drm/i915: Fail if we can't get a fence for gen2/3 tiled scanout
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Wed, 21 Feb 2018 16:02:30 +0000 (18:02 +0200)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Thu, 22 Feb 2018 15:39:38 +0000 (17:39 +0200)
commit85798ac9b35f8cc7608a4a798d0b0626f0d54d61
tree42d9fa886799f9cbdcd4934dcfbfa7e7a49b2528
parentdb9c06dfff43b2a040ba2b4f2300c30e454dd930
drm/i915: Fail if we can't get a fence for gen2/3 tiled scanout

Gen2/3 display engine depends on the fence for tiled scanout. So if we
fail to get a fence fail the entire operation.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180221160235.11134-2-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
drivers/gpu/drm/i915/intel_display.c