37 lines
1.3 KiB
Diff
37 lines
1.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Min He <min.he@intel.com>
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Date: Fri, 14 Sep 2018 16:10:18 +0800
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Subject: [PATCH] drm/i915/gvt: avoid unncessary reset in GVT-g guest
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When i915 boots up, it will trigger a reset, but it's unnecessary
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in GVT-g environment, so remove this reset which can reduce guest
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boot time.
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Change-Id: Id8c120c3229118af3c41fb1ef4ddbfbf71cb69fe
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Signed-off-by: Min He <min.he@intel.com>
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Reviewed-on:
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Reviewed-by: Jiang, Fei <fei.jiang@intel.com>
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Reviewed-by: Dong, Eddie <eddie.dong@intel.com>
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Tested-by: Dong, Eddie <eddie.dong@intel.com>
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---
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drivers/gpu/drm/i915/i915_gem.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
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index 03cda19..12dd124 100644
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--- a/drivers/gpu/drm/i915/i915_gem.c
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+++ b/drivers/gpu/drm/i915/i915_gem.c
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@@ -5030,7 +5030,8 @@ void i915_gem_sanitize(struct drm_i915_private *i915)
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* of the reset, so this could be applied to even earlier gen.
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*/
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err = -ENODEV;
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- if (INTEL_GEN(i915) >= 5 && intel_has_gpu_reset(i915))
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+ if (INTEL_GEN(i915) >= 5 && intel_has_gpu_reset(i915) &&
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+ !intel_vgpu_active(i915))
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err = WARN_ON(intel_gpu_reset(i915, ALL_ENGINES));
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if (!err)
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intel_engines_sanitize(i915);
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--
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2.21.0
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