On Mon, Sep 26, 2022 at 10:16:43AM +0200, Sascha Hauer wrote:
> Esmart0-win0 could serve as primary plane, so mark it as such. On
> RK3568 this window will never be used as primary plane, because the
> three windows at the beginning of the rk3568_vop_win_data[] array
> will be used. On RK3566 however, two of the windows at the beginning
> of the rk3568_vop_win_data[] array cannot not be used due to hardware
> limitations, so without this patch we end up with CRTCs without primary
> planes when multiple VPs are active.
> 
> Signed-off-by: Sascha Hauer <[email protected]>

I have been testing this for a few days and it works well for me on 2
distinct rk3566 based devices (Anbernic RG353P and Anbernic RG503).

Tested-by: Chris Morgan <[email protected]>

> ---
>  drivers/gpu/drm/rockchip/rockchip_vop2_reg.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c 
> b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
> index 9bf0637bf8e26..9d30aa73b5422 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
> @@ -188,7 +188,7 @@ static const struct vop2_win_data rk3568_vop_win_data[] = 
> {
>               .base = 0x1800,
>               .layer_sel_id = 2,
>               .supported_rotations = DRM_MODE_REFLECT_Y,
> -             .type = DRM_PLANE_TYPE_OVERLAY,
> +             .type = DRM_PLANE_TYPE_PRIMARY,
>               .max_upscale_factor = 8,
>               .max_downscale_factor = 8,
>               .dly = { 20, 47, 41 },
> -- 
> 2.30.2
> 

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