[PATCH] drm/rockchip: vop: fix vop vsync/hsync polarity
Heiko Stübner
heiko at sntech.de
Sat Jan 24 07:13:46 PST 2015
Am Donnerstag, 22. Januar 2015, 11:15:02 schrieb Mark Yao:
> Vop set wrong vsync/hsync polarity, it may cause some
> display problem. known problem is that caused HDMI hdcp
> authenticate failed, caused pixel offset with hdmi display.
> the polarity description at RK3288 TRM doc:
> dsp_vsync_pol
> VSYNC polarity
> 1'b0 : negative
> 1'b1 : positive
> dsp_hsync_pol
> HSYNC polarity
> 1'b0 : negative
> 1'b1 : positive
>
> Signed-off-by: Mark Yao <mark.yao at rock-chips.com>
> ---
on a rk3288-firefly board with a sda7123 vga connector
Tested-by: Heiko Stuebner <heiko at sntech.de>
Heiko
More information about the Linux-rockchip
mailing list