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

Shawn Guo shawn.guo at freescale.com
Mon Apr 7 06:43:04 PDT 2014


On Mon, Apr 07, 2014 at 12:05:35PM +0200, Philipp Zabel wrote:
> > Did you get any chance to reproduce this dual display issue?  Now it
> > shows on mainline kernel.
> 
> I have not yet reproduced, but I've sent a patch today ("imx-drm:
> imx-drm-core: Fix imx_drm_encoder_get_mux_id") that might fix this.

Yes, it fixes my issue.

> 
> > And I see another HDMI regression with my testing on mainline kernel.  I
> > can have my HDMI work at 1920x1080 with v3.14 kernel, but it can only
> > probes 1024x768 with the mainline today.  The Xorg.0.log are attached
> > below.  The hardware and user space are same, so I guess this is another
> > issue introduced by the recently kernel driver changes?
> 
> Hmm, not sure. Have you updated to the i2c-ddc-bus phandle property as
> described in Documentation/devicetree/bindings/staging/imx-drm/hdmi.txt?

That's indeed the cause of my problem.  Thanks, Philipp.

Shawn




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