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SubjectRe: OMAP DRM regression on N900
On Wed, Aug 21, 2019 at 1:37 PM Laurent Pinchart
<laurent.pinchart@ideasonboard.com> wrote:
>
> Hi Aaro,
>
> On Sun, Aug 18, 2019 at 05:08:38PM +0300, Aaro Koskinen wrote:
> > Hi,
> >
> > I haven't got display working on N900 since v5.1. Bisected to:
> >
> > d17eb4537a7eb16da9eafbfd5717e12b45b77251 is the first bad commit
> > commit d17eb4537a7eb16da9eafbfd5717e12b45b77251
> > Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> > Date: Wed Sep 12 19:41:31 2018 +0300
> >
> > drm/omap: Factor out common init/cleanup code for output devices
>
> Sorry :-(
>
> I'll send a tentative fix, I'd appreciate if you could test it.

Can you point me to this patch? I was in the process of
troubleshooting both a DM37, OMAP35 and AM35 board who all have blank
screens. I'd like to try this patch too.

thank you,

adam

>
> > looks like with this commit I get only the TV out:
> >
> > $ ls -l /sys/class/drm/
> > total 0
> > lrwxrwxrwx 1 root root 0 Aug 18 16:15 card0 -> ../../devices/platform/omapdrm.0/drm/card0
> > lrwxrwxrwx 1 root root 0 Aug 18 16:15 card0-SVIDEO-1 -> ../../devices/platform/omapdrm.0/drm/card0/card0-SVIDEO-1
> > lrwxrwxrwx 1 root root 0 Aug 18 16:15 renderD128 -> ../../devices/platform/omapdrm.0/drm/renderD128
> > -r--r--r-- 1 root root 4096 Aug 18 16:15 version
> >
> > with the previous commit both outputs are there:
> >
> > $ ls -l /sys/class/drm/
> > total 0
> > lrwxrwxrwx 1 root root 0 Aug 18 16:28 card0 -> ../../devices/platform/omapdrm.0/drm/card0
> > lrwxrwxrwx 1 root root 0 Aug 18 16:28 card0-LVDS-1 -> ../../devices/platform/omapdrm.0/drm/card0/card0-LVDS-1
> > lrwxrwxrwx 1 root root 0 Aug 18 16:28 card0-SVIDEO-1 -> ../../devices/platform/omapdrm.0/drm/card0/card0-SVIDEO-1
> > lrwxrwxrwx 1 root root 0 Aug 18 16:28 renderD128 -> ../../devices/platform/omapdrm.0/drm/renderD128
> > -r--r--r-- 1 root root 4096 Aug 18 16:28 version
> >
> > Used .config below.
>
> [snip]
>
> --
> Regards,
>
> Laurent Pinchart

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