diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_binding.c')
-rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_binding.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_binding.c b/drivers/gpu/drm/vmwgfx/vmwgfx_binding.c index 0b9ee7fb45d6..ef1469c4e91f 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_binding.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_binding.c @@ -1269,6 +1269,32 @@ void vmw_binding_state_reset(struct vmw_ctx_binding_state *cbs) vmw_binding_drop(entry); } +/** + * vmw_binding_dirtying - Return whether a binding type is dirtying its resource + * @binding_type: The binding type + * + * Each time a resource is put on the validation list as the result of a + * context binding referencing it, we need to determine whether that resource + * will be dirtied (written to by the GPU) as a result of the corresponding + * GPU operation. Currently rendertarget-, depth-stencil-, and + * stream-output-target bindings are capable of dirtying its resource. + * + * Return: Whether the binding type dirties the resource its binding points to. + */ +u32 vmw_binding_dirtying(enum vmw_ctx_binding_type binding_type) +{ + static u32 is_binding_dirtying[vmw_ctx_binding_max] = { + [vmw_ctx_binding_rt] = VMW_RES_DIRTY_SET, + [vmw_ctx_binding_dx_rt] = VMW_RES_DIRTY_SET, + [vmw_ctx_binding_ds] = VMW_RES_DIRTY_SET, + [vmw_ctx_binding_so] = VMW_RES_DIRTY_SET, + }; + + /* Review this function as new bindings are added. */ + BUILD_BUG_ON(vmw_ctx_binding_max != 11); + return is_binding_dirtying[binding_type]; +} + /* * This function is unused at run-time, and only used to hold various build * asserts important for code optimization assumptions. |