summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
diff options
context:
space:
mode:
authorTim Huang <Tim.Huang@amd.com>2023-11-21 06:06:51 +0300
committerAlex Deucher <alexander.deucher@amd.com>2023-11-30 00:49:00 +0300
commit88f4b10a793262c4d6cf2566b1d210ec76f87867 (patch)
treefdb45226ef9bf5e2eb3224f5ac0714796de065ae /drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
parentee95135bfeecf67b313b5573054b03aa6dbc76f8 (diff)
downloadlinux-88f4b10a793262c4d6cf2566b1d210ec76f87867.tar.xz
drm/amdgpu: fix memory overflow in the IB test
Fix a memory overflow issue in the gfx IB test for some ASICs. At least 20 bytes are needed for the IB test packet. v2: correct code indentation errors. (Christian) Signed-off-by: Tim Huang <Tim.Huang@amd.com> Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 885ebd703260..1943beb135c4 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -883,8 +883,8 @@ static int gfx_v8_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
gpu_addr = adev->wb.gpu_addr + (index * 4);
adev->wb.wb[index] = cpu_to_le32(0xCAFEDEAD);
memset(&ib, 0, sizeof(ib));
- r = amdgpu_ib_get(adev, NULL, 16,
- AMDGPU_IB_POOL_DIRECT, &ib);
+
+ r = amdgpu_ib_get(adev, NULL, 20, AMDGPU_IB_POOL_DIRECT, &ib);
if (r)
goto err1;