[PATCH V10 24/46] drm/amd/display: Add bypass COLOR PIPELINE

Alex Hung alex.hung at amd.com
Tue Jun 17 04:17:06 UTC 2025


From: Harry Wentland <harry.wentland at amd.com>

Add the default Bypass pipeline and ensure it passes the
kms_colorop test plane-XR30-XR30-bypass.

Signed-off-by: Alex Hung <alex.hung at amd.com>
Signed-off-by: Harry Wentland <harry.wentland at amd.com>
Reviewed-by: Daniel Stone <daniels at collabora.com>
---
v10:
 - guard "dm_plane_init_colorops" function when !AMD_PRIVATE_COLOR (Melissa Wen)

 .../amd/display/amdgpu_dm/amdgpu_dm_plane.c   | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
index b7c6e8d13435..580af6e85c81 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
@@ -1782,6 +1782,21 @@ dm_atomic_plane_get_property(struct drm_plane *plane,
 
 	return 0;
 }
+#else
+
+#define MAX_COLOR_PIPELINES 5
+
+static int
+dm_plane_init_colorops(struct drm_plane *plane)
+{
+	struct drm_prop_enum_list pipelines[MAX_COLOR_PIPELINES];
+	int len = 0;
+
+	/* Create COLOR_PIPELINE property and attach */
+	drm_plane_create_color_pipeline_property(plane, pipelines, len);
+
+	return 0;
+}
 #endif
 
 static const struct drm_plane_funcs dm_plane_funcs = {
@@ -1890,7 +1905,12 @@ int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
 
 #ifdef AMD_PRIVATE_COLOR
 	dm_atomic_plane_attach_color_mgmt_properties(dm, plane);
+#else
+	res = dm_plane_init_colorops(plane);
+	if (res)
+		return res;
 #endif
+
 	/* Create (reset) the plane state */
 	if (plane->funcs->reset)
 		plane->funcs->reset(plane);
-- 
2.43.0



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