linux/drivers/gpu
Victor Zhao f1688bd69e drm/amd/amdgpu:save psp ring wptr to avoid attack
[Why]
When some tools performing psp mailbox attack, the readback value
of register can be a random value which may break psp.

[How]
Use a psp wptr cache machanism to aovid the change made by attack.

v2: unify change and add detailed reason

Signed-off-by: Victor Zhao <Victor.Zhao@amd.com>
Signed-off-by: Jingwen Chen <Jingwen.Chen2@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-05-27 12:33:52 -04:00
..
drm drm/amd/amdgpu:save psp ring wptr to avoid attack 2021-05-27 12:33:52 -04:00
host1x gpu: host1x: Add early init and late exit callbacks 2021-03-31 17:42:14 +02:00
ipu-v3 gpu: ipu-v3: Add Rec.709 limited range support to DP 2021-05-10 17:20:29 +02:00
trace
vga
Makefile