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path: root/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 78a05bd5c2f7..a8a43122ff34 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -5235,6 +5235,10 @@ static inline void fill_dc_dirty_rect(struct drm_plane *plane,
* @new_plane_state: New state of @plane
* @crtc_state: New state of CRTC connected to the @plane
* @flip_addrs: DC flip tracking struct, which also tracts dirty rects
+ * @is_psr_su: Flag indicating whether Panel Self Refresh Selective Update (PSR SU) is enabled.
+ * If PSR SU is enabled and damage clips are available, only the regions of the screen
+ * that have changed will be updated. If PSR SU is not enabled,
+ * or if damage clips are not available, the entire screen will be updated.
* @dirty_regions_changed: dirty regions changed
*
* For PSR SU, DC informs the DMUB uController of dirty rectangle regions