From 9f921b147b5e0b049b8de3f17960beef64c111e9 Mon Sep 17 00:00:00 2001 From: Harry Wentland Date: Mon, 18 Dec 2017 11:55:48 -0500 Subject: [PATCH] drm/amd/display: Debug-print reason for mode validation failure Signed-off-by: Harry Wentland Reviewed-by: Tony Cheng Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- 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 a7d8634d2df3..29bab3e5decd 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -2839,10 +2839,11 @@ 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); -- 2.25.1