From: Harry Wentland <harry.wentland@amd.com>
Date: Mon, 18 Dec 2017 11:55:48 -0500
Subject: drm/amd/display: Debug-print reason for mode validation failure
Git-commit: 9f921b147b5e0b049b8de3f17960beef64c111e9
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2865,10 +2865,11 @@ int amdgpu_dm_connector_mode_valid(struc
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);