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| author | James Yao <yiqing.yao@amd.com> | 2021-12-29 13:10:32 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-01-08 01:19:34 +0300 |
| commit | 216a9873198bdc5c670a9f71d58fafd30227c9c8 (patch) | |
| tree | 366e630648dd32ecfcd634232b26e7026b327318 /drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h | |
| parent | 5b0ce2d41b70bba49b91b10c55984714490354ed (diff) | |
| download | linux-216a9873198bdc5c670a9f71d58fafd30227c9c8.tar.xz | |
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/mxgpu_ai.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h index f9aa4d0bb638..fa7e13e0459e 100644 --- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h @@ -35,6 +35,7 @@ enum idh_request { IDH_REQ_GPU_FINI_ACCESS, IDH_REL_GPU_FINI_ACCESS, IDH_REQ_GPU_RESET_ACCESS, + IDH_REQ_GPU_INIT_DATA, IDH_LOG_VF_ERROR = 200, IDH_READY_TO_RESET = 201, @@ -48,6 +49,7 @@ enum idh_event { IDH_SUCCESS, IDH_FAIL, IDH_QUERY_ALIVE, + IDH_REQ_GPU_INIT_DATA_READY, IDH_TEXT_MESSAGE = 255, }; |