drm/i915/kbl: Add WaDisableDynamicCreditSharing
authorMika Kuoppala <mika.kuoppala@linux.intel.com>
Tue, 7 Jun 2016 14:19:06 +0000 (17:19 +0300)
committerMika Kuoppala <mika.kuoppala@intel.com>
Wed, 8 Jun 2016 13:24:34 +0000 (16:24 +0300)
commitc0b730d572ea00d427f6112b17982c6b9d5e97bb
tree6bb2c700271fc4daca541d637112f325885e20f7
parent8aeb7f624fbf8a68a9c67f831d4158a0f80ea920
drm/i915/kbl: Add WaDisableDynamicCreditSharing

Bspec states that we need to turn off dynamic credit
sharing on kbl revid a0 and b0. This happens by writing bit 28
on 0x4ab8.

References: HSD#2225601, HSD#2226938, HSD#2225763
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-15-git-send-email-mika.kuoppala@intel.com
drivers/gpu/drm/i915/i915_reg.h
drivers/gpu/drm/i915/intel_ringbuffer.c