[PATCH 01/21] drm/amd/display: assign edid_blob_ptr with edid from debugfs

[Rodrigo Siqueira]

From: Hersen Wu <hersenxs.wu at amd.com>

[Why] implementation change of drm_edid_override_set since linux
kernel 6.1, edid from debugfs is saved into connector->edid_override
immediatey, not saved to connector->edid_blob_ptr at the same time.

[How] call new drm_edid function drm_connector_update_edid_property
to assign connector->edid_blob_ptr with override edid from debugfs.

Reviewed-by: Chao-kai Wang <Stylon.Wang at amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
Signed-off-by: Hersen Wu <hersenxs.wu at amd.com>
---
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c   | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 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 76a776fd8437..e1565126ad2a 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -6372,11 +6372,20 @@ static void create_eml_sink(struct amdgpu_dm_connector *aconnector)
 	struct edid *edid;
 
 	if (!aconnector->base.edid_blob_ptr) {
-		DRM_ERROR("No EDID firmware found on connector: %s ,forcing to OFF!\n",
-				aconnector->base.name);
+		/* if connector->edid_override valid, pass
+		 * it to edid_override to edid_blob_ptr
+		 */
+		int count;
 
-		aconnector->base.force = DRM_FORCE_OFF;
-		return;
+		count = drm_edid_override_connector_update(&aconnector->base);
+
+		if (!aconnector->base.edid_blob_ptr) {
+			DRM_ERROR("No EDID firmware found on connector: %s ,forcing to OFF!\n",
+					aconnector->base.name);
+
+			aconnector->base.force = DRM_FORCE_OFF;
+			return;
+		}
 	}
 
 	edid = (struct edid *) aconnector->base.edid_blob_ptr->data;
-- 
2.39.2