drm/rockchip/dsi: enable the grf clk before writing grf registers

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For RK3399, the grf clk should be enabled before writing grf registers,
otherwise the register value can not be changed.

Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1490147691-4489-4-git-send-email-zyw@rock-chips.com

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Chris Zhong 2017-03-22 09:54:50 +08:00 • committed by Sean Paul

parent d3dffdc260

commit 5bc07b1569

1 changed files with 25 additions and 1 deletions

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26

drivers/gpu/drm/rockchip/dw-mipi-dsi.c

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