clear-pkgs-linux-iot-lts2018/1269-drm-i915-gvt-enable-en...

33 lines
1.1 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Liu Xinyun <xinyun.liu@intel.com>
Date: Thu, 9 Apr 2020 17:47:42 +0800
Subject: [PATCH] drm/i915/gvt: enable enable_context_restore as default
When there is a windows OS as the UOS, it's mandantory to save/restore
H/W ring context when do context switch. Otherwise there will be
uncertain issues caused by inconsistent H/W ring status.
Tracked-On: projectacrn/acrn-hypervisor#4557
Signed-off-by: Liu Xinyun <xinyun.liu@intel.com>
---
drivers/gpu/drm/i915/i915_params.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h
index aea88126fbcb..a2cb95deeab3 100644
--- a/drivers/gpu/drm/i915/i915_params.h
+++ b/drivers/gpu/drm/i915/i915_params.h
@@ -78,7 +78,7 @@ struct drm_printer;
param(int, gvt_workload_priority, 0) \
param(bool, enable_initial_modeset, false) \
param(bool, enable_gvt, false) \
- param(bool, enable_context_restore, false) \
+ param(bool, enable_context_restore, true) \
param(bool, enable_hp_work, false)
#define MEMBER(T, member, ...) T member;
--
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