From 908a28be092e425967099a2488ead7fc80572989 Mon Sep 17 00:00:00 2001
From: Xiaojie Yuan <xiaojie.yuan@amd.com>
Date: Fri, 22 Nov 2019 14:21:15 -0500
Subject: drm/amdgpu/gfx10: fix out-of-bound mqd_backup array access
Git-commit: 908a28be092e425967099a2488ead7fc80572989
Patch-mainline: v5.5-rc1
References: bsc#1152472
Fixes: 0900a9efdb7909 ("drm/amdgpu/gfx10: fix mqd backup/restore for gfx rings (v2)")
Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
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 f063a5c7bd8e..e00b46180d2e 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 - 1]);
kfree(adev->gfx.mec.mqd_backup[AMDGPU_MAX_COMPUTE_RINGS]);
amdgpu_bo_free_kernel(&ring->mqd_obj,
&ring->mqd_gpu_addr,
--
2.28.0