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authorChristian König <christian.koenig@amd.com>2022-05-06 14:08:34 +0300
committerAlex Deucher <alexander.deucher@amd.com>2022-05-26 21:56:34 +0300
commitfab2cc8335839867a3db38f195441b9c7c6460f6 (patch)
tree3bc3f3f64e986239eca0f5539a287b8e45777aa9 /include/uapi
parent62e9bd20035b53ff6c679499c08546d96c6c60a7 (diff)
downloadlinux-fab2cc8335839867a3db38f195441b9c7c6460f6.tar.xz
drm/amdgpu: add AMDGPU_GEM_CREATE_DISCARDABLE
Add a AMDGPU_GEM_CREATE_DISCARDABLE flag to note that the content of a BO doesn't needs to be preserved during eviction. KFD was already using a similar functionality for SVM BOs so replace the internal flag with the new UAPI. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Marek Olšák <marek.olsak@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/drm/amdgpu_drm.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index d9d475d65c76..a81bef5cfeaa 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -140,6 +140,10 @@ extern "C" {
* not require GTT memory accounting
*/
#define AMDGPU_GEM_CREATE_PREEMPTIBLE (1 << 11)
+/* Flag that BO can be discarded under memory pressure without keeping the
+ * content.
+ */
+#define AMDGPU_GEM_CREATE_DISCARDABLE (1 << 12)
struct drm_amdgpu_gem_create_in {
/** the requested memory size */