drm/mediatek: add shadow register support

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We need to acquire mutex before using the resources,
and need to release it after finished.
So we don't need to write registers in the blanking period.

Signed-off-by: YT Shen <yt.shen@mediatek.com>
Acked-by: CK Hu <ck.hu@mediatek.com>

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yt.shen@mediatek.com 2017-03-31 19:30:31 +08:00 • committed by CK Hu

parent c5f228ef6c

commit 9dc84e98a3

4 changed files with 74 additions and 29 deletions

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75

drivers/gpu/drm/mediatek/mtk_drm_crtc.c

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25

drivers/gpu/drm/mediatek/mtk_drm_ddp.c

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2

drivers/gpu/drm/mediatek/mtk_drm_ddp.h

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1

drivers/gpu/drm/mediatek/mtk_drm_drv.h

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