drm/i915: disable FBC when more than one pipe is active
authorJesse Barnes <jbarnes@virtuousgeek.org>
Fri, 23 Jul 2010 22:20:00 +0000 (15:20 -0700)
committerEric Anholt <eric@anholt.net>
Mon, 26 Jul 2010 18:27:06 +0000 (11:27 -0700)
commit9c928d168d4030a230a7a5ee1764721d173f1153
tree3d41bcee055ef9eec9e74eb98c4ac67cdcaba927
parent127bd2ac91c3ecf42890ac320f4c65346d110e78
drm/i915: disable FBC when more than one pipe is active

We're really supposed to do this to avoid trouble with underflows when
multiple planes are active.

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=26987.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: fangxun <xunx.fang@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
drivers/gpu/drm/i915/i915_debugfs.c
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/intel_display.c