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drm/i915/gvt: add 0xe4f0 into gen9 render list

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Guest may set this register on KBL platform, it can impact hardware
behavior, so add it into the gen9 render list. Otherwise gpu hang issue may
happen during different vgpu switch.

v2: separate it from patch set.

Cc: Zhi Wang <zhi.a.wang@intel.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Weinan Li <weinan.z.li@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Weinan Li 2018-02-09 16:01:34 +08:00 committed by Zhenyu Wang
parent 4b8b41d15d
commit 37ad4e6878
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/i915/gvt/mmio_context.c
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@ -118,6 +118,7 @@ static struct engine_mmio gen9_engine_mmio_list[] __cacheline_aligned = {
{RCS, HALF_SLICE_CHICKEN3, 0xffff, true}, /* 0xe184 */
{RCS, GEN9_HALF_SLICE_CHICKEN5, 0xffff, true}, /* 0xe188 */
{RCS, GEN9_HALF_SLICE_CHICKEN7, 0xffff, true}, /* 0xe194 */
{RCS, GEN8_ROW_CHICKEN, 0xffff, true}, /* 0xe4f0 */
{RCS, TRVATTL3PTRDW(0), 0, false}, /* 0x4de0 */
{RCS, TRVATTL3PTRDW(1), 0, false}, /* 0x4de4 */
{RCS, TRNULLDETCT, 0, false}, /* 0x4de8 */