Re: [PATCH v2 6/8] drm/imx: support handling bridge timings bus flags

From: Philipp Zabel
Date: Thu Sep 13 2018 - 04:39:14 EST


On Wed, 2018-09-12 at 11:32 -0700, Stefan Agner wrote:
> A bridge might require specific settings for the pixel data on
> the bus.

On which bus? The bridge has input and output.

> Copy the bus flags from the bridge timings if a bridge
> is in use.
>
> Signed-off-by: Stefan Agner <stefan@xxxxxxxx>
> ---
> drivers/gpu/drm/imx/parallel-display.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
> index aefd04e18f93..7798a0621df7 100644
> --- a/drivers/gpu/drm/imx/parallel-display.c
> +++ b/drivers/gpu/drm/imx/parallel-display.c
> @@ -239,6 +239,9 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data)
> if (ret && ret != -ENODEV)
> return ret;
>
> + if (imxpd->bridge && imxpd->bridge->timings)
> + imxpd->bus_flags = imxpd->bridge->timings->input_bus_flags;

Oh, ok. I'd also specify input bus in the commit message.

> +
> imxpd->dev = dev;
>
> ret = imx_pd_register(drm, imxpd);

regards
Philipp