[PATCH v5 00/11] imx-drm dt bindings

Shawn Guo shawn.guo at linaro.org
Tue Mar 11 07:14:31 PDT 2014


On Tue, Mar 11, 2014 at 02:34:38PM +0100, Lucas Stach wrote:
> > Sorry, Philipp.  The setup in my report is incorrect.  The correct setup
> > to see this issue consists of:
> > 
> > 1) build a kernel without HDMI support, i.e. !CONFIG_DRM_IMX_HDMI
> > 
> > 2) enable HDMI device in DT, i.e. adding the lines below in board dts.
> > 
> > 	&hdmi {
> > 	       status = "okay";
> > 	};
> > 
> > Sorry for the confusion.
> > 
> This isn't a supported use-case, the componentized device stuff is there
> exactly to ensure that the DRM device is only brought up after all
> active components have an driver attached to them.

Ah, yes.  I was in the impression that LVDS should still work in this
setup, but that was the case before Philipp's series.  In Russell's
original imx-drm setup, LVDS still works even if I enable the HDMI
device in DT, as long as I do not reference it from 'connectors'.

	imx_drm: imx-drm {
		compatible = "fsl,imx-drm";
		crtcs = <&ipu1 0>, <&ipu1 1>;
		connectors = <&ldb>;
	};

Thanks for the clarification.

Shawn



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