n"); + VMW_DEBUG_USER("Could not find surface to reference.\n"); goto out_no_lookup; } if (unlikely(ttm_base_object_type(base) != VMW_RES_SURFACE)) { - DRM_ERROR("Referenced object is not a surface.\n"); + VMW_DEBUG_USER("Referenced object is not a surface.\n"); goto out_bad_resource; } @@ -1022,8 +1033,8 @@ int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, ret = copy_to_user(user_sizes, &srf->base_size, sizeof(srf->base_size)); if (unlikely(ret != 0)) { - DRM_ERROR("copy_to_user failed %p %u\n", - user_sizes, srf->num_sizes); + VMW_DEBUG_USER("copy_to_user failed %p %u\n", user_sizes, + srf->num_sizes); ttm_ref_object_base_unref(tfile, base->handle, TTM_REF_USAGE); ret = -EFAULT; } @@ -1088,12 +1099,10 @@ static int vmw_gb_surface_create(struct vmw_resource *res) submit_len = sizeof(*cmd); } - cmd = vmw_fifo_reserve(dev_priv, submit_len); + cmd = VMW_FIFO_RESERVE(dev_priv, submit_len); cmd2 = (typeof(cmd2))cmd; cmd3 = (typeof(cmd3))cmd; if (unlikely(!cmd)) { - DRM_ERROR("Failed reserving FIFO space for surface " - "creation.\n"); ret = -ENOMEM; goto out_no_fifo; } @@ -1171,12 +1180,9 @@ static int vmw_gb_surface_bind(struct vmw_resource *res, submit_size = sizeof(*cmd1) + (res->backup_dirty ? sizeof(*cmd2) : 0); - cmd1 = vmw_fifo_reserve(dev_priv, submit_size); - if (unlikely(!cmd1)) { - DRM_ERROR("Failed reserving FIFO space for surface " - "binding.\n"); + cmd1 = VMW_FIFO_RESERVE(dev_priv, submit_size); + if (unlikely(!cmd1)) return -ENOMEM; - } cmd1->header.id = SVGA_3D_CMD_BIND_GB_SURFACE; cmd1->header.size = sizeof(cmd1->body); @@ -1187,10 +1193,16 @@ static int vmw_gb_surface_bind(struct vmw_resource *res, cmd2->header.id = SVGA_3D_CMD_UPDATE_GB_SURFACE; cmd2->header.size = sizeof(cmd2->body); cmd2->body.sid = res->id; - res->backup_dirty = false; } vmw_fifo_commit(dev_priv, submit_size); + if (res->backup->dirty && res->backup_dirty) { + /* We've just made a full upload. Cear dirty regions. */ + vmw_bo_dirty_clear_res(res); + } + + res->backup_dirty = false; + return 0; } @@ -1221,12 +1233,9 @@ static int vmw_gb_surface_unbind(struct vmw_resource *res, BUG_ON(bo->mem.mem_type != VMW_PL_MOB); submit_size = sizeof(*cmd3) + (readback ? sizeof(*cmd1) : sizeof(*cmd2)); - cmd = vmw_fifo_reserve(dev_priv, submit_size); - if (unlikely(!cmd)) { - DRM_ERROR("Failed reserving FIFO space for surface " - "unbinding.\n"); + cmd = VMW_FIFO_RESERVE(dev_priv, submit_size); + if (unlikely(!cmd)) return -ENOMEM; - } if (readback) { cmd1 = (void *) cmd; @@ -1280,10 +1289,8 @@ static int vmw_gb_surface_destroy(struct vmw_resource *res) vmw_view_surface_list_destroy(dev_priv, &srf->view_list); vmw_binding_res_list_scrub(&res->binding_head); - cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); + cmd = VMW_FIFO_RESERVE(dev_priv, sizeof(*cmd)); if (unlikely(!cmd)) { - DRM_ERROR("Failed reserving FIFO space for surface " - "destruction.\n"); mutex_unlock(&dev_priv->binding_mutex); return -ENOMEM; } @@ -1405,16 +1412,16 @@ int vmw_surface_gb_priv_define(struct drm_device *dev, if (for_scanout) { if (!svga3dsurface_is_screen_target_format(format)) { - DRM_ERROR("Invalid Screen Target surface format."); + VMW_DEBUG_USER("Invalid Screen Target surface format."); return -EINVAL; } if (size.width > dev_priv->texture_max_width || size.height > dev_priv->texture_max_height) { - DRM_ERROR("%ux%u\n, exceeds max surface size %ux%u", - size.width, size.height, - dev_priv->texture_max_width, - dev_priv->texture_max_height); + VMW_DEBUG_USER("%ux%u\n, exceeds max surface size %ux%u", + size.width, size.height, + dev_priv->texture_max_width, + dev_priv->texture_max_height); return -EINVAL; } } else { @@ -1422,14 +1429,14 @@ int vmw_surface_gb_priv_define(struct drm_device *dev, desc = svga3dsurface_get_desc(format); if (unlikely(desc->block_desc == SVGA3DBLOCKDESC_NONE)) { - DRM_ERROR("Invalid surface format.\n"); + VMW_DEBUG_USER("Invalid surface format.\n"); return -EINVAL; } } /* array_size must be null for non-GL3 host. */ if (array_size > 0 && !dev_priv->has_dx) { - DRM_ERROR("Tried to create DX surface on non-DX host.\n"); + VMW_DEBUG_USER("Tried to create DX surface on non-DX host.\n"); return -EINVAL; } @@ -1651,7 +1658,7 @@ vmw_gb_surface_define_internal(struct drm_device *dev, if (ret == 0) { if (res->backup->base.num_pages * PAGE_SIZE < res->backup_size) { - DRM_ERROR("Surface backup buffer too small.\n"); + VMW_DEBUG_USER("Surface backup buffer too small.\n"); vmw_bo_unreference(&res->backup); ret = -EINVAL; goto out_unlock; @@ -1660,7 +1667,8 @@ vmw_gb_surface_define_internal(struct drm_device *dev, } } } else if (req->base.drm_surface_flags & - drm_vmw_surface_flag_create_buffer) + (drm_vmw_surface_flag_create_buffer | + drm_vmw_surface_flag_coherent)) ret = vmw_user_bo_alloc(dev_priv, tfile, res->backup_size, req->base.drm_surface_flags & @@ -1674,6 +1682,26 @@ vmw_gb_surface_define_internal(struct drm_device *dev, goto out_unlock; } + if (req->base.drm_surface_flags & drm_vmw_surface_flag_coherent) { + struct vmw_buffer_object *backup = res->backup; + + ttm_bo_reserve(&backup->base, false, false, NULL); + if (!res->func->dirty_alloc) + ret = -EINVAL; + if (!ret) + ret = vmw_bo_dirty_add(backup); + if (!ret) { + res->coherent = true; + ret = res->func->dirty_alloc(res); + } + ttm_bo_unreserve(&backup->base); + if (ret) { + vmw_resource_unreference(&res); + goto out_unlock; + } + + } + tmp = vmw_resource_reference(res); ret = ttm_prime_object_init(tfile, res->backup_size, &user_srf->prime, req->base.drm_surface_flags & @@ -1691,7 +1719,7 @@ vmw_gb_surface_define_internal(struct drm_device *dev, rep->backup_size = res->backup_size; if (res->backup) { rep->buffer_map_handle = - drm_vma_node_offset_addr(&res->backup->base.vma_node); + drm_vma_node_offset_addr(&res->backup->base.base.vma_node); rep->buffer_size = res->backup->base.num_pages * PAGE_SIZE; rep->buffer_handle = backup_handle; } else { @@ -1767,7 +1795,7 @@ vmw_gb_surface_reference_internal(struct drm_device *dev, rep->crep.backup_size = srf->res.backup_size; rep->crep.buffer_handle = backup_handle; rep->crep.buffer_map_handle = - drm_vma_node_offset_addr(&srf->res.backup->base.vma_node); + drm_vma_node_offset_addr(&srf->res.backup->base.base.vma_node); rep->crep.buffer_size = srf->res.backup->base.num_pages * PAGE_SIZE; rep->creq.version = drm_vmw_gb_surface_v1; @@ -1782,3 +1810,338 @@ out_bad_resource: return ret; } + +/** + * vmw_subres_dirty_add - Add a dirty region to a subresource + * @dirty: The surfaces's dirty tracker. + * @loc_start: The location corresponding to the start of the region. + * @loc_end: The location corresponding to the end of the region. + * + * As we are assuming that @loc_start and @loc_end represent a sequential + * range of backing store memory, if the region spans multiple lines then + * regardless of the x coordinate, the full lines are dirtied. + * Correspondingly if the region spans multiple z slices, then full rather + * than partial z slices are dirtied. + */ +static void vmw_subres_dirty_add(struct vmw_surface_dirty *dirty, + const struct svga3dsurface_loc *loc_start, + const struct svga3dsurface_loc *loc_end) +{ + const struct svga3dsurface_cache *cache = &dirty->cache; + SVGA3dBox *box = &dirty->boxes[loc_start->sub_resource]; + u32 mip = loc_start->sub_resource % cache->num_mip_levels; + const struct drm_vmw_size *size = &cache->mip[mip].size; + u32 box_c2 = box->z + box->d; + + if (WARN_ON(loc_start->sub_resource >= dirty->num_subres)) + return; + + if (box->d == 0 || box->z > loc_start->z) + box->z = loc_start->z; + if (box_c2 < loc_end->z) + box->d = loc_end->z - box->z; + + if (loc_start->z + 1 == loc_end->z) { + box_c2 = box->y + box->h; + if (box->h == 0 || box->y > loc_start->y) + box->y = loc_start->y; + if (box_c2 < loc_end->y) + box->h = loc_end->y - box->y; + + if (loc_start->y + 1 == loc_end->y) { + box_c2 = box->x + box->w; + if (box->w == 0 || box->x > loc_start->x) + box->x = loc_start->x; + if (box_c2 < loc_end->x) + box->w = loc_end->x - box->x; + } else { + box->x = 0; + box->w = size->width; + } + } else { + box->y = 0; + box->h = size->height; + box->x = 0; + box->w = size->width; + } +} + +/** + * vmw_subres_dirty_full - Mark a full subresource as dirty + * @dirty: The surface's dirty tracker. + * @subres: The subresource + */ +static void vmw_subres_dirty_full(struct vmw_surface_dirty *dirty, u32 subres) +{ + const struct svga3dsurface_cache *cache = &dirty->cache; + u32 mip = subres % cache->num_mip_levels; + const struct drm_vmw_size *size = &cache->mip[mip].size; + SVGA3dBox *box = &dirty->boxes[subres]; + + box->x = 0; + box->y = 0; + box->z = 0; + box->w = size->width; + box->h = size->height; + box->d = size->depth; +} + +/* + * vmw_surface_tex_dirty_add_range - The dirty_add_range callback for texture + * surfaces. + */ +static void vmw_surface_tex_dirty_range_add(struct vmw_resource *res, + size_t start, size_t end) +{ + struct vmw_surface_dirty *dirty = + (struct vmw_surface_dirty *) res->dirty; + size_t backup_end = res->backup_offset + res->backup_size; + struct svga3dsurface_loc loc1, loc2; + const struct svga3dsurface_cache *cache; + + start = max_t(size_t, start, res->backup_offset) - res->backup_offset; + end = min(end, backup_end) - res->backup_offset; + cache = &dirty->cache; + svga3dsurface_get_loc(cache, &loc1, start); + svga3dsurface_get_loc(cache, &loc2, end - 1); + svga3dsurface_inc_loc(cache, &loc2); + + if (loc1.sub_resource + 1 == loc2.sub_resource) { + /* Dirty range covers a single sub-resource */ + vmw_subres_dirty_add(dirty, &loc1, &loc2); + } else { + /* Dirty range covers multiple sub-resources */ + struct svga3dsurface_loc loc_min, loc_max; + u32 sub_res; + + svga3dsurface_max_loc(cache, loc1.sub_resource, &loc_max); + vmw_subres_dirty_add(dirty, &loc1, &loc_max); + svga3dsurface_min_loc(cache, loc2.sub_resource - 1, &loc_min); + vmw_subres_dirty_add(dirty, &loc_min, &loc2); + for (sub_res = loc1.sub_resource + 1; + sub_res < loc2.sub_resource - 1; ++sub_res) + vmw_subres_dirty_full(dirty, sub_res); + } +} + +/* + * vmw_surface_tex_dirty_add_range - The dirty_add_range callback for buffer + * surfaces. + */ +static void vmw_surface_buf_dirty_range_add(struct vmw_resource *res, + size_t start, size_t end) +{ + struct vmw_surface_dirty *dirty = + (struct vmw_surface_dirty *) res->dirty; + const struct svga3dsurface_cache *cache = &dirty->cache; + size_t backup_end = res->backup_offset + cache->mip_chain_bytes; + SVGA3dBox *box = &dirty->boxes[0]; + u32 box_c2; + + box->h = box->d = 1; + start = max_t(size_t, start, res->backup_offset) - res->backup_offset; + end = min(end, backup_end) - res->backup_offset; + box_c2 = box->x + box->w; + if (box->w == 0 || box->x > start) + box->x = start; + if (box_c2 < end) + box->w = end - box->x; +} + +/* + * vmw_surface_tex_dirty_add_range - The dirty_add_range callback for surfaces + */ +static void vmw_surface_dirty_range_add(struct vmw_resource *res, size_t start, + size_t end) +{ + struct vmw_surface *srf = vmw_res_to_srf(res); + + if (WARN_ON(end <= res->backup_offset || + start >= res->backup_offset + res->backup_size)) + return; + + if (srf->format == SVGA3D_BUFFER) + vmw_surface_buf_dirty_range_add(res, start, end); + else + vmw_surface_tex_dirty_range_add(res, start, end); +} + +/* + * vmw_surface_dirty_sync - The surface's dirty_sync callback. + */ +static int vmw_surface_dirty_sync(struct vmw_resource *res) +{ + struct vmw_private *dev_priv = res->dev_priv; + bool has_dx = 0; + u32 i, num_dirty; + struct vmw_surface_dirty *dirty = + (struct vmw_surface_dirty *) res->dirty; + size_t alloc_size; + const struct svga3dsurface_cache *cache = &dirty->cache; + struct { + SVGA3dCmdHeader header; + SVGA3dCmdDXUpdateSubResource body; + } *cmd1; + struct { + SVGA3dCmdHeader header; + SVGA3dCmdUpdateGBImage body; + } *cmd2; + void *cmd; + + num_dirty = 0; + for (i = 0; i < dirty->num_subres; ++i) { + const SVGA3dBox *box = &dirty->boxes[i]; + + if (box->d) + num_dirty++; + } + + if (!num_dirty) + goto out; + + alloc_size = num_dirty * ((has_dx) ? sizeof(*cmd1) : sizeof(*cmd2)); + cmd = VMW_FIFO_RESERVE(dev_priv, alloc_size); + if (!cmd) + return -ENOMEM; + + cmd1 = cmd; + cmd2 = cmd; + + for (i = 0; i < dirty->num_subres; ++i) { + const SVGA3dBox *box = &dirty->boxes[i]; + + if (!box->d) + continue; + + /* + * DX_UPDATE_SUBRESOURCE is aware of array surfaces. + * UPDATE_GB_IMAGE is not. + */ + if (has_dx) { + cmd1->header.id = SVGA_3D_CMD_DX_UPDATE_SUBRESOURCE; + cmd1->header.size = sizeof(cmd1->body); + cmd1->body.sid = res->id; + cmd1->body.subResource = i; + cmd1->body.box = *box; + cmd1++; + } else { + cmd2->header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE; + cmd2->header.size = sizeof(cmd2->body); + cmd2->body.image.sid = res->id; + cmd2->body.image.face = i / cache->num_mip_levels; + cmd2->body.image.mipmap = i - + (cache->num_mip_levels * cmd2->body.image.face); + cmd2->body.box = *box; + cmd2++; + } + + } + vmw_fifo_commit(dev_priv, alloc_size); + out: + memset(&dirty->boxes[0], 0, sizeof(dirty->boxes[0]) * + dirty->num_subres); + + return 0; +} + +/* + * vmw_surface_dirty_alloc - The surface's dirty_alloc callback. + */ +static int vmw_surface_dirty_alloc(struct vmw_resource *res) +{ + struct vmw_surface *srf = vmw_res_to_srf(res); + struct vmw_surface_dirty *dirty; + u32 num_layers = 1; + u32 num_mip; + u32 num_subres; + u32 num_samples; + size_t dirty_size, acc_size; + static struct ttm_operation_ctx ctx = { + .interruptible = false, + .no_wait_gpu = false + }; + int ret; + + if (srf->array_size) + num_layers = srf->array_size; + else if (srf->flags & SVGA3D_SURFACE_CUBEMAP) + num_layers *= SVGA3D_MAX_SURFACE_FACES; + + num_mip = srf->mip_levels[0]; + if (!num_mip) + num_mip = 1; + + num_subres = num_layers * num_mip; + dirty_size = sizeof(*dirty) + num_subres * sizeof(dirty->boxes[0]); + acc_size = ttm_round_pot(dirty_size); + ret = ttm_mem_global_alloc(vmw_mem_glob(res->dev_priv), + acc_size, &ctx); + if (ret) { + VMW_DEBUG_USER("Out of graphics memory for surface " + "dirty tracker.\n"); + return ret; + } + + dirty = kvzalloc(dirty_size, GFP_KERNEL); + if (!dirty) { + ret = -ENOMEM; + goto out_no_dirty; + } + + num_samples = max_t(u32, 1, srf->multisample_count); + ret = svga3dsurface_setup_cache(&srf->base_size, srf->format, num_mip, + num_layers, num_samples, &dirty->cache); + if (ret) + goto out_no_cache; + + dirty->num_subres = num_subres; + dirty->size = acc_size; + res->dirty = (struct vmw_resource_dirty *) dirty; + + return 0; + +out_no_cache: + kvfree(dirty); +out_no_dirty: + ttm_mem_global_free(vmw_mem_glob(res->dev_priv), acc_size); + return ret; +} + +/* + * vmw_surface_dirty_free - The surface's dirty_free callback + */ +static void vmw_surface_dirty_free(struct vmw_resource *res) +{ + struct vmw_surface_dirty *dirty = + (struct vmw_surface_dirty *) res->dirty; + size_t acc_size = dirty->size; + + kvfree(dirty); + ttm_mem_global_free(vmw_mem_glob(res->dev_priv), acc_size); + res->dirty = NULL; +} + +/* + * vmw_surface_clean - The surface's clean callback + */ +static int vmw_surface_clean(struct vmw_resource *res) +{ + struct vmw_private *dev_priv = res->dev_priv; + size_t alloc_size; + struct { + SVGA3dCmdHeader header; + SVGA3dCmdReadbackGBSurface body; + } *cmd; + + alloc_size = sizeof(*cmd); + cmd = VMW_FIFO_RESERVE(dev_priv, alloc_size); + if (!cmd) + return -ENOMEM; + + cmd->header.id = SVGA_3D_CMD_READBACK_GB_SURFACE; + cmd->header.size = sizeof(cmd->body); + cmd->body.sid = res->id; + vmw_fifo_commit(dev_priv, alloc_size); + + return 0; +} |