Re: [PATCH v4 02/14] drm/mxsfb: Read bus flags from bridge if present

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On 2019-08-29 13:30, Robert Chiras wrote:
> From: Guido Günther <agx@xxxxxxxxxxx>
> 
> The bridge might have special requirmentes on the input bus. This
> is e.g. used by the imx-nwl bridge.
> 
> Signed-off-by: Guido Günther <agx@xxxxxxxxxxx>
> Reviewed-by: Stefan Agner <stefan@xxxxxxxx>

Applied to the drm-misc-next branch.

I decided to apply those two since they are independent from the rest.
You can drop them in the next spin of the rest.

--
Stefan


> ---
>  drivers/gpu/drm/mxsfb/mxsfb_crtc.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/mxsfb/mxsfb_crtc.c
> b/drivers/gpu/drm/mxsfb/mxsfb_crtc.c
> index de09b93..b69ace8 100644
> --- a/drivers/gpu/drm/mxsfb/mxsfb_crtc.c
> +++ b/drivers/gpu/drm/mxsfb/mxsfb_crtc.c
> @@ -209,7 +209,7 @@ static void mxsfb_crtc_mode_set_nofb(struct
> mxsfb_drm_private *mxsfb)
>  {
>  	struct drm_device *drm = mxsfb->pipe.crtc.dev;
>  	struct drm_display_mode *m = &mxsfb->pipe.crtc.state->adjusted_mode;
> -	const u32 bus_flags = mxsfb->connector->display_info.bus_flags;
> +	u32 bus_flags = mxsfb->connector->display_info.bus_flags;
>  	u32 vdctrl0, vsync_pulse_len, hsync_pulse_len;
>  	int err;
>  
> @@ -233,6 +233,9 @@ static void mxsfb_crtc_mode_set_nofb(struct
> mxsfb_drm_private *mxsfb)
>  
>  	clk_set_rate(mxsfb->clk, m->crtc_clock * 1000);
>  
> +	if (mxsfb->bridge && mxsfb->bridge->timings)
> +		bus_flags = mxsfb->bridge->timings->input_bus_flags;
> +
>  	DRM_DEV_DEBUG_DRIVER(drm->dev, "Pixel clock: %dkHz (actual: %dkHz)\n",
>  			     m->crtc_clock,
>  			     (int)(clk_get_rate(mxsfb->clk) / 1000));
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