Re: [PATCH v3 00/56] Convert DSI code to use drm_mipi_dsi and drm_panel

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Hi Tomi,

> Am 05.11.2020 um 13:02 schrieb Tomi Valkeinen <tomi.valkeinen@xxxxxx>:
> 
> Hi,
> 
> This is third version of the series sent by Sebastian in February:
> 
> https://www.spinics.net/lists/linux-omap/msg153465.html
> 
> I took the patches from his git tree, and rebased on 5.10-rc2. There
> were some conflicts and compilation errors, and one bug that made dsi to
> not work (videomode variable was not initialized to 0).
> 
> I then fixed the few checkpatch and sparse issues. Overall, Sebastian's
> patches are pretty much as they were previously. I did drop Laurent's
> reviewed-bys, as it's been a long time since the previous series, and
> the patches are not identical anyway.
> 
> The topmost 5 patches are new ones, cleanups enabled by the DSI
> conversion. They could be handled separately, but it's such a nice
> cleanup, and I've been waiting for years to get this done, so here they
> are. That said, there are still a _lot_ of cleanups to do.
> 
> Almost all of the patches are omapdrm changes. The two non-omapdrm
> changes are:
> - After converting panel-dsi-cm to common DRM panel model, it is moved
>  to drm's panel directory.
> - Add MIPI_DSI_MODE_ULPS_IDLE flag
> 
> I have tested these with OMAP4 SDP, AM5 EVM and OMAP4 Panda. SDP has
> command mode panel, and I don't have any videomode panels.
> 
> Sebastian, I hope you're ok with all this? I did send you an email, but
> didn't get a reply yet, so I thought to just proceed. If you want to
> handle this in some other way, or don't want your
> authorship/signed-off-by in some of the commits, just tell.

That all is great.
I was able to apply the patch set cleanly and compile.

Next, I migrated my long waiting mipi_dsi/drm_panel driver conversion for
the panel of the Pyra handheld (omap 5 based) to compile on 5.10-rc2. And
I followed the latest existing panel-orisetech-otm8009a.c which uses a
similar video mode controller and mipi-dsi.

That one seems to be used by arch/arm/boot/dts/stm32f469-disco.dts.

Unfortunately my panel driver is not even loaded by drm/omap so I can't
debug. Does this set of drm/omap drivers need a modification of the device
tree? If yes, which one?

BR and thanks,
Nikolaus

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