drm/i915: Check for underruns after crtc disable
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Fri, 20 Nov 2015 20:09:20 +0000 (22:09 +0200)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Tue, 24 Nov 2015 14:22:39 +0000 (16:22 +0200)
commit9bbc8258ae5914af1986561767d971417cee7a28
treec67967f95d85f3f2b3fbd6baa07cd3dc930468c8
parent7864578a70ac8af640b02d2caf3555aba9048f6f
drm/i915: Check for underruns after crtc disable

To get a better idea if underruns occurred during crtc disabling,
let's check for them explicitly. This helps in cases where the
error interrupt isn't active, or there is no underrun interrupt
support at all.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1448050160-14124-3-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_display.c