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Message-ID: <5xlfrdnutrncqdyal36222ka7qkgbtrixm3cpjk6reb7xu6zwu@nyiowsjng5k6>
Date: Fri, 25 Aug 2023 16:27:43 +0200
From: Maxime Ripard <mripard@...nel.org>
To: Helen Mae Koike Fornazier <helen.koike@...labora.com>
Cc: Jani Nikula <jani.nikula@...ux.intel.com>,
Vignesh Raman <vignesh.raman@...labora.com>,
dri-devel@...ts.freedesktop.org, emma@...olt.net,
linux-doc@...r.kernel.org, david.heidelberg@...labora.com,
linux-amlogic@...ts.infradead.org, jbrunet@...libre.com,
robdclark@...gle.com, corbet@....net, khilman@...libre.com,
sergi.blanch.torne@...labora.com, gustavo.padovan@...labora.com,
linux-rockchip@...ts.infradead.org, daniels@...labora.com,
martin.blumenstingl@...glemail.com, robclark@...edesktop.org,
anholt@...gle.com, linux-mediatek@...ts.infradead.org,
matthias.bgg@...il.com, linux-arm-kernel@...ts.infradead.org,
angelogioacchino.delregno@...labora.com, neil.armstrong@...aro.org,
guilherme.gallo@...labora.com, linux-kernel@...r.kernel.org,
tzimmermann@...e.de
Subject: Re: [PATCH 2/6] drm: ci: Force db410c to host mode
Hi Helen,
On Fri, Aug 25, 2023 at 03:09:04PM +0100, Helen Mae Koike Fornazier wrote:
> Hi Jani, thanks for your comments
>
> On Friday, August 25, 2023 10:56 -03, Jani Nikula <jani.nikula@...ux.intel.com> wrote:
>
> > On Fri, 25 Aug 2023, Vignesh Raman <vignesh.raman@...labora.com> wrote:
> > > Force db410c to host mode to fix network issue which results in failure
> > > to mount root fs via NFS.
> > > See https://gitlab.freedesktop.org/gfx-ci/linux/-/commit/cb72a629b8c15c80a54dda510743cefd1c4b65b8
> > >
> > > Since this fix is not sent upstream, add it to build.sh script
> > > before building the kernel and dts. Better approach would be
> > > to use devicetree overlays.
> > >
> > > Signed-off-by: Vignesh Raman <vignesh.raman@...labora.com>
> > > ---
> > > drivers/gpu/drm/ci/build.sh | 4 ++++
> > > 1 file changed, 4 insertions(+)
> > >
> > > diff --git a/drivers/gpu/drm/ci/build.sh b/drivers/gpu/drm/ci/build.sh
> > > index 7b014287a041..c39834bd6bd7 100644
> > > --- a/drivers/gpu/drm/ci/build.sh
> > > +++ b/drivers/gpu/drm/ci/build.sh
> > > @@ -70,6 +70,10 @@ if [ -z "$CI_MERGE_REQUEST_PROJECT_PATH" ]; then
> > > fi
> > > fi
> > >
> > > +# Force db410c to host mode to fix network issue which results in failure to mount root fs via NFS.
> > > +# See https://gitlab.freedesktop.org/gfx-ci/linux/-/commit/cb72a629b8c15c80a54dda510743cefd1c4b65b8
> > > +sed -i '/&usb {/,/status = "okay";/s/status = "okay";/&\n\tdr_mode = "host";/' arch/arm64/boot/dts/qcom/apq8016-sbc.dts
> > > +
> >
> > It seems like a really bad idea to me to have the CI build modify the
> > source tree before building.
> >
> > The kernel being built will have a dirty git repo, and the localversion
> > will have -dirty in it.
>
> Is it bad?
>
> The other option was to work with device tree overlays (but we still
> need to spend some time to see how to fit it all together)
That would be much better. libfdt provides an fdtoverlay command to
merge a base device tree with an overlay.
Do that while setting up the DUT and you're done :)
Maxime
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