Hi Kieran,

Thank you for the patch.

On Friday, 31 August 2018 21:12:57 EEST Kieran Bingham wrote:
> The R-Car Gen3 DU utilises the VSP1 hardware for memory access. The
> limits on the RPF and WPF in this pipeline are 8190x8190.
> 
> Update the supported maximum sizes accordingly.
> 
> Signed-off-by: Kieran Bingham <[email protected]>

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

and applied to my tree.

> ---
>  drivers/gpu/drm/rcar-du/rcar_du_kms.c | 14 ++++++++++++--
>  1 file changed, 12 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index ed7fa3204892..7c7aff8cdf77
> 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
> @@ -512,12 +512,22 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu)
> 
>       dev->mode_config.min_width = 0;
>       dev->mode_config.min_height = 0;
> -     dev->mode_config.max_width = 4095;
> -     dev->mode_config.max_height = 2047;
>       dev->mode_config.normalize_zpos = true;
>       dev->mode_config.funcs = &rcar_du_mode_config_funcs;
>       dev->mode_config.helper_private = &rcar_du_mode_config_helper;
> 
> +     if (rcdu->info->gen < 3) {
> +             dev->mode_config.max_width = 4095;
> +             dev->mode_config.max_height = 2047;
> +     } else {
> +             /*
> +              * The Gen3 DU uses the VSP1 for memory access, and is limited
> +              * to frame sizes of 8190x8190.
> +              */
> +             dev->mode_config.max_width = 8190;
> +             dev->mode_config.max_height = 8190;
> +     }
> +
>       rcdu->num_crtcs = hweight8(rcdu->info->channels_mask);
> 
>       ret = rcar_du_properties_init(rcdu);

-- 
Regards,

Laurent Pinchart



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