]> git.baikalelectronics.ru Git - kernel.git/commit
drm/i915: Use RMW to update chicken bits in gen7_enable_fbc()
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Wed, 5 Mar 2014 11:05:46 +0000 (13:05 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 5 Mar 2014 20:30:43 +0000 (21:30 +0100)
commit9996a8d0e366ae69fe2f61d7714a0c88e3f7ab49
tree286cd836579b7580afa97bf20b6b403d10f69b27
parentc8dbf085dc1f599c93406b5417010f22b27e2b72
drm/i915: Use RMW to update chicken bits in gen7_enable_fbc()

gen7_enable_fbc() may write to some registers which we've already
touched, so use RMW so that we don't undo any previous updates.

Also note that we implemnt WaFbcAsynchFlipDisableFbcQueue:bdw.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_pm.c