linux-kernel - [PATCH 2/6] drm: ci: Force db410c to host mode

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Message-Id: <20230825122435.316272-3-vignesh.raman@collabora.com>
Date:   Fri, 25 Aug 2023 17:54:31 +0530
From:   Vignesh Raman <vignesh.raman@...labora.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     helen.koike@...labora.com, guilherme.gallo@...labora.com,
        sergi.blanch.torne@...labora.com, david.heidelberg@...labora.com,
        daniels@...labora.com, emma@...olt.net, robclark@...edesktop.org,
        gustavo.padovan@...labora.com, robdclark@...gle.com,
        anholt@...gle.com, maarten.lankhorst@...ux.intel.com,
        mripard@...nel.org, tzimmermann@...e.de, airlied@...il.com,
        daniel@...ll.ch, corbet@....net, matthias.bgg@...il.com,
        angelogioacchino.delregno@...labora.com, neil.armstrong@...aro.org,
        khilman@...libre.com, jbrunet@...libre.com,
        martin.blumenstingl@...glemail.com, heiko@...ech.de,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org
Subject: [PATCH 2/6] drm: ci: Force db410c to host mode

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
+
 for opt in $ENABLE_KCONFIGS; do
   echo CONFIG_$opt=y >> drivers/gpu/drm/ci/${KERNEL_ARCH}.config
 done
-- 
2.40.1