DRM KMS Modesetting

[Kristian Høgsberg]

On Mon, Nov 14, 2011 at 5:54 PM, Jesse Barnes <jbarnes at virtuousgeek.org> wrote:
> 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.

Could be, I know I've run Wayland on Pineview though, so that works at
least.  David, did you try eglkms from mesa demos?

http://cgit.freedesktop.org/mesa/demos/tree/src/egl/opengl/eglkms.c

Kristian