diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | 17 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_validation.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_validation.h | 2 |
6 files changed, 26 insertions, 8 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c index aad8d8140259..74016a08d118 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c @@ -566,7 +566,7 @@ static void vmw_user_bo_ref_obj_release(struct ttm_base_object *base, switch (ref_type) { case TTM_REF_SYNCCPU_WRITE: - ttm_bo_synccpu_write_release(&user_bo->vbo.base); + atomic_dec(&user_bo->vbo.cpu_writers); break; default: WARN_ONCE(true, "Undefined buffer object reference release.\n"); @@ -682,12 +682,12 @@ static int vmw_user_bo_synccpu_grab(struct vmw_user_buffer_object *user_bo, struct ttm_object_file *tfile, uint32_t flags) { + bool nonblock = !!(flags & drm_vmw_synccpu_dontblock); struct ttm_buffer_object *bo = &user_bo->vbo.base; bool existed; int ret; if (flags & drm_vmw_synccpu_allow_cs) { - bool nonblock = !!(flags & drm_vmw_synccpu_dontblock); long lret; lret = dma_resv_wait_timeout_rcu @@ -700,15 +700,22 @@ static int vmw_user_bo_synccpu_grab(struct vmw_user_buffer_object *user_bo, return 0; } - ret = ttm_bo_synccpu_write_grab - (bo, !!(flags & drm_vmw_synccpu_dontblock)); + ret = ttm_bo_reserve(bo, true, nonblock, NULL); + if (unlikely(ret != 0)) + return ret; + + ret = ttm_bo_wait(bo, true, nonblock); + if (likely(ret == 0)) + atomic_inc(&user_bo->vbo.cpu_writers); + + ttm_bo_unreserve(bo); if (unlikely(ret != 0)) return ret; ret = ttm_ref_object_add(tfile, &user_bo->prime.base, TTM_REF_SYNCCPU_WRITE, &existed, false); if (ret != 0 || existed) - ttm_bo_synccpu_write_release(&user_bo->vbo.base); + atomic_dec(&user_bo->vbo.cpu_writers); return ret; } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index b38bcb032c99..81a95651643f 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -827,9 +827,13 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) goto out_no_fman; } + drm_vma_offset_manager_init(&dev_priv->vma_manager, + DRM_FILE_PAGE_OFFSET_START, + DRM_FILE_PAGE_OFFSET_SIZE); ret = ttm_bo_device_init(&dev_priv->bdev, &vmw_bo_driver, dev->anon_inode->i_mapping, + &dev_priv->vma_manager, false); if (unlikely(ret != 0)) { DRM_ERROR("Failed initializing TTM buffer object driver.\n"); @@ -986,6 +990,7 @@ static void vmw_driver_unload(struct drm_device *dev) if (dev_priv->has_mob) (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB); (void) ttm_bo_device_release(&dev_priv->bdev); + drm_vma_offset_manager_destroy(&dev_priv->vma_manager); vmw_release_device_late(dev_priv); vmw_fence_manager_takedown(dev_priv->fman); if (dev_priv->capabilities & SVGA_CAP_IRQMASK) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 5eb73ded8e07..b18842f73081 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -102,6 +102,8 @@ struct vmw_fpriv { * @base: The TTM buffer object * @res_list: List of resources using this buffer object as a backing MOB * @pin_count: pin depth + * @cpu_writers: Number of synccpu write grabs. Protected by reservation when + * increased. May be decreased without reservation. * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB * @map: Kmap object for semi-persistent mappings * @res_prios: Eviction priority counts for attached resources @@ -110,6 +112,7 @@ struct vmw_buffer_object { struct ttm_buffer_object base; struct list_head res_list; s32 pin_count; + atomic_t cpu_writers; /* Not ref-counted. Protected by binding_mutex */ struct vmw_resource *dx_query_ctx; /* Protected by reservation */ @@ -438,6 +441,7 @@ struct vmw_private { struct vmw_fifo_state fifo; struct drm_device *dev; + struct drm_vma_offset_manager vma_manager; unsigned long vmw_chipset; unsigned int io_start; uint32_t vram_start; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index 5581a7826b4c..6dfe36fb817c 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -492,8 +492,7 @@ vmw_resource_check_buffer(struct ww_acquire_ctx *ticket, val_buf->bo = &res->backup->base; val_buf->num_shared = 0; list_add_tail(&val_buf->head, &val_list); - ret = ttm_eu_reserve_buffers(ticket, &val_list, interruptible, NULL, - true); + ret = ttm_eu_reserve_buffers(ticket, &val_list, interruptible, NULL); if (unlikely(ret != 0)) goto out_no_reserve; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c index f611b2290a1b..7bff3628fc54 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c @@ -521,6 +521,9 @@ int vmw_validation_bo_validate_single(struct ttm_buffer_object *bo, }; int ret; + if (atomic_read(&vbo->cpu_writers)) + return -EBUSY; + if (vbo->pin_count > 0) return 0; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.h b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.h index 0e063743dd86..71ce4b318850 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.h @@ -170,7 +170,7 @@ vmw_validation_bo_reserve(struct vmw_validation_context *ctx, bool intr) { return ttm_eu_reserve_buffers(&ctx->ticket, &ctx->bo_list, intr, - NULL, true); + NULL); } /** |