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drm/amd/display: Debug-print reason for mode validation failure

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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>
This commit is contained in:
Harry Wentland 2017-12-18 11:55:48 -05:00 committed by Alex Deucher
parent f2c7c55b0e
commit 9f921b147b
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@ -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);