[PATCH v4 11/11] drm: rcar-du: Support interlaced video output through vsp1
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Thu May 24 11:50:23 UTC 2018
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+renesas at 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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