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From 7153e63d7ffdfb0744be30582929e786b0260dee Mon Sep 17 00:00:00 2001
From: Harry Wentland <harry.wentland@amd.com>
Date: Mon, 18 Dec 2017 11:55:48 -0500
Subject: [PATCH 3110/4131] drm/amd/display: Debug-print reason for mode
validation failure
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>
---
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 d75f0d9..73e7d2d 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3145,10 +3145,11 @@ 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);
--
2.7.4
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