drm/amdgpu: add dummy event6 for vega10

Browse source

[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>

...

This commit is contained in:

James Yao 2021-12-29 18:10:32 +08:00 • committed by Alex Deucher

parent 5b0ce2d41b

commit 216a987319

3 changed files with 17 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

4

drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c

View file

11

drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c

View file

2

drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h

View file