aboutsummaryrefslogtreecommitdiffstats
path: root/include/drm
diff options
context:
space:
mode:
authorChristian König <christian.koenig@amd.com>2018-02-20 15:35:21 +0100
committerAlex Deucher <alexander.deucher@amd.com>2018-03-14 14:38:27 -0500
commit5d95109815493e273a2ef9010df0939aa3cfe10f (patch)
tree69dbd8e553135d0d6b6c7868d16d42238d65bbe4 /include/drm
parentdrm/amdgpu: refactoring mailbox to fix TDR handshake bugs(v2) (diff)
downloadlinux-dev-5d95109815493e273a2ef9010df0939aa3cfe10f.tar.xz
linux-dev-5d95109815493e273a2ef9010df0939aa3cfe10f.zip
drm/ttm: add ttm_bo_pipeline_gutting
Allows us to gut a BO of it's backing store when the driver says that it isn't needed any more. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Roger He <Hongbo.He@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/ttm/ttm_bo_driver.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index f8e2515b401f..39cd6b086d3a 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -850,6 +850,15 @@ int ttm_bo_pipeline_move(struct ttm_buffer_object *bo,
struct ttm_mem_reg *new_mem);
/**
+ * ttm_bo_pipeline_gutting.
+ *
+ * @bo: A pointer to a struct ttm_buffer_object.
+ *
+ * Pipelined gutting a BO of it's backing store.
+ */
+int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo);
+
+/**
* ttm_io_prot
*
* @c_state: Caching state.