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From 1a16172d56c6074979ca02624d4be10bf2089202 Mon Sep 17 00:00:00 2001
From: Xiaojie Yuan <xiaojie.yuan@amd.com>
Date: Wed, 20 Nov 2019 14:38:00 +0800
Subject: [PATCH 4558/4736] drm/amdgpu/gfx10: fix out-of-bound mqd_backup array
access
Fixes: 4990f957c845 ("drm/amdgpu/gfx10: fix mqd backup/restore for gfx rings")
Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index a492174ef29b..52c27e49bc7b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -454,8 +454,6 @@ void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev)
}
ring = &adev->gfx.kiq.ring;
- if (adev->asic_type >= CHIP_NAVI10 && amdgpu_async_gfx_ring)
- kfree(adev->gfx.me.mqd_backup[AMDGPU_MAX_GFX_RINGS]);
kfree(adev->gfx.mec.mqd_backup[AMDGPU_MAX_COMPUTE_RINGS]);
amdgpu_bo_free_kernel(&ring->mqd_obj,
&ring->mqd_gpu_addr,
--
2.17.1
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