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| author | James Yao <yiqing.yao@amd.com> | 2021-12-29 18:10:32 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-01-07 17:19:34 -0500 |
| commit | 216a9873198bdc5c670a9f71d58fafd30227c9c8 (patch) | |
| tree | 366e630648dd32ecfcd634232b26e7026b327318 /drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | |
| parent | 5b0ce2d41b70bba49b91b10c55984714490354ed (diff) | |
| download | linux-216a9873198bdc5c670a9f71d58fafd30227c9c8.tar.bz2 | |
drm/amdgpu: add dummy event6 for vega10
[why]
Malicious mailbox event1 fails driver loading on vega10.
A dummy event6 prevent driver from taking response from malicious event1 as its own.
[how]
On vega10, send a mailbox event6 before sending event1.
Signed-off-by: James Yao <yiqing.yao@amd.com>
Reviewed-by: Jingwen Chen <Jingwen.Chen2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index f8e574cc0e22..d9509c3482e2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -727,6 +727,10 @@ void amdgpu_detect_virtualization(struct amdgpu_device *adev) vi_set_virt_ops(adev); break; case CHIP_VEGA10: + soc15_set_virt_ops(adev); + /* send a dummy GPU_INIT_DATA request to host on vega10 */ + amdgpu_virt_request_init_data(adev); + break; case CHIP_VEGA20: case CHIP_ARCTURUS: case CHIP_ALDEBARAN: |