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Re: i.mx6 video out in mainline

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On Tue, Oct 6, 2015 at 8:02 PM, Pushpal Sidhu <psidhu@gateworks.com> wrote:

> When I took your patch and adapted it for imx6qdl-gw54xx.dtsi, I found
> that HDMI video out was slightly shifted to the left and resolution
> remained at 1024x768p.
>
> I also found that when I disabled DRM_IMX_LDB, HDMI out stopped
> working altogether, though if I stripped out the ldb section in device
> tree, the resolution comes back at 1080p (regardless of setting
> DRM_IMX_LDB or not). There is definitely some strange interdependency
> between lvds and hdmi here. Do you have an idea of where I should
> start looking for this problem?

I thought we have already fixed that. Does this issue still happen with 4.3-rc4?

I would suggest turning on debug in drivers/gpu/ipu-v3/ipu-di.c and
see the DI frequencies you are getting for the HDMI and LDB ports.
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i.mx6 video out in mainline Pushpal Sidhu <psidhu@gateworks.com> - 2015-10-07 00:00 +0200
  Re: i.mx6 video out in mainline Fabio Estevam <festevam@gmail.com> - 2015-10-07 00:30 +0200
    Re: i.mx6 video out in mainline Pushpal Sidhu <psidhu@gateworks.com> - 2015-10-07 01:10 +0200
      Re: i.mx6 video out in mainline Fabio Estevam <festevam@gmail.com> - 2015-10-07 05:10 +0200
        Re: i.mx6 video out in mainline Pushpal Sidhu <psidhu@gateworks.com> - 2015-10-08 23:00 +0200
      Re: i.mx6 video out in mainline Lucas Stach <l.stach@pengutronix.de> - 2015-10-07 08:50 +0200
        Re: i.mx6 video out in mainline Pushpal Sidhu <psidhu@gateworks.com> - 2015-10-08 21:40 +0200

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