running etnaviv driver on i.mx6

[Chris Healy]

I'm not sure what your goal is but I would recommend using a newer version
of Mesa than 23.2.1.  Many changes have landed in Mesa over the last 2
years related to etnaviv bringing features, performance, and bug fixes.

On Wed, Aug 6, 2025 at 8:49 AM Wagner Andre <andre.wagner at richard-wolf.com>
wrote:

> Hi Fabio,
>
> I got it working! I didn't port everything to the mainline kernel but I
> ensured that drivers/gpu/drm/etnaviv and drivers/gpu/drm/imx match the
> mainline kernel and I ported the devicetree to mainline style for the gpu
> node and the ldb node (LVDS device bridge). Then i realized that i need to
> compile mesa different:
>
> I used:
> *meson setup <build dir> \*
> *  -Dplatforms=wayland \*
> *  -Degl-native-platform=drm \*
> *  -Dgallium-drivers=etnaviv,kmsro \*
> *  -Ddri3=enabled \*
> *  -Dvulkan-drivers= \*
> *  -Dllvm=disabled \*
> *  -Dshared-llvm=disabled \*
> *  -Dshared-glapi=enabled \*
> *  -Dgles1=enabled \*
> *  -Dgles2=enabled \*
> *  -Dopengl=false \*
> *  -Degl=enabled \*
> *  -Dgbm=enabled \*
> *  -Dglx=disabled \*
> *  -Dglvnd=true \*
> *  -Dbuild-tests=true \*
> *  -Dtools= \*
> *  -Db_ndebug=true \*
> *  -Ddri-drivers-path=/usr/lib/$(DEB_HOST_MULTIARCH)/dri \*
> *
> -Ddri-search-path='/usr/lib/$(DEB_HOST_MULTIARCH)/dri:\$$$${ORIGIN}/dri:/usr/lib/dri'*
>
> On my first run I didn't set egl's native platform to drm and compared to
> your old article (i tested the buildroot you meantioned there) i used dri3
> and disabled dri2 completly.
>
> So my running setup is now:
>
>    - Linux 5.15.148, NXP branch with mainline
>    /driver/gpu/drm/{etnaviv,imx} of mainline branch
>    - Custom devicetree for NXP branch with adapted gpu- and lbd-node to
>    mainline branch
>    - Mesa 23.2.1 with dri3, egl on drm using gbm
>    - Qt Application 5.15 with eglfs platform
>
>
> Greetings,
> André
>
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> ------------------------------
> *Von:* etnaviv <etnaviv-bounces at lists.freedesktop.org> im Auftrag von
> Fabio Estevam <festevam at gmail.com>
> *Gesendet:* Montag, 4. August 2025 21:50
> *An:* Wagner Andre <andre.wagner at richard-wolf.com>
> *Cc:* etnaviv at lists.freedesktop.org <etnaviv at lists.freedesktop.org>
> *Betreff:* Re: running etnaviv driver on i.mx6
>
> Hi Andre,
>
> On Mon, Aug 4, 2025 at 12:39 PM Wagner Andre
> <andre.wagner at richard-wolf.com> wrote:
> >
> > Hi Fabio,
> >
> > thanks for your fast answer!
> > A few hours ago, i just found an old article of you where you  described
> howto do it ;):
> >
> >
> https://imxdev.gitlab.io/tutorial/Running_kmscube_with_Etnaviv_on_mx6sabresd_board/
> >
> > I try to do the setup you described there, but i still got no plan how
> to port the devicetree i got for my board from the NXP kernel variant to
> the mainline, without causing a bunch of new problems.
>
> The display subsystem representation in the devicetree is different
> between the mainline kernel and the NXP kernel.
>
> Try getting the i.MX6 display interface to work with the mainline kernel
> first.
>
> There are many i.MX6-based boards are supported by the mainline
> kernel, which you can use as a reference for adapting your devicetree.
>
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