Hi Kieran,

Thank you for the patch.

On Tuesday, 17 July 2018 23:35:53 EEST Kieran Bingham wrote:
> From: Kieran Bingham <[email protected]>
> 
> Use the newly exposed VSP1 interface to enable interlaced frame support
> through the VSP1 LIF pipelines.
> 
> The DSMR register is updated to set the ODEV flag on interlaced
> pipelines, thus defining an interlaced stream as having the ODD field
> located in the second half (BOTTOM) of the frame buffer.
> 
> Signed-off-by: Kieran Bingham <[email protected]>

Reviewed-by: Laurent Pinchart <[email protected]>

> ---
> v5
>  - Fix commit title
>  - Document change to DSMR
>  - Configure through vsp1_du_setup_lif(), rather than
>    vsp1_du_atomic_update()
> 
>  drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 1 +
>  drivers/gpu/drm/rcar-du/rcar_du_vsp.c  | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
> b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index 15dc9caa128b..b52b3e817b93
> 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
> @@ -289,6 +289,7 @@ static void rcar_du_crtc_set_display_timing(struct
> rcar_du_crtc *rcrtc) /* Signal polarities */
>       value = ((mode->flags & DRM_MODE_FLAG_PVSYNC) ? DSMR_VSL : 0)
> 
>             | ((mode->flags & DRM_MODE_FLAG_PHSYNC) ? DSMR_HSL : 0)
> 
> +           | ((mode->flags & DRM_MODE_FLAG_INTERLACE) ? DSMR_ODEV : 0)
> 
>             | DSMR_DIPM_DISP | DSMR_CSPM;
> 
>       rcar_du_crtc_write(rcrtc, DSMR, value);
> 
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c index 72eebeda518e..a042f116731b
> 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> @@ -52,6 +52,7 @@ void rcar_du_vsp_enable(struct rcar_du_crtc *crtc)
>       struct vsp1_du_lif_config cfg = {
>               .width = mode->hdisplay,
>               .height = mode->vdisplay,
> +             .interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE,
>               .callback = rcar_du_vsp_complete,
>               .callback_data = crtc,
>       };

-- 
Regards,

Laurent Pinchart



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