Messages in this thread | | | Subject | Re: [REGRESSION] omapdrm/N900 display broken | From | Ivaylo Dimitrov <> | Date | Fri, 27 Nov 2020 17:37:35 +0200 |
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Hi,
On 27.11.20 г. 15:10 ч., Ivaylo Dimitrov wrote: > > > On 27.11.20 г. 13:45 ч., Tomi Valkeinen wrote: >> On 27/11/2020 01:17, Ivaylo Dimitrov wrote: >>> Hi Tomi, >>> >>> On 26.11.20 г. 16:11 ч., Tomi Valkeinen wrote: >>>> Hi Aaro, Ivaylo, >>>> >>>> On 24/11/2020 23:03, Ivaylo Dimitrov wrote: >>>> >>>>> Is there any progress on the issue? I tried 5.9.1 and still nothing >>>>> displayed. >>>> >>>> Can you test the attached patch? >>>> >>> >>> With this patch I don't see oops that Aaro reported, so: >>> >>> Tested-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> >>> >>> Seems to fix the particular issue, however, now we get another oops. >>> As this is not upstream kernel >>> but one with PVR related patches, I will try again with vanilla 5.9. >>> >>> Just in case oops rings any bells (the line in question is >>> https://github.com/maemo-leste/droid4-linux/blob/maemo-5.9/drivers/gpu/drm/omapdrm/omap_gem.c#L801) >>> >> >> Do the PVR patches touch omapdrm? The call stack looks like normal >> boot time probing stuff, not >> something happening later (possibly from PVR). >> > > pvr driver is not even enabled in that particular config, however, I see > "HACK: drm/omap: Add omapdrm plugin API" patch in the tree that touches > omap-gem.c, I don't really want to just create some noise for problems > that are created by out-of-tree patches. And yeah, it looks like a > normal boot time probing stuff. As soon as I have some spare time > (hopefully later today) I will try vanilla 5.9.x with > omap2plus_defconfig and will report. >
With 5.9.11 and the patch on top, n900 boots fine, albeit display remains blank, could be related to brightness, we're still investigating.
Thanks and regards, Ivo
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