[PATCH v2 2/2] drm: add debug logs for drm_mode_atomic_ioctl errors

[Sam Ravnborg]

On Wed, Nov 11, 2020 at 09:07:39AM +0000, Simon Ser wrote:
> Be nice to user-space and log what happened when returning EINVAL in
> drm_mode_atomic_ioctl.
> 
> v2:
> 
> - Migrate to drm_dbg_atomic (Sam)
> - Add debug log for arg->reserved (Ville)
> - Drop redundant "atomic" word in log messages (Ville)
> 
> Signed-off-by: Simon Ser <contact at emersion.fr>
> Cc: Daniel Vetter <daniel at ffwll.ch>
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Cc: Maxime Ripard <mripard at kernel.org>
> Cc: Thomas Zimmermann <tzimmermann at suse.de>
> Cc: Sam Ravnborg <sam at ravnborg.org>
> Cc: Ville Syrjala <ville.syrjala at linux.intel.com>
Reviewed-by: Sam Ravnborg <sam at ravnborg.org>