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| author | Duncan Ma <[email protected]> | 2023-10-25 23:07:21 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2023-11-17 05:53:10 +0000 |
| commit | 5e8a0d3598b47ee5a57708072bdef08816264538 (patch) | |
| tree | 0619612804e6fb927edbbb60ed8038f1bf137bd4 /drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | |
| parent | drm/amd/pm: Don't send unload message for reset (diff) | |
| download | kernel-5e8a0d3598b47ee5a57708072bdef08816264538.tar.gz kernel-5e8a0d3598b47ee5a57708072bdef08816264538.zip | |
drm/amd/display: Negate IPS allow and commit bits
[WHY]
On s0i3, IPS mask isn't saved and restored.
It is reset to zero on exit.
If it is cleared unexpectedly, driver will
proceed operations while DCN is in IPS2 and
cause a hang.
[HOW]
Negate the bit logic. Default value of
zero indicates it is still in IPS2. Driver
must poll for the bit to assert.
Cc: Mario Limonciello <[email protected]>
Cc: Alex Deucher <[email protected]>
Cc: [email protected]
Reviewed-by: Charlene Liu <[email protected]>
Acked-by: Alex Hung <[email protected]>
Signed-off-by: Duncan Ma <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c')
0 files changed, 0 insertions, 0 deletions