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(parent: c7c6562) | patch
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)
commit2adb6db8d9fb0f94173a4cba6e1dcb8585f1a928
tree286cd836579b7580afa97bf20b6b403d10f69b27tree | snapshot
parentc7c656226842679bcd9f39dc24441b4ff398a850commit | diff
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 diff | blob | history
Domain: System / Kernel;