drm/rockchip: vop: power off until vop standby take effect

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Vop standby will take effect at end of current frame,
if dsp_hold_valid_irq happen, it means vop standby complete.

we must wait standby complete when we want to disable aclk,
if not, memory bus maybe dead.

Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>

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Mark Yao 2015-02-04 13:10:31 +08:00

parent 52ab7891fb

commit 1067219b27

1 changed files with 64 additions and 13 deletions

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drivers/gpu/drm/rockchip/rockchip_drm_vop.c

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