drm/amd/display: decouple dmcub execution to reduce lock granularity

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[Why]
On some systems dmub commands run at high IRQ, so long running
commands will block other interrupts.

[How]
Decouple wait_for_idle from dmcub queue/execute/wait.

Reviewed-by: Josip Pavic <josip.pavic@amd.com>
Acked-by: Hersen Wu <hersenxs.wu@amd.com>
Signed-off-by: JinZe.Xu <jinze.xu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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JinZe.Xu 2023-10-13 09:50:00 +08:00 • committed by Alex Deucher

parent 13c84bbe05

commit 028bac5834

2 changed files with 82 additions and 0 deletions

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74

drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c

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8

drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h

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