drm/i915/skl: Add GEN8_L3SQCREG4 to HW whitelist
authorArun Siluvery <arun.siluvery@linux.intel.com>
Thu, 21 Jan 2016 21:43:52 +0000 (21:43 +0000)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Mon, 25 Jan 2016 15:48:43 +0000 (16:48 +0100)
commit6107497eee9f0f9de6f2aa8708db20842637d472
tree665d2beb42827812c40037de43db56bdf1ab75d5
parenta786d53a2cf14f2c7abb6731f530aef1a8a1086a
drm/i915/skl: Add GEN8_L3SQCREG4 to HW whitelist

Required for WaDisableLSQCROPERFforOCL:skl

This register is added to HW whitelist to support WA required for future
enabling of pre-emptive command execution, WA implementation will be in
userspace and it cannot program this register if it is not on HW whitelist.

v2: explain purpose of changes (Chris)

Reviewed-by: Nick Hoath <nicholas.hoath@intel.com>
Signed-off-by: Arun Siluvery <arun.siluvery@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1453412634-29238-7-git-send-email-arun.siluvery@linux.intel.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_ringbuffer.c