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authorTim Huang <[email protected]>2023-11-21 03:06:51 +0000
committerAlex Deucher <[email protected]>2023-11-29 21:49:00 +0000
commit88f4b10a793262c4d6cf2566b1d210ec76f87867 (patch)
treefdb45226ef9bf5e2eb3224f5ac0714796de065ae /drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
parentdrm/amdgpu: add init_registers for nbio v7.11 (diff)
downloadkernel-88f4b10a793262c4d6cf2566b1d210ec76f87867.tar.gz
kernel-88f4b10a793262c4d6cf2566b1d210ec76f87867.zip
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 <[email protected]> Reviewed-by: Yifan Zhang <[email protected]> Reviewed-by: Christian König <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
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;