drm/i915/gen9: Add WaInPlaceDecompressionHang
authorMika Kuoppala <mika.kuoppala@linux.intel.com>
Wed, 20 Jul 2016 11:26:12 +0000 (14:26 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Mon, 25 Jul 2016 06:28:50 +0000 (08:28 +0200)
commitf15f6ca1e706e11fd07611bd4c7f903625349b33
tree22e3270af2ed5ea088f8531262db3abefd7bacd7
parentc5f87f02f4e8a6fd83d34bd47e1c87f55e6d4afa
drm/i915/gen9: Add WaInPlaceDecompressionHang

Add this workaround to prevent hang when in place compression
is used.

References: HSD#2135774
Cc: stable@vger.kernel.org
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Arun Siluvery <arun.siluvery@linux.intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
(cherry picked from commit 4ba9c1f7c7b8ca8c1d77f65d408e589dc87b9a2d)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/i915_reg.h
drivers/gpu/drm/i915/intel_ringbuffer.c