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 | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_surface.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_validation.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_validation.h | 2 |
7 files changed, 21 insertions, 12 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 81a95651643f..e962048f65d2 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -576,8 +576,7 @@ static int vmw_dma_select_mode(struct vmw_private *dev_priv) else dev_priv->map_mode = vmw_dma_map_populate; - /* No TTM coherent page pool? FIXME: Ask TTM instead! */ - if (!(IS_ENABLED(CONFIG_SWIOTLB) || IS_ENABLED(CONFIG_INTEL_IOMMU)) && + if (!IS_ENABLED(CONFIG_DRM_TTM_DMA_PAGE_POOL) && (dev_priv->map_mode == vmw_dma_alloc_coherent)) return -EINVAL; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 29f60e027a38..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 */ 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_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c index 29d8794f0421..de0530b4dc1b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c @@ -336,7 +336,6 @@ 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) { @@ -360,7 +359,6 @@ 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); } 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); } /** |