From: Ville Syrjälä <ville.syrj...@linux.intel.com>
WARN if the incoming drm_display_mode has an illegal aspect ratio
when converting it to a user mode. This should never happen unless
the driver made a mistake and put an invalid value into the aspect
ratio.
Cc: Ilia Mirkin <imir...@alum.mit.edu>
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/drm_modes.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 847048dee048..be2ccd8eccfd 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -1906,8 +1906,11 @@ void drm_mode_convert_to_umode(struct drm_mode_modeinfo
*out,
case HDMI_PICTURE_ASPECT_256_135:
out->flags |= DRM_MODE_FLAG_PIC_AR_256_135;
break;
- case HDMI_PICTURE_ASPECT_RESERVED:
default:
+ WARN(1, "Invalid aspect ratio (0%x) on mode\n",
+ in->picture_aspect_ratio);
+ /* fall through */
+ case HDMI_PICTURE_ASPECT_NONE:
out->flags |= DRM_MODE_FLAG_PIC_AR_NONE;
break;
}
--
2.21.0
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