diff options
Diffstat (limited to 'linux-core/drm_bo.c')
| -rw-r--r-- | linux-core/drm_bo.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c index 30656060..55901660 100644 --- a/linux-core/drm_bo.c +++ b/linux-core/drm_bo.c @@ -214,7 +214,8 @@ static void drm_bo_base_deref_locked(drm_file_t *priv, drm_user_object_t *uo) } -static int drm_bo_new_flags(uint32_t flags, uint32_t new_mask, uint32_t hint, +static int drm_bo_new_flags(drm_bo_driver_t *driver, + uint32_t flags, uint32_t new_mask, uint32_t hint, int init, uint32_t *n_flags) { uint32_t new_flags; @@ -263,6 +264,24 @@ static int drm_bo_new_flags(uint32_t flags, uint32_t new_mask, uint32_t hint, } new_flags |= new_mask & ~DRM_BO_MASK_MEM; + + if (hint & DRM_BO_HINT_BIND_CACHED) { + new_flags |= DRM_BO_FLAG_CACHED; + if (((new_flags & DRM_BO_FLAG_MEM_TT) && !driver->cached_tt) || + ((new_flags & DRM_BO_FLAG_MEM_VRAM) && !driver->cached_vram)) + new_flags &= ~DRM_BO_FLAG_CACHED; + } + + if ((new_flags & DRM_BO_FLAG_NO_EVICT) && + ((flags ^ new_flags) & DRM_BO_FLAG_CACHED)) { + if (flags & DRM_BO_FLAG_CACHED) { + DRM_ERROR("Cannot change caching policy of pinned buffer\n"); + return -EINVAL; + } else { + new_flags &= ~DRM_BO_FLAG_CACHED; + } + } + *n_flags = new_flags; return 0; } @@ -531,11 +550,12 @@ static int drm_buffer_object_validate(drm_device_t *dev, drm_buffer_object_t *bo return 0; } + /* * Call bo->mutex locked. */ -static int drm_bo_add_ttm(drm_file_t *priv, drm_buffer_object_t *bo, uint32_t new_flags, +static int drm_bo_add_ttm(drm_file_t *priv, drm_buffer_object_t *bo, uint32_t hint, uint32_t ttm_handle) { @@ -578,7 +598,7 @@ static int drm_bo_add_ttm(drm_file_t *priv, drm_buffer_object_t *bo, uint32_t ne ttm = drm_ttm_from_object(to); ret = drm_create_ttm_region(ttm, bo->buffer_start >> PAGE_SHIFT, bo->num_pages, - new_flags & DRM_BO_FLAG_CACHED, + hint & DRM_BO_HINT_BIND_CACHED, &bo->ttm_region); if (ret) { drm_ttm_object_deref_unlocked(dev, to); @@ -631,6 +651,10 @@ int drm_buffer_object_create(drm_file_t *priv, bo->num_pages = num_pages; bo->buffer_start = buffer_start; + ret = drm_bo_new_flags(dev->driver->bo_driver, bo->flags, mask, hint, + 1, &new_flags); + if (ret) + goto out_err; ret = drm_bo_add_ttm(priv, bo, new_flags, ttm_handle); if (ret) goto out_err; |