DRM KMS Modesetting

Jesse Barnes jbarnes at virtuousgeek.org
Mon Nov 14 14:54:46 PST 2011

On Mon, 14 Nov 2011 21:47:09 +0100
David Herrmann <dh.herrmann at googlemail.com> wrote:
> > I had to modify the resolution the test was searching for
> > to 1920x1200 instead of 1024x600 since I tested on a DP attached
> > monitor, and fix the connector id, but other than that it seemed to
> > work fine.
> Thanks for testing. At least my code seems right now, but I still
> cannot get it to work on my machine. The output of modetest is:
> https://gist.github.com/1365083
> There is only one connected connector+encoder+mode so I don't know
> where the problem exactly is. Are there any debug options? Is it
> possible to query the EGLImage for width/height?

Ok maybe the gen3 vs gen4 EGL image code isn't calculating the
width/stride correctly somewhere then.  You'd have to walk through the
gbm_dri2.c and egl_dri2.c code and see where the width is going off
into the weeds.

Jesse Barnes, Intel Open Source Technology Center
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