drm/i915: Disable RCS flips on Ivybridge
authorChris Wilson <chris@chris-wilson.co.uk>
Tue, 8 Jul 2014 09:40:29 +0000 (10:40 +0100)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Tue, 8 Jul 2014 11:16:02 +0000 (13:16 +0200)
commit2a92d5bca1999b69c78f3c3e97b5484985b094b9
tree0afe31db419c90e6222dfa979dc56dd3d457d863
parent78382593e921c88371abd019aca8978db3248a8f
drm/i915: Disable RCS flips on Ivybridge

We currently see random GPU hangs when using RCS flips with multiple
pipes on Ivybridge. Now that we have mmio flips, we can fairly cheaply
fallback to using CPU driven flips instead.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=77104
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_display.c