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| author | Nicholas Kazlauskas <[email protected]> | 2023-09-13 20:18:44 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2023-11-17 05:46:01 +0000 |
| commit | 1ffa8602e39b89469dc703ebab7a7e44c33da0f7 (patch) | |
| tree | 59f1617450516c4813a547a49963249042a6823f /drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c | |
| parent | Linux 6.7-rc1 (diff) | |
| download | kernel-1ffa8602e39b89469dc703ebab7a7e44c33da0f7.tar.gz kernel-1ffa8602e39b89469dc703ebab7a7e44c33da0f7.zip | |
drm/amd/display: Guard against invalid RPTR/WPTR being set
[WHY]
HW can return invalid values on register read, guard against these being
set and causing us to access memory out of range and page fault.
[HOW]
Guard at sync_inbox1 and guard at pushing commands.
Cc: Mario Limonciello <[email protected]>
Cc: Alex Deucher <[email protected]>
Cc: [email protected]
Reviewed-by: Hansen Dsouza <[email protected]>
Acked-by: Alex Hung <[email protected]>
Signed-off-by: Nicholas Kazlauskas <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c')
0 files changed, 0 insertions, 0 deletions