Re: [PATCH] drm/mxsfb: Make supported modifiers explicit

From: Lucas Stach
Date: Mon Mar 23 2020 - 11:51:17 EST


Am Montag, den 23.03.2020, 15:52 +0100 schrieb Guido GÃnther:
> In contrast to other display controllers on imx like DCSS and ipuv3
> lcdif/mxsfb does not support detiling e.g. vivante tiled layouts.
> Since mesa might assume otherwise make it explicit that only
> DRM_FORMAT_MOD_LINEAR is supported.
>
> Signed-off-by: Guido GÃnther <agx@xxxxxxxxxxx>

Reviewed-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>

> ---
> drivers/gpu/drm/mxsfb/mxsfb_drv.c | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
> index 762379530928..fc71e7a7a02e 100644
> --- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
> +++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
> @@ -73,6 +73,11 @@ static const uint32_t mxsfb_formats[] = {
> DRM_FORMAT_RGB565
> };
>
> +static const uint64_t mxsfb_modifiers[] = {
> + DRM_FORMAT_MOD_LINEAR,
> + DRM_FORMAT_MOD_INVALID
> +};
> +
> static struct mxsfb_drm_private *
> drm_pipe_to_mxsfb_drm_private(struct drm_simple_display_pipe *pipe)
> {
> @@ -334,8 +339,8 @@ static int mxsfb_load(struct drm_device *drm, unsigned long flags)
> }
>
> ret = drm_simple_display_pipe_init(drm, &mxsfb->pipe, &mxsfb_funcs,
> - mxsfb_formats, ARRAY_SIZE(mxsfb_formats), NULL,
> - mxsfb->connector);
> + mxsfb_formats, ARRAY_SIZE(mxsfb_formats),
> + mxsfb_modifiers, mxsfb->connector);
> if (ret < 0) {
> dev_err(drm->dev, "Cannot setup simple display pipe\n");
> goto err_vblank;