clear-pkgs-linux-iot-lts2018/0661-drm-i915-gvt-correct-mask-setting-for-CSFE_CHICKEN1.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Xinyun Liu <xinyun.liu@intel.com>
Date: Wed, 19 Sep 2018 15:28:53 +0800
Subject: [PATCH] drm/i915/gvt: correct mask setting for CSFE_CHICKEN1

CSFE_CHICKEN1(0x20d4) needs access with mask. This is caught in AcrnGT
conformance check test:

[drm:intel_gvt_vgpu_conformance_check]
	*ERROR* gvt: vgpu1 unconformance mmio 0x20d4:0x40004,0x4

Tracked-On: projectacrn/acrn-hypervisor#1459
Signed-off-by: Xinyun Liu <xinyun.liu@intel.com>
---
 drivers/gpu/drm/i915/gvt/mmio_context.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.c b/drivers/gpu/drm/i915/gvt/mmio_context.c
index e6c592f44..dc0a14729 100644
--- a/drivers/gpu/drm/i915/gvt/mmio_context.c
+++ b/drivers/gpu/drm/i915/gvt/mmio_context.c
@@ -144,7 +144,7 @@ static struct engine_mmio gen9_engine_mmio_list[] __cacheline_aligned = {
 	{RCS, GAMT_CHKN_BIT_REG, 0x0, false}, /* 0x4ab8 */
 
 	{RCS, GEN9_GAMT_ECO_REG_RW_IA, 0x0, false}, /* 0x4ab0 */
-	{RCS, GEN9_CSFE_CHICKEN1_RCS, 0x0, false}, /* 0x20d4 */
+	{RCS, GEN9_CSFE_CHICKEN1_RCS, 0xffff, false}, /* 0x20d4 */
 
 	{RCS, GEN8_GARBCNTL, 0x0, false}, /* 0xb004 */
 	{RCS, GEN7_FF_THREAD_MODE, 0x0, false}, /* 0x20a0 */
-- 
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