On Sun, Mar 26, 2017 at 08:41:48PM +0300, Yury Luneff wrote:
> Hello again.
> 
> I seem to resolved this issue. I had to set initial video mode for tilcdc to 
> be 1024x768@60 Hz in uEnv.txt. Then Weston started nicely with —current-mode 
> being 1024x768.

Sounds good. Glad you were able to resolve it! Let us know if you have any 
other issues.

-- 
Denys


> 26 марта 2017 г., в 4:30, Yury Luneff <yury.lu...@gmail.com> написал(а):
> > 
> > Hello!
> > 
> > I’m trying to get Weston running on BeagleBone Black with TI’s SGX drivers. 
> > Kernel is 4.9.13-g102f61776e from meta-ti (morty branch) and the drivers 
> > alike.
> > I have Weston 1.11 with patches from meta-arago (the patch that forces 
> > using card0 whereas I have card0 for tilcdc and card1 for pvrsrvkm plus the 
> > Mesa/GBM dealing patch). I had it running with SGX drivers already, but all 
> > of a sudden it ceased to startup properly.
> > 
> > # weston --tty=1 -B drm-backend.so --current-mode
> > …
> > [16:07:05.845] Output HDMI-A-1, (connector 26, crtc 24)
> >               mode 1360x768@60.4, preferred, current
> > ...
> > [16:07:05.957] set mode failed: Invalid argument
> > 
> > I’ve posted complete Weston startup log here: http://pastebin.com/bHbdDMas
> > 
> > The failure reason is listed in dmesg log:
> > tilcdc 4830e000.lcdc: Invalid pitch: fb and crtc widths must be the same
> > 
> > I see the patch comments in https://patchwork.kernel.org/patch/7856821/ 
> > that introduced this sanity check for tilcdc, but I’m not sure how to 
> > achieve proper setup with my case.
> > 
> > I have put 'gbm-format=rgb565’ in /etc/weston.ini. tilcdc’s pixel format 
> > seems to be the same: 
> > /sys/bus/platform/drivers/tilcdc/4830e000.lcdc/graphics/fb0/bits_per_pixel 
> > equals to 16.
> > 
> > I’m not sure how tilcdc and pvrsrvkm should work between each other but the 
> > result is weston/wayland not starting because of some framebuffer mode 
> > conflict.
> > 
> > I had it working very little time ago and I did it by specifying 
> > --current-mode for Weston, but now this option doesn’t help as Weston tries 
> > to set_mode anyway.
> > 
> > Please, give me an advice on how to debug this.
> > 
> > Thanks!
> > —
> > Yury Lunev
> > 
> > 
> 
> —
> Yury Lunev
> 

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