drm/mediatek: Add display merge async reset control

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Add merge async reset control in mtk_merge_stop. Async hw doesn't do self
reset on each sof signal(start of frame), so need to reset the async to
clear the hw status for the next merge start.

Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20220620091930.27797-8-nancy.lin@mediatek.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

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Nancy.Lin 2022-06-20 17:19:23 +08:00 • committed by Chun-Kuang Hu

parent a5b51d1dd9

commit aaf94f7c3a

1 changed files with 11 additions and 0 deletions

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drivers/gpu/drm/mediatek/mtk_disp_merge.c

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