[PATCH 20/26] drm/amd/display: Debug-print reason for mode validation failure

[Harry Wentland]

Signed-off-by: Harry Wentland <harry.wentland at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Acked-by: Harry Wentland <harry.wentland at amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 +++--
 1 file changed, 3 insertions(+), 2 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 5590ef80e644..1e93697be351 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2870,10 +2870,11 @@ int amdgpu_dm_connector_mode_valid(struct drm_connector *connector,
 	if (dc_result == DC_OK)
 		result = MODE_OK;
 	else
-		DRM_DEBUG_KMS("Mode %dx%d (clk %d) failed DC validation\n",
+		DRM_DEBUG_KMS("Mode %dx%d (clk %d) failed DC validation with error %d\n",
 			      mode->vdisplay,
 			      mode->hdisplay,
-			      mode->clock);
+			      mode->clock,
+			      dc_result);
 
 	dc_stream_release(stream);
 
-- 
2.14.1