[PATCH v3 20/24] drm/rockchip: vop: test for P{H,V}SYNC

[Sean Paul]

On Sun, Jan 29, 2017 at 01:24:40PM +0000, John Keeping wrote:
> When connected to the MIPI DSI output, we need to use N{H,V}SYNC for the
> internal connection but these flags are meaningless for DSI panels.
> Switch the test so that we do not set the P{H,V}SYNC bits unless the
> mode requires it.
> 

Reviewed-by: Sean Paul <seanpaul at chromium.org>

> Signed-off-by: John Keeping <john at metanate.com>
> Reviewed-by: Mark Yao <mark.yao at rock-chips.com>
> ---
> v3:
> - Add Mark's Reviewed-by
> Unchanged in v2
> 
>  drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> index c7eba305c488..67aefc6d4e9a 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> @@ -933,8 +933,8 @@ static void vop_crtc_enable(struct drm_crtc *crtc)
>  	}
>  
>  	pin_pol = 0x8;
> -	pin_pol |= (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) ? 0 : 1;
> -	pin_pol |= (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC) ? 0 : (1 << 1);
> +	pin_pol |= (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) ? 1 : 0;
> +	pin_pol |= (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) ? (1 << 1) : 0;
>  	VOP_CTRL_SET(vop, pin_pol, pin_pol);
>  
>  	switch (s->output_type) {
> -- 
> 2.11.0.197.gb556de5.dirty
> 
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-- 
Sean Paul, Software Engineer, Google / Chromium OS