Hi Kieran,

Thank you for the patch.

On Thursday, 3 May 2018 16:36:22 EEST Kieran Bingham wrote:
> Use the newly exposed VSP1 interface to enable interlaced frame support
> through the VSP1 lif pipelines.

s/lif/LIF/

> 
> Signed-off-by: Kieran Bingham <kieran.bingham+rene...@ideasonboard.com>
> ---
>  drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 1 +
>  drivers/gpu/drm/rcar-du/rcar_du_vsp.c  | 3 +++
>  2 files changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
> b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index d71d709fe3d9..206532959ec9
> 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)

How will this affect Gen2 ? Could you document what this change does in the 
commit message ?

>             | 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 af7822a66dee..c7b37232ee91
> 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> @@ -186,6 +186,9 @@ static void rcar_du_vsp_plane_setup(struct
> rcar_du_vsp_plane *plane) };
>       unsigned int i;
> 
> +     cfg.interlaced = !!(plane->plane.state->crtc->mode.flags
> +                         & DRM_MODE_FLAG_INTERLACE);
> +
>       cfg.src.left = state->state.src.x1 >> 16;
>       cfg.src.top = state->state.src.y1 >> 16;
>       cfg.src.width = drm_rect_width(&state->state.src) >> 16;

-- 
Regards,

Laurent Pinchart



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