drm: Warn about negative sizes when calculating scale factor
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Tue, 26 Jul 2016 16:06:56 +0000 (19:06 +0300)
committerSean Paul <seanpaul@chromium.org>
Mon, 8 Aug 2016 18:17:56 +0000 (14:17 -0400)
commit1e1a5f8f8c3a4b24b3fc0340880cf1e3949f4997
tree70cee84ece12318cb3d50c69a490925c7da115c8
parent31ad61e4afa53a7b2e364f7c021546fbc6ce0d85
drm: Warn about negative sizes when calculating scale factor

Passing negative width/hight to scale factor calculations is not
legal. Let's WARN if that happens.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1469549224-1860-2-git-send-email-ville.syrjala@linux.intel.com
drivers/gpu/drm/drm_rect.c