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authorVille Syrjälä2018-06-11 21:34:02 +0200
committerVille Syrjälä2018-06-15 22:31:07 +0200
commit6ab0edf4e79c42e3dc9c47e060a68d337af51be0 (patch)
tree9b7d20d9499a18456281cf1fb5f7628ab74f717e /drivers/gpu/drm/drm_crtc.c
parentdrm/atomic: Improve debug messages (diff)
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drm: Print bad user modes
Print out the modeline when we reject a bad user mode. Avoids having to guess why it was rejected. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180611193403.16118-2-ville.syrjala@linux.intel.com Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
-rw-r--r--drivers/gpu/drm/drm_crtc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 53828fc8d911..163d82ac7d76 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -649,7 +649,9 @@ retry:
ret = drm_mode_convert_umode(dev, mode, &crtc_req->mode);
if (ret) {
- DRM_DEBUG_KMS("Invalid mode\n");
+ DRM_DEBUG_KMS("Invalid mode (ret=%d, status=%s)\n",
+ ret, drm_get_mode_status_name(mode->status));
+ drm_mode_debug_printmodeline(mode);
goto out;
}