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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