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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_v11_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_v11_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 40ce12323164..8ed4a6fb147a 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -427,7 +427,7 @@ static int gfx_v11_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
adev->wb.wb[index] = cpu_to_le32(0xCAFEDEAD);
cpu_ptr = &adev->wb.wb[index];
- 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) {
DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r);
goto err1;