| /************************************************************************** |
| * |
| * Copyright © 2009-2012 VMware, Inc., Palo Alto, CA., USA |
| * All Rights Reserved. |
| * |
| * 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, sub license, 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 (including the |
| * next paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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 "vmwgfx_drv.h" |
| #include "vmwgfx_resource_priv.h" |
| #include <ttm/ttm_placement.h> |
| #include "svga3d_surfacedefs.h" |
| |
| /** |
| * struct vmw_user_surface - User-space visible surface resource |
| * |
| * @base: The TTM base object handling user-space visibility. |
| * @srf: The surface metadata. |
| * @size: TTM accounting size for the surface. |
| */ |
| struct vmw_user_surface { |
| struct ttm_prime_object prime; |
| struct vmw_surface srf; |
| uint32_t size; |
| }; |
| |
| /** |
| * struct vmw_surface_offset - Backing store mip level offset info |
| * |
| * @face: Surface face. |
| * @mip: Mip level. |
| * @bo_offset: Offset into backing store of this mip level. |
| * |
| */ |
| struct vmw_surface_offset { |
| uint32_t face; |
| uint32_t mip; |
| uint32_t bo_offset; |
| }; |
| |
| 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); |
| static int vmw_legacy_srf_bind(struct vmw_resource *res, |
| struct ttm_validate_buffer *val_buf); |
| static int vmw_legacy_srf_unbind(struct vmw_resource *res, |
| bool readback, |
| struct ttm_validate_buffer *val_buf); |
| static int vmw_legacy_srf_create(struct vmw_resource *res); |
| static int vmw_legacy_srf_destroy(struct vmw_resource *res); |
| static int vmw_gb_surface_create(struct vmw_resource *res); |
| static int vmw_gb_surface_bind(struct vmw_resource *res, |
| struct ttm_validate_buffer *val_buf); |
| static int vmw_gb_surface_unbind(struct vmw_resource *res, |
| bool readback, |
| struct ttm_validate_buffer *val_buf); |
| static int vmw_gb_surface_destroy(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, |
| .res_free = vmw_user_surface_free |
| }; |
| |
| const struct vmw_user_resource_conv *user_surface_converter = |
| &user_surface_conv; |
| |
| |
| static uint64_t vmw_user_surface_size; |
| |
| static const struct vmw_res_func vmw_legacy_surface_func = { |
| .res_type = vmw_res_surface, |
| .needs_backup = false, |
| .may_evict = true, |
| .type_name = "legacy surfaces", |
| .backup_placement = &vmw_srf_placement, |
| .create = &vmw_legacy_srf_create, |
| .destroy = &vmw_legacy_srf_destroy, |
| .bind = &vmw_legacy_srf_bind, |
| .unbind = &vmw_legacy_srf_unbind |
| }; |
| |
| static const struct vmw_res_func vmw_gb_surface_func = { |
| .res_type = vmw_res_surface, |
| .needs_backup = true, |
| .may_evict = true, |
| .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 |
| }; |
| |
| /** |
| * struct vmw_surface_dma - SVGA3D DMA command |
| */ |
| struct vmw_surface_dma { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdSurfaceDMA body; |
| SVGA3dCopyBox cb; |
| SVGA3dCmdSurfaceDMASuffix suffix; |
| }; |
| |
| /** |
| * struct vmw_surface_define - SVGA3D Surface Define command |
| */ |
| struct vmw_surface_define { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdDefineSurface body; |
| }; |
| |
| /** |
| * struct vmw_surface_destroy - SVGA3D Surface Destroy command |
| */ |
| struct vmw_surface_destroy { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdDestroySurface body; |
| }; |
| |
| |
| /** |
| * vmw_surface_dma_size - Compute fifo size for a dma command. |
| * |
| * @srf: Pointer to a struct vmw_surface |
| * |
| * Computes the required size for a surface dma command for backup or |
| * restoration of the surface represented by @srf. |
| */ |
| static inline uint32_t vmw_surface_dma_size(const struct vmw_surface *srf) |
| { |
| return srf->num_sizes * sizeof(struct vmw_surface_dma); |
| } |
| |
| |
| /** |
| * vmw_surface_define_size - Compute fifo size for a surface define command. |
| * |
| * @srf: Pointer to a struct vmw_surface |
| * |
| * Computes the required size for a surface define command for the definition |
| * of the surface represented by @srf. |
| */ |
| static inline uint32_t vmw_surface_define_size(const struct vmw_surface *srf) |
| { |
| return sizeof(struct vmw_surface_define) + srf->num_sizes * |
| sizeof(SVGA3dSize); |
| } |
| |
| |
| /** |
| * vmw_surface_destroy_size - Compute fifo size for a surface destroy command. |
| * |
| * Computes the required size for a surface destroy command for the destruction |
| * of a hw surface. |
| */ |
| static inline uint32_t vmw_surface_destroy_size(void) |
| { |
| return sizeof(struct vmw_surface_destroy); |
| } |
| |
| /** |
| * vmw_surface_destroy_encode - Encode a surface_destroy command. |
| * |
| * @id: The surface id |
| * @cmd_space: Pointer to memory area in which the commands should be encoded. |
| */ |
| static void vmw_surface_destroy_encode(uint32_t id, |
| void *cmd_space) |
| { |
| struct vmw_surface_destroy *cmd = (struct vmw_surface_destroy *) |
| cmd_space; |
| |
| cmd->header.id = SVGA_3D_CMD_SURFACE_DESTROY; |
| cmd->header.size = sizeof(cmd->body); |
| cmd->body.sid = id; |
| } |
| |
| /** |
| * vmw_surface_define_encode - Encode a surface_define command. |
| * |
| * @srf: Pointer to a struct vmw_surface object. |
| * @cmd_space: Pointer to memory area in which the commands should be encoded. |
| */ |
| static void vmw_surface_define_encode(const struct vmw_surface *srf, |
| void *cmd_space) |
| { |
| struct vmw_surface_define *cmd = (struct vmw_surface_define *) |
| cmd_space; |
| struct drm_vmw_size *src_size; |
| SVGA3dSize *cmd_size; |
| uint32_t cmd_len; |
| int i; |
| |
| cmd_len = sizeof(cmd->body) + srf->num_sizes * sizeof(SVGA3dSize); |
| |
| cmd->header.id = SVGA_3D_CMD_SURFACE_DEFINE; |
| cmd->header.size = cmd_len; |
| cmd->body.sid = srf->res.id; |
| cmd->body.surfaceFlags = srf->flags; |
| cmd->body.format = cpu_to_le32(srf->format); |
| for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i) |
| cmd->body.face[i].numMipLevels = srf->mip_levels[i]; |
| |
| cmd += 1; |
| cmd_size = (SVGA3dSize *) cmd; |
| src_size = srf->sizes; |
| |
| for (i = 0; i < srf->num_sizes; ++i, cmd_size++, src_size++) { |
| cmd_size->width = src_size->width; |
| cmd_size->height = src_size->height; |
| cmd_size->depth = src_size->depth; |
| } |
| } |
| |
| /** |
| * vmw_surface_dma_encode - Encode a surface_dma command. |
| * |
| * @srf: Pointer to a struct vmw_surface object. |
| * @cmd_space: Pointer to memory area in which the commands should be encoded. |
| * @ptr: Pointer to an SVGAGuestPtr indicating where the surface contents |
| * should be placed or read from. |
| * @to_surface: Boolean whether to DMA to the surface or from the surface. |
| */ |
| static void vmw_surface_dma_encode(struct vmw_surface *srf, |
| void *cmd_space, |
| const SVGAGuestPtr *ptr, |
| bool to_surface) |
| { |
| uint32_t i; |
| struct vmw_surface_dma *cmd = (struct vmw_surface_dma *)cmd_space; |
| const struct svga3d_surface_desc *desc = |
| svga3dsurface_get_desc(srf->format); |
| |
| for (i = 0; i < srf->num_sizes; ++i) { |
| SVGA3dCmdHeader *header = &cmd->header; |
| SVGA3dCmdSurfaceDMA *body = &cmd->body; |
| SVGA3dCopyBox *cb = &cmd->cb; |
| SVGA3dCmdSurfaceDMASuffix *suffix = &cmd->suffix; |
| const struct vmw_surface_offset *cur_offset = &srf->offsets[i]; |
| const struct drm_vmw_size *cur_size = &srf->sizes[i]; |
| |
| header->id = SVGA_3D_CMD_SURFACE_DMA; |
| header->size = sizeof(*body) + sizeof(*cb) + sizeof(*suffix); |
| |
| body->guest.ptr = *ptr; |
| body->guest.ptr.offset += cur_offset->bo_offset; |
| body->guest.pitch = svga3dsurface_calculate_pitch(desc, |
| cur_size); |
| body->host.sid = srf->res.id; |
| body->host.face = cur_offset->face; |
| body->host.mipmap = cur_offset->mip; |
| body->transfer = ((to_surface) ? SVGA3D_WRITE_HOST_VRAM : |
| SVGA3D_READ_HOST_VRAM); |
| cb->x = 0; |
| cb->y = 0; |
| cb->z = 0; |
| cb->srcx = 0; |
| cb->srcy = 0; |
| cb->srcz = 0; |
| cb->w = cur_size->width; |
| cb->h = cur_size->height; |
| cb->d = cur_size->depth; |
| |
| suffix->suffixSize = sizeof(*suffix); |
| suffix->maximumOffset = |
| svga3dsurface_get_image_buffer_size(desc, cur_size, |
| body->guest.pitch); |
| suffix->flags.discard = 0; |
| suffix->flags.unsynchronized = 0; |
| suffix->flags.reserved = 0; |
| ++cmd; |
| } |
| }; |
| |
| |
| /** |
| * vmw_hw_surface_destroy - destroy a Device surface |
| * |
| * @res: Pointer to a struct vmw_resource embedded in a struct |
| * vmw_surface. |
| * |
| * Destroys a the device surface associated with a struct vmw_surface if |
| * any, and adjusts accounting and resource count accordingly. |
| */ |
| 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) { |
| (void) vmw_gb_surface_destroy(res); |
| return; |
| } |
| |
| if (res->id != -1) { |
| |
| cmd = vmw_fifo_reserve(dev_priv, vmw_surface_destroy_size()); |
| if (unlikely(cmd == NULL)) { |
| DRM_ERROR("Failed reserving FIFO space for surface " |
| "destruction.\n"); |
| return; |
| } |
| |
| vmw_surface_destroy_encode(res->id, cmd); |
| vmw_fifo_commit(dev_priv, vmw_surface_destroy_size()); |
| |
| /* |
| * used_memory_size_atomic, or separate lock |
| * to avoid taking dev_priv::cmdbuf_mutex in |
| * the destroy path. |
| */ |
| |
| 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); |
| } |
| vmw_3d_resource_dec(dev_priv, false); |
| } |
| |
| /** |
| * vmw_legacy_srf_create - Create a device surface as part of the |
| * resource validation process. |
| * |
| * @res: Pointer to a struct vmw_surface. |
| * |
| * If the surface doesn't have a hw id. |
| * |
| * Returns -EBUSY if there wasn't sufficient device resources to |
| * complete the validation. Retry after freeing up resources. |
| * |
| * May return other errors if the kernel is out of guest resources. |
| */ |
| static int vmw_legacy_srf_create(struct vmw_resource *res) |
| { |
| struct vmw_private *dev_priv = res->dev_priv; |
| struct vmw_surface *srf; |
| uint32_t submit_size; |
| uint8_t *cmd; |
| int ret; |
| |
| if (likely(res->id != -1)) |
| return 0; |
| |
| srf = vmw_res_to_srf(res); |
| if (unlikely(dev_priv->used_memory_size + res->backup_size >= |
| dev_priv->memory_size)) |
| return -EBUSY; |
| |
| /* |
| * Alloc id for the resource. |
| */ |
| |
| ret = vmw_resource_alloc_id(res); |
| if (unlikely(ret != 0)) { |
| DRM_ERROR("Failed to allocate a surface id.\n"); |
| goto out_no_id; |
| } |
| |
| if (unlikely(res->id >= SVGA3D_MAX_SURFACE_IDS)) { |
| ret = -EBUSY; |
| goto out_no_fifo; |
| } |
| |
| /* |
| * Encode surface define- commands. |
| */ |
| |
| submit_size = vmw_surface_define_size(srf); |
| cmd = vmw_fifo_reserve(dev_priv, submit_size); |
| if (unlikely(cmd == NULL)) { |
| DRM_ERROR("Failed reserving FIFO space for surface " |
| "creation.\n"); |
| ret = -ENOMEM; |
| goto out_no_fifo; |
| } |
| |
| vmw_surface_define_encode(srf, cmd); |
| vmw_fifo_commit(dev_priv, submit_size); |
| /* |
| * Surface memory usage accounting. |
| */ |
| |
| dev_priv->used_memory_size += res->backup_size; |
| return 0; |
| |
| out_no_fifo: |
| vmw_resource_release_id(res); |
| out_no_id: |
| return ret; |
| } |
| |
| /** |
| * vmw_legacy_srf_dma - Copy backup data to or from a legacy surface. |
| * |
| * @res: Pointer to a struct vmw_res embedded in a struct |
| * vmw_surface. |
| * @val_buf: Pointer to a struct ttm_validate_buffer containing |
| * information about the backup buffer. |
| * @bind: Boolean wether to DMA to the surface. |
| * |
| * Transfer backup data to or from a legacy surface as part of the |
| * validation process. |
| * May return other errors if the kernel is out of guest resources. |
| * The backup buffer will be fenced or idle upon successful completion, |
| * and if the surface needs persistent backup storage, the backup buffer |
| * will also be returned reserved iff @bind is true. |
| */ |
| static int vmw_legacy_srf_dma(struct vmw_resource *res, |
| struct ttm_validate_buffer *val_buf, |
| bool bind) |
| { |
| SVGAGuestPtr ptr; |
| struct vmw_fence_obj *fence; |
| uint32_t submit_size; |
| struct vmw_surface *srf = vmw_res_to_srf(res); |
| uint8_t *cmd; |
| struct vmw_private *dev_priv = res->dev_priv; |
| |
| BUG_ON(val_buf->bo == NULL); |
| |
| submit_size = vmw_surface_dma_size(srf); |
| cmd = vmw_fifo_reserve(dev_priv, submit_size); |
| if (unlikely(cmd == NULL)) { |
| DRM_ERROR("Failed reserving FIFO space for surface " |
| "DMA.\n"); |
| return -ENOMEM; |
| } |
| vmw_bo_get_guest_ptr(val_buf->bo, &ptr); |
| vmw_surface_dma_encode(srf, cmd, &ptr, bind); |
| |
| vmw_fifo_commit(dev_priv, submit_size); |
| |
| /* |
| * Create a fence object and fence the backup buffer. |
| */ |
| |
| (void) vmw_execbuf_fence_commands(NULL, dev_priv, |
| &fence, NULL); |
| |
| vmw_fence_single_bo(val_buf->bo, fence); |
| |
| if (likely(fence != NULL)) |
| vmw_fence_obj_unreference(&fence); |
| |
| return 0; |
| } |
| |
| /** |
| * vmw_legacy_srf_bind - Perform a legacy surface bind as part of the |
| * surface validation process. |
| * |
| * @res: Pointer to a struct vmw_res embedded in a struct |
| * vmw_surface. |
| * @val_buf: Pointer to a struct ttm_validate_buffer containing |
| * information about the backup buffer. |
| * |
| * This function will copy backup data to the surface if the |
| * backup buffer is dirty. |
| */ |
| static int vmw_legacy_srf_bind(struct vmw_resource *res, |
| struct ttm_validate_buffer *val_buf) |
| { |
| if (!res->backup_dirty) |
| return 0; |
| |
| return vmw_legacy_srf_dma(res, val_buf, true); |
| } |
| |
| |
| /** |
| * vmw_legacy_srf_unbind - Perform a legacy surface unbind as part of the |
| * surface eviction process. |
| * |
| * @res: Pointer to a struct vmw_res embedded in a struct |
| * vmw_surface. |
| * @val_buf: Pointer to a struct ttm_validate_buffer containing |
| * information about the backup buffer. |
| * |
| * This function will copy backup data from the surface. |
| */ |
| static int vmw_legacy_srf_unbind(struct vmw_resource *res, |
| bool readback, |
| struct ttm_validate_buffer *val_buf) |
| { |
| if (unlikely(readback)) |
| return vmw_legacy_srf_dma(res, val_buf, false); |
| return 0; |
| } |
| |
| /** |
| * vmw_legacy_srf_destroy - Destroy a device surface as part of a |
| * resource eviction process. |
| * |
| * @res: Pointer to a struct vmw_res embedded in a struct |
| * vmw_surface. |
| */ |
| static int vmw_legacy_srf_destroy(struct vmw_resource *res) |
| { |
| struct vmw_private *dev_priv = res->dev_priv; |
| uint32_t submit_size; |
| uint8_t *cmd; |
| |
| BUG_ON(res->id == -1); |
| |
| /* |
| * Encode the dma- and surface destroy commands. |
| */ |
| |
| submit_size = vmw_surface_destroy_size(); |
| cmd = vmw_fifo_reserve(dev_priv, submit_size); |
| if (unlikely(cmd == NULL)) { |
| DRM_ERROR("Failed reserving FIFO space for surface " |
| "eviction.\n"); |
| return -ENOMEM; |
| } |
| |
| vmw_surface_destroy_encode(res->id, cmd); |
| vmw_fifo_commit(dev_priv, submit_size); |
| |
| /* |
| * Surface memory usage accounting. |
| */ |
| |
| dev_priv->used_memory_size -= res->backup_size; |
| |
| /* |
| * Release the surface ID. |
| */ |
| |
| vmw_resource_release_id(res); |
| |
| return 0; |
| } |
| |
| |
| /** |
| * vmw_surface_init - initialize a struct vmw_surface |
| * |
| * @dev_priv: Pointer to a device private struct. |
| * @srf: Pointer to the struct vmw_surface to initialize. |
| * @res_free: Pointer to a resource destructor used to free |
| * the object. |
| */ |
| static int vmw_surface_init(struct vmw_private *dev_priv, |
| struct vmw_surface *srf, |
| void (*res_free) (struct vmw_resource *res)) |
| { |
| int ret; |
| struct vmw_resource *res = &srf->res; |
| |
| BUG_ON(res_free == NULL); |
| if (!dev_priv->has_mob) |
| (void) vmw_3d_resource_inc(dev_priv, false); |
| ret = vmw_resource_init(dev_priv, res, true, res_free, |
| (dev_priv->has_mob) ? &vmw_gb_surface_func : |
| &vmw_legacy_surface_func); |
| |
| if (unlikely(ret != 0)) { |
| if (!dev_priv->has_mob) |
| vmw_3d_resource_dec(dev_priv, false); |
| res_free(res); |
| return ret; |
| } |
| |
| /* |
| * The surface won't be visible to hardware until a |
| * surface validate. |
| */ |
| |
| vmw_resource_activate(res, vmw_hw_surface_destroy); |
| return ret; |
| } |
| |
| /** |
| * vmw_user_surface_base_to_res - TTM base object to resource converter for |
| * user visible surfaces |
| * |
| * @base: Pointer to a TTM base object |
| * |
| * Returns the struct vmw_resource embedded in a struct vmw_surface |
| * for the user-visible object identified by the TTM base object @base. |
| */ |
| static struct vmw_resource * |
| vmw_user_surface_base_to_res(struct ttm_base_object *base) |
| { |
| return &(container_of(base, struct vmw_user_surface, |
| prime.base)->srf.res); |
| } |
| |
| /** |
| * vmw_user_surface_free - User visible surface resource destructor |
| * |
| * @res: A struct vmw_resource embedded in a struct vmw_surface. |
| */ |
| static void vmw_user_surface_free(struct vmw_resource *res) |
| { |
| struct vmw_surface *srf = vmw_res_to_srf(res); |
| struct vmw_user_surface *user_srf = |
| container_of(srf, struct vmw_user_surface, srf); |
| struct vmw_private *dev_priv = srf->res.dev_priv; |
| uint32_t size = user_srf->size; |
| |
| kfree(srf->offsets); |
| kfree(srf->sizes); |
| kfree(srf->snooper.image); |
| ttm_prime_object_kfree(user_srf, prime); |
| ttm_mem_global_free(vmw_mem_glob(dev_priv), size); |
| } |
| |
| /** |
| * vmw_user_surface_free - User visible surface TTM base object destructor |
| * |
| * @p_base: Pointer to a pointer to a TTM base object |
| * embedded in a struct vmw_user_surface. |
| * |
| * Drops the base object's reference on its resource, and the |
| * pointer pointed to by *p_base is set to NULL. |
| */ |
| static void vmw_user_surface_base_release(struct ttm_base_object **p_base) |
| { |
| struct ttm_base_object *base = *p_base; |
| struct vmw_user_surface *user_srf = |
| container_of(base, struct vmw_user_surface, prime.base); |
| struct vmw_resource *res = &user_srf->srf.res; |
| |
| *p_base = NULL; |
| vmw_resource_unreference(&res); |
| } |
| |
| /** |
| * vmw_user_surface_destroy_ioctl - Ioctl function implementing |
| * the user surface destroy functionality. |
| * |
| * @dev: Pointer to a struct drm_device. |
| * @data: Pointer to data copied from / to user-space. |
| * @file_priv: Pointer to a drm file private structure. |
| */ |
| int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file_priv) |
| { |
| struct drm_vmw_surface_arg *arg = (struct drm_vmw_surface_arg *)data; |
| struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; |
| |
| return ttm_ref_object_base_unref(tfile, arg->sid, TTM_REF_USAGE); |
| } |
| |
| /** |
| * vmw_user_surface_define_ioctl - Ioctl function implementing |
| * the user surface define functionality. |
| * |
| * @dev: Pointer to a struct drm_device. |
| * @data: Pointer to data copied from / to user-space. |
| * @file_priv: Pointer to a drm file private structure. |
| */ |
| int vmw_surface_define_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file_priv) |
| { |
| struct vmw_private *dev_priv = vmw_priv(dev); |
| struct vmw_user_surface *user_srf; |
| struct vmw_surface *srf; |
| struct vmw_resource *res; |
| struct vmw_resource *tmp; |
| union drm_vmw_surface_create_arg *arg = |
| (union drm_vmw_surface_create_arg *)data; |
| struct drm_vmw_surface_create_req *req = &arg->req; |
| struct drm_vmw_surface_arg *rep = &arg->rep; |
| struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; |
| struct drm_vmw_size __user *user_sizes; |
| int ret; |
| int i, j; |
| uint32_t cur_bo_offset; |
| struct drm_vmw_size *cur_size; |
| struct vmw_surface_offset *cur_offset; |
| uint32_t num_sizes; |
| uint32_t size; |
| struct vmw_master *vmaster = vmw_master(file_priv->master); |
| const struct svga3d_surface_desc *desc; |
| |
| if (unlikely(vmw_user_surface_size == 0)) |
| vmw_user_surface_size = ttm_round_pot(sizeof(*user_srf)) + |
| 128; |
| |
| num_sizes = 0; |
| for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i) |
| num_sizes += req->mip_levels[i]; |
| |
| if (num_sizes > DRM_VMW_MAX_SURFACE_FACES * |
| DRM_VMW_MAX_MIP_LEVELS) |
| return -EINVAL; |
| |
| size = vmw_user_surface_size + 128 + |
| 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"); |
| return -EINVAL; |
| } |
| |
| ret = ttm_read_lock(&vmaster->lock, true); |
| if (unlikely(ret != 0)) |
| return ret; |
| |
| ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), |
| size, false, true); |
| if (unlikely(ret != 0)) { |
| if (ret != -ERESTARTSYS) |
| DRM_ERROR("Out of graphics memory for surface" |
| " creation.\n"); |
| goto out_unlock; |
| } |
| |
| user_srf = kzalloc(sizeof(*user_srf), GFP_KERNEL); |
| if (unlikely(user_srf == NULL)) { |
| ret = -ENOMEM; |
| goto out_no_user_srf; |
| } |
| |
| srf = &user_srf->srf; |
| res = &srf->res; |
| |
| srf->flags = req->flags; |
| srf->format = req->format; |
| srf->scanout = req->scanout; |
| |
| memcpy(srf->mip_levels, req->mip_levels, sizeof(srf->mip_levels)); |
| srf->num_sizes = num_sizes; |
| user_srf->size = size; |
| |
| srf->sizes = kmalloc(srf->num_sizes * sizeof(*srf->sizes), GFP_KERNEL); |
| if (unlikely(srf->sizes == NULL)) { |
| ret = -ENOMEM; |
| goto out_no_sizes; |
| } |
| srf->offsets = kmalloc(srf->num_sizes * sizeof(*srf->offsets), |
| GFP_KERNEL); |
| if (unlikely(srf->sizes == NULL)) { |
| ret = -ENOMEM; |
| goto out_no_offsets; |
| } |
| |
| user_sizes = (struct drm_vmw_size __user *)(unsigned long) |
| req->size_addr; |
| |
| ret = copy_from_user(srf->sizes, user_sizes, |
| srf->num_sizes * sizeof(*srf->sizes)); |
| if (unlikely(ret != 0)) { |
| ret = -EFAULT; |
| goto out_no_copy; |
| } |
| |
| srf->base_size = *srf->sizes; |
| srf->autogen_filter = SVGA3D_TEX_FILTER_NONE; |
| srf->multisample_count = 1; |
| |
| cur_bo_offset = 0; |
| cur_offset = srf->offsets; |
| cur_size = srf->sizes; |
| |
| for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i) { |
| for (j = 0; j < srf->mip_levels[i]; ++j) { |
| uint32_t stride = svga3dsurface_calculate_pitch |
| (desc, cur_size); |
| |
| cur_offset->face = i; |
| cur_offset->mip = j; |
| cur_offset->bo_offset = cur_bo_offset; |
| cur_bo_offset += svga3dsurface_get_image_buffer_size |
| (desc, cur_size, stride); |
| ++cur_offset; |
| ++cur_size; |
| } |
| } |
| res->backup_size = cur_bo_offset; |
| if (srf->scanout && |
| srf->num_sizes == 1 && |
| srf->sizes[0].width == 64 && |
| srf->sizes[0].height == 64 && |
| srf->format == SVGA3D_A8R8G8B8) { |
| |
| srf->snooper.image = kmalloc(64 * 64 * 4, GFP_KERNEL); |
| /* clear the image */ |
| if (srf->snooper.image) { |
| memset(srf->snooper.image, 0x00, 64 * 64 * 4); |
| } else { |
| DRM_ERROR("Failed to allocate cursor_image\n"); |
| ret = -ENOMEM; |
| goto out_no_copy; |
| } |
| } else { |
| srf->snooper.image = NULL; |
| } |
| srf->snooper.crtc = NULL; |
| |
| user_srf->prime.base.shareable = false; |
| user_srf->prime.base.tfile = NULL; |
| |
| /** |
| * From this point, the generic resource management functions |
| * destroy the object on failure. |
| */ |
| |
| ret = vmw_surface_init(dev_priv, srf, vmw_user_surface_free); |
| if (unlikely(ret != 0)) |
| goto out_unlock; |
| |
| tmp = vmw_resource_reference(&srf->res); |
| ret = ttm_prime_object_init(tfile, res->backup_size, &user_srf->prime, |
| req->shareable, VMW_RES_SURFACE, |
| &vmw_user_surface_base_release, NULL); |
| |
| if (unlikely(ret != 0)) { |
| vmw_resource_unreference(&tmp); |
| vmw_resource_unreference(&res); |
| goto out_unlock; |
| } |
| |
| rep->sid = user_srf->prime.base.hash.key; |
| vmw_resource_unreference(&res); |
| |
| ttm_read_unlock(&vmaster->lock); |
| return 0; |
| out_no_copy: |
| kfree(srf->offsets); |
| out_no_offsets: |
| kfree(srf->sizes); |
| out_no_sizes: |
| ttm_prime_object_kfree(user_srf, prime); |
| out_no_user_srf: |
| ttm_mem_global_free(vmw_mem_glob(dev_priv), size); |
| out_unlock: |
| ttm_read_unlock(&vmaster->lock); |
| return ret; |
| } |
| |
| /** |
| * vmw_user_surface_define_ioctl - Ioctl function implementing |
| * the user surface reference functionality. |
| * |
| * @dev: Pointer to a struct drm_device. |
| * @data: Pointer to data copied from / to user-space. |
| * @file_priv: Pointer to a drm file private structure. |
| */ |
| int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file_priv) |
| { |
| struct vmw_private *dev_priv = vmw_priv(dev); |
| union drm_vmw_surface_reference_arg *arg = |
| (union drm_vmw_surface_reference_arg *)data; |
| struct drm_vmw_surface_arg *req = &arg->req; |
| struct drm_vmw_surface_create_req *rep = &arg->rep; |
| struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; |
| struct vmw_surface *srf; |
| struct vmw_user_surface *user_srf; |
| struct drm_vmw_size __user *user_sizes; |
| struct ttm_base_object *base; |
| int ret = -EINVAL; |
| |
| base = ttm_base_object_lookup_for_ref(dev_priv->tdev, req->sid); |
| if (unlikely(base == NULL)) { |
| DRM_ERROR("Could not find surface to reference.\n"); |
| return -EINVAL; |
| } |
| |
| if (unlikely(ttm_base_object_type(base) != VMW_RES_SURFACE)) |
| goto out_bad_resource; |
| |
| user_srf = container_of(base, struct vmw_user_surface, prime.base); |
| srf = &user_srf->srf; |
| |
| ret = ttm_ref_object_add(tfile, &user_srf->prime.base, |
| TTM_REF_USAGE, NULL); |
| if (unlikely(ret != 0)) { |
| DRM_ERROR("Could not add a reference to a surface.\n"); |
| goto out_no_reference; |
| } |
| |
| rep->flags = srf->flags; |
| rep->format = srf->format; |
| memcpy(rep->mip_levels, srf->mip_levels, sizeof(srf->mip_levels)); |
| user_sizes = (struct drm_vmw_size __user *)(unsigned long) |
| rep->size_addr; |
| |
| if (user_sizes) |
| ret = copy_to_user(user_sizes, srf->sizes, |
| srf->num_sizes * sizeof(*srf->sizes)); |
| if (unlikely(ret != 0)) { |
| DRM_ERROR("copy_to_user failed %p %u\n", |
| user_sizes, srf->num_sizes); |
| ret = -EFAULT; |
| } |
| out_bad_resource: |
| out_no_reference: |
| ttm_base_object_unref(&base); |
| |
| return ret; |
| } |
| |
| /** |
| * vmw_surface_define_encode - Encode a surface_define command. |
| * |
| * @srf: Pointer to a struct vmw_surface object. |
| * @cmd_space: Pointer to memory area in which the commands should be encoded. |
| */ |
| static int vmw_gb_surface_create(struct vmw_resource *res) |
| { |
| struct vmw_private *dev_priv = res->dev_priv; |
| struct vmw_surface *srf = vmw_res_to_srf(res); |
| uint32_t cmd_len, submit_len; |
| int ret; |
| struct { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdDefineGBSurface body; |
| } *cmd; |
| |
| if (likely(res->id != -1)) |
| return 0; |
| |
| (void) vmw_3d_resource_inc(dev_priv, false); |
| ret = vmw_resource_alloc_id(res); |
| if (unlikely(ret != 0)) { |
| DRM_ERROR("Failed to allocate a surface id.\n"); |
| goto out_no_id; |
| } |
| |
| if (unlikely(res->id >= VMWGFX_NUM_GB_SURFACE)) { |
| ret = -EBUSY; |
| goto out_no_fifo; |
| } |
| |
| cmd_len = sizeof(cmd->body); |
| submit_len = sizeof(*cmd); |
| cmd = vmw_fifo_reserve(dev_priv, submit_len); |
| if (unlikely(cmd == NULL)) { |
| DRM_ERROR("Failed reserving FIFO space for surface " |
| "creation.\n"); |
| ret = -ENOMEM; |
| goto out_no_fifo; |
| } |
| |
| cmd->header.id = SVGA_3D_CMD_DEFINE_GB_SURFACE; |
| cmd->header.size = cmd_len; |
| cmd->body.sid = srf->res.id; |
| cmd->body.surfaceFlags = srf->flags; |
| cmd->body.format = cpu_to_le32(srf->format); |
| cmd->body.numMipLevels = srf->mip_levels[0]; |
| cmd->body.multisampleCount = srf->multisample_count; |
| cmd->body.autogenFilter = srf->autogen_filter; |
| cmd->body.size.width = srf->base_size.width; |
| cmd->body.size.height = srf->base_size.height; |
| cmd->body.size.depth = srf->base_size.depth; |
| vmw_fifo_commit(dev_priv, submit_len); |
| |
| return 0; |
| |
| out_no_fifo: |
| vmw_resource_release_id(res); |
| out_no_id: |
| vmw_3d_resource_dec(dev_priv, false); |
| return ret; |
| } |
| |
| |
| static int vmw_gb_surface_bind(struct vmw_resource *res, |
| struct ttm_validate_buffer *val_buf) |
| { |
| struct vmw_private *dev_priv = res->dev_priv; |
| struct { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdBindGBSurface body; |
| } *cmd1; |
| struct { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdUpdateGBSurface body; |
| } *cmd2; |
| uint32_t submit_size; |
| struct ttm_buffer_object *bo = val_buf->bo; |
| |
| BUG_ON(bo->mem.mem_type != VMW_PL_MOB); |
| |
| submit_size = sizeof(*cmd1) + (res->backup_dirty ? sizeof(*cmd2) : 0); |
| |
| cmd1 = vmw_fifo_reserve(dev_priv, submit_size); |
| if (unlikely(cmd1 == NULL)) { |
| DRM_ERROR("Failed reserving FIFO space for surface " |
| "binding.\n"); |
| return -ENOMEM; |
| } |
| |
| cmd1->header.id = SVGA_3D_CMD_BIND_GB_SURFACE; |
| cmd1->header.size = sizeof(cmd1->body); |
| cmd1->body.sid = res->id; |
| cmd1->body.mobid = bo->mem.start; |
| if (res->backup_dirty) { |
| cmd2 = (void *) &cmd1[1]; |
| 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); |
| |
| return 0; |
| } |
| |
| static int vmw_gb_surface_unbind(struct vmw_resource *res, |
| bool readback, |
| struct ttm_validate_buffer *val_buf) |
| { |
| struct vmw_private *dev_priv = res->dev_priv; |
| struct ttm_buffer_object *bo = val_buf->bo; |
| struct vmw_fence_obj *fence; |
| |
| struct { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdReadbackGBSurface body; |
| } *cmd1; |
| struct { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdBindGBSurface body; |
| } *cmd2; |
| uint32_t submit_size; |
| uint8_t *cmd; |
| |
| |
| BUG_ON(bo->mem.mem_type != VMW_PL_MOB); |
| |
| submit_size = sizeof(*cmd2) + (readback ? sizeof(*cmd1) : 0); |
| cmd = vmw_fifo_reserve(dev_priv, submit_size); |
| if (unlikely(cmd == NULL)) { |
| DRM_ERROR("Failed reserving FIFO space for surface " |
| "unbinding.\n"); |
| return -ENOMEM; |
| } |
| |
| cmd2 = (void *) cmd; |
| if (readback) { |
| cmd1 = (void *) cmd; |
| cmd1->header.id = SVGA_3D_CMD_READBACK_GB_SURFACE; |
| cmd1->header.size = sizeof(cmd1->body); |
| cmd1->body.sid = res->id; |
| cmd2 = (void *) &cmd1[1]; |
| } |
| cmd2->header.id = SVGA_3D_CMD_BIND_GB_SURFACE; |
| cmd2->header.size = sizeof(cmd2->body); |
| cmd2->body.sid = res->id; |
| cmd2->body.mobid = SVGA3D_INVALID_ID; |
| |
| vmw_fifo_commit(dev_priv, submit_size); |
| |
| /* |
| * Create a fence object and fence the backup buffer. |
| */ |
| |
| (void) vmw_execbuf_fence_commands(NULL, dev_priv, |
| &fence, NULL); |
| |
| vmw_fence_single_bo(val_buf->bo, fence); |
| |
| if (likely(fence != NULL)) |
| vmw_fence_obj_unreference(&fence); |
| |
| return 0; |
| } |
| |
| static int vmw_gb_surface_destroy(struct vmw_resource *res) |
| { |
| struct vmw_private *dev_priv = res->dev_priv; |
| struct { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdDestroyGBSurface body; |
| } *cmd; |
| |
| if (likely(res->id == -1)) |
| return 0; |
| |
| cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); |
| if (unlikely(cmd == NULL)) { |
| DRM_ERROR("Failed reserving FIFO space for surface " |
| "destruction.\n"); |
| return -ENOMEM; |
| } |
| |
| cmd->header.id = SVGA_3D_CMD_DESTROY_GB_SURFACE; |
| cmd->header.size = sizeof(cmd->body); |
| cmd->body.sid = res->id; |
| vmw_fifo_commit(dev_priv, sizeof(*cmd)); |
| vmw_resource_release_id(res); |
| vmw_3d_resource_dec(dev_priv, false); |
| |
| return 0; |
| } |
| |
| /** |
| * vmw_gb_surface_define_ioctl - Ioctl function implementing |
| * the user surface define functionality. |
| * |
| * @dev: Pointer to a struct drm_device. |
| * @data: Pointer to data copied from / to user-space. |
| * @file_priv: Pointer to a drm file private structure. |
| */ |
| int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file_priv) |
| { |
| struct vmw_private *dev_priv = vmw_priv(dev); |
| struct vmw_user_surface *user_srf; |
| struct vmw_surface *srf; |
| struct vmw_resource *res; |
| struct vmw_resource *tmp; |
| union drm_vmw_gb_surface_create_arg *arg = |
| (union drm_vmw_gb_surface_create_arg *)data; |
| struct drm_vmw_gb_surface_create_req *req = &arg->req; |
| struct drm_vmw_gb_surface_create_rep *rep = &arg->rep; |
| struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; |
| int ret; |
| uint32_t size; |
| struct vmw_master *vmaster = vmw_master(file_priv->master); |
| const struct svga3d_surface_desc *desc; |
| uint32_t backup_handle; |
| |
| if (unlikely(vmw_user_surface_size == 0)) |
| vmw_user_surface_size = ttm_round_pot(sizeof(*user_srf)) + |
| 128; |
| |
| size = vmw_user_surface_size + 128; |
| |
| desc = svga3dsurface_get_desc(req->format); |
| if (unlikely(desc->block_desc == SVGA3DBLOCKDESC_NONE)) { |
| DRM_ERROR("Invalid surface format for surface creation.\n"); |
| return -EINVAL; |
| } |
| |
| ret = ttm_read_lock(&vmaster->lock, true); |
| if (unlikely(ret != 0)) |
| return ret; |
| |
| ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), |
| size, false, true); |
| if (unlikely(ret != 0)) { |
| if (ret != -ERESTARTSYS) |
| DRM_ERROR("Out of graphics memory for surface" |
| " creation.\n"); |
| goto out_unlock; |
| } |
| |
| user_srf = kzalloc(sizeof(*user_srf), GFP_KERNEL); |
| if (unlikely(user_srf == NULL)) { |
| ret = -ENOMEM; |
| goto out_no_user_srf; |
| } |
| |
| srf = &user_srf->srf; |
| res = &srf->res; |
| |
| srf->flags = req->svga3d_flags; |
| srf->format = req->format; |
| srf->scanout = req->drm_surface_flags & drm_vmw_surface_flag_scanout; |
| srf->mip_levels[0] = req->mip_levels; |
| srf->num_sizes = 1; |
| srf->sizes = NULL; |
| srf->offsets = NULL; |
| user_srf->size = size; |
| srf->base_size = req->base_size; |
| srf->autogen_filter = SVGA3D_TEX_FILTER_NONE; |
| srf->multisample_count = req->multisample_count; |
| res->backup_size = svga3dsurface_get_serialized_size |
| (srf->format, srf->base_size, srf->mip_levels[0], |
| srf->flags & SVGA3D_SURFACE_CUBEMAP); |
| |
| user_srf->prime.base.shareable = false; |
| user_srf->prime.base.tfile = NULL; |
| |
| /** |
| * From this point, the generic resource management functions |
| * destroy the object on failure. |
| */ |
| |
| ret = vmw_surface_init(dev_priv, srf, vmw_user_surface_free); |
| if (unlikely(ret != 0)) |
| goto out_unlock; |
| |
| if (req->buffer_handle != SVGA3D_INVALID_ID) { |
| ret = vmw_user_dmabuf_lookup(tfile, req->buffer_handle, |
| &res->backup); |
| } else if (req->drm_surface_flags & |
| drm_vmw_surface_flag_create_buffer) |
| ret = vmw_user_dmabuf_alloc(dev_priv, tfile, |
| res->backup_size, |
| req->drm_surface_flags & |
| drm_vmw_surface_flag_shareable, |
| &backup_handle, |
| &res->backup); |
| |
| if (unlikely(ret != 0)) { |
| vmw_resource_unreference(&res); |
| goto out_unlock; |
| } |
| |
| tmp = vmw_resource_reference(&srf->res); |
| ret = ttm_prime_object_init(tfile, res->backup_size, &user_srf->prime, |
| req->drm_surface_flags & |
| drm_vmw_surface_flag_shareable, |
| VMW_RES_SURFACE, |
| &vmw_user_surface_base_release, NULL); |
| |
| if (unlikely(ret != 0)) { |
| vmw_resource_unreference(&tmp); |
| vmw_resource_unreference(&res); |
| goto out_unlock; |
| } |
| |
| rep->handle = user_srf->prime.base.hash.key; |
| rep->backup_size = res->backup_size; |
| if (res->backup) { |
| rep->buffer_map_handle = |
| drm_vma_node_offset_addr(&res->backup->base.vma_node); |
| rep->buffer_size = res->backup->base.num_pages * PAGE_SIZE; |
| rep->buffer_handle = backup_handle; |
| } else { |
| rep->buffer_map_handle = 0; |
| rep->buffer_size = 0; |
| rep->buffer_handle = SVGA3D_INVALID_ID; |
| } |
| |
| vmw_resource_unreference(&res); |
| |
| ttm_read_unlock(&vmaster->lock); |
| return 0; |
| out_no_user_srf: |
| ttm_mem_global_free(vmw_mem_glob(dev_priv), size); |
| out_unlock: |
| ttm_read_unlock(&vmaster->lock); |
| return ret; |
| } |
| |
| /** |
| * vmw_gb_surface_reference_ioctl - Ioctl function implementing |
| * the user surface reference functionality. |
| * |
| * @dev: Pointer to a struct drm_device. |
| * @data: Pointer to data copied from / to user-space. |
| * @file_priv: Pointer to a drm file private structure. |
| */ |
| int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, |
| struct drm_file *file_priv) |
| { |
| struct vmw_private *dev_priv = vmw_priv(dev); |
| union drm_vmw_gb_surface_reference_arg *arg = |
| (union drm_vmw_gb_surface_reference_arg *)data; |
| struct drm_vmw_surface_arg *req = &arg->req; |
| struct drm_vmw_gb_surface_ref_rep *rep = &arg->rep; |
| struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; |
| struct vmw_surface *srf; |
| struct vmw_user_surface *user_srf; |
| struct ttm_base_object *base; |
| uint32_t backup_handle; |
| int ret = -EINVAL; |
| |
| base = ttm_base_object_lookup_for_ref(dev_priv->tdev, req->sid); |
| if (unlikely(base == NULL)) { |
| DRM_ERROR("Could not find surface to reference.\n"); |
| return -EINVAL; |
| } |
| |
| if (unlikely(ttm_base_object_type(base) != VMW_RES_SURFACE)) |
| goto out_bad_resource; |
| |
| user_srf = container_of(base, struct vmw_user_surface, prime.base); |
| srf = &user_srf->srf; |
| if (srf->res.backup == NULL) { |
| DRM_ERROR("Shared GB surface is missing a backup buffer.\n"); |
| goto out_bad_resource; |
| } |
| |
| ret = ttm_ref_object_add(tfile, &user_srf->prime.base, |
| TTM_REF_USAGE, NULL); |
| if (unlikely(ret != 0)) { |
| DRM_ERROR("Could not add a reference to a GB surface.\n"); |
| goto out_bad_resource; |
| } |
| |
| mutex_lock(&dev_priv->cmdbuf_mutex); /* Protect res->backup */ |
| ret = vmw_user_dmabuf_reference(tfile, srf->res.backup, |
| &backup_handle); |
| mutex_unlock(&dev_priv->cmdbuf_mutex); |
| |
| if (unlikely(ret != 0)) { |
| DRM_ERROR("Could not add a reference to a GB surface " |
| "backup buffer.\n"); |
| (void) ttm_ref_object_base_unref(vmw_fpriv(file_priv)->tfile, |
| req->sid, |
| TTM_REF_USAGE); |
| goto out_bad_resource; |
| } |
| |
| rep->creq.svga3d_flags = srf->flags; |
| rep->creq.format = srf->format; |
| rep->creq.mip_levels = srf->mip_levels[0]; |
| rep->creq.drm_surface_flags = 0; |
| rep->creq.multisample_count = srf->multisample_count; |
| rep->creq.autogen_filter = srf->autogen_filter; |
| rep->creq.buffer_handle = backup_handle; |
| rep->creq.base_size = srf->base_size; |
| rep->crep.handle = user_srf->prime.base.hash.key; |
| 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); |
| rep->crep.buffer_size = srf->res.backup->base.num_pages * PAGE_SIZE; |
| |
| out_bad_resource: |
| ttm_base_object_unref(&base); |
| |
| return ret; |
| } |