Re: [RFC 4/4] drm/panel/ili9341: Support mi0283qt

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On Tue, Jul 30, 2019 at 4:30 PM Noralf Trønnes <noralf@xxxxxxxxxxx> wrote:
>
>
>
> Den 29.07.2019 21.55, skrev Noralf Trønnes:
> > Signed-off-by: Noralf Trønnes <noralf@xxxxxxxxxxx>
> > ---
> >  drivers/gpu/drm/panel/panel-ilitek-ili9341.c | 179 ++++++++++++++++++-
> >  1 file changed, 170 insertions(+), 9 deletions(-)
> >
>
> I have realised that this will change the DRM driver name from mi0283qt
> to drm_mipi_dbi. This means that this panel will loose its MESA kmsro[1]
> support. I haven't tried it, but this is the first thing that gives this
> driver any real advantage over its fbdev counterpart in
> drivers/staging/fbtft, so I don't want to loose that.
> So even if MIPI DBI panel support is implemented in some form, I will
> wait with converting mi0283qt until someone has updated the kmsro driver.

Why does it change? You should be able to stuff whatever you feel like
into the drm driver name, this doesn't have to match either your
platform/spi/whatever driver name nor the module option.
-Daniel


> Noralf.
>
> [1]
> https://gitlab.freedesktop.org/mesa/mesa/tree/master/src/gallium/winsys/kmsro/drm
> https://gitlab.freedesktop.org/mesa/mesa/blob/master/src/gallium/targets/dri/target.c



-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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