ci: Enable testing GLES2-3 on a530 (Dragonboard 820c).

Following on from the db410c conversion to baremetal testing, reuse the
same scripts in the same rack to run 7 db820c boards (#4/8 is failing in
the bootloader for unknown reasons).

Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4177>

.gitlab-ci.yml

@@ -161,7 +161,7 @@ arm_build:
     - .fdo.container-ifnot-exists@debian@arm64v8
     - .container
   variables:
-    FDO_DISTRIBUTION_TAG: &arm_build "2020-03-13"
+    FDO_DISTRIBUTION_TAG: &arm_build "2020-03-17-db820c"
 
 .use-arm_build:
   variables:
@@ -713,7 +713,7 @@ arm64_a306_gles2:
     - .use-arm_build
   stage: freedreno
   variables:
-    BM_KERNEL: /lava-files/Image
+    BM_KERNEL: /lava-files/Image.gz
     BM_DTB: /lava-files/apq8016-sbc.dtb
     BM_ROOTFS: /lava-files/rootfs-arm64
     BM_CMDLINE: "ip=dhcp console=ttyMSM0,115200n8"
@@ -736,6 +736,26 @@ arm64_a306_gles2:
   variables:
     DEQP_VER: gles3
 
+arm64_a530_gles2:
+  extends:
+    - arm64_a306_gles2
+  stage: freedreno
+  variables:
+    BM_KERNEL: /lava-files/db820c-kernel
+    BM_DTB: /lava-files/db820c.dtb
+    BM_CMDLINE: "ip=dhcp console=ttyMSM0,115200n8"
+    DEQP_EXPECTED_FAILS: deqp-freedreno-a530-fails.txt
+    DEQP_SKIPS: deqp-freedreno-a530-skips.txt
+  tags:
+    - google-freedreno-db820c
+
+arm64_a530_gles3:
+  extends:
+    - arm64_a530_gles2
+  parallel: 6
+  variables:
+    DEQP_VER: gles3
+
 # RADV CI
 .test-radv:
   extends: .radv-rules

.gitlab-ci/bare-metal/fastboot.sh

@@ -22,7 +22,7 @@ if [ -z "$BM_FASTBOOT_SERIAL" ]; then
 fi
 
 if [ -z "$BM_KERNEL" ]; then
-  echo "Must set BM_KERNEL to your board's kernel Image in the job's variables:"
+  echo "Must set BM_KERNEL to your board's kernel vmlinuz or Image.gz in the job's variables:"
   exit 1
 fi
 
@@ -67,14 +67,14 @@ pushd rootfs
   find -H | cpio -H newc -o | xz --check=crc32 -T4 - > $CI_PROJECT_DIR/rootfs.cpio.gz
 popd
 
-gzip -c $BM_KERNEL > Image.gz
+cat $BM_KERNEL $BM_DTB > Image.gz-dtb
-cat Image.gz $BM_DTB > Image.gz-dtb
+
 abootimg \
   --create artifacts/fastboot.img \
   -k Image.gz-dtb \
   -r rootfs.cpio.gz \
   -c cmdline="$BM_CMDLINE"
-rm Image.gz Image.gz-dtb
+rm Image.gz-dtb
 
 # Start watching serial, and power up the device.
 $BM/serial-buffer.py $BM_SERIAL | tee artifacts/serial-output.txt &

.gitlab-ci/bare-metal/init.sh

@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -ex
+
 mount -t proc none /proc
 mount -t sysfs none /sys
 mount -t devtmpfs none /dev || echo possibly already mounted

.gitlab-ci/container/lava_arm.sh

@@ -68,3 +68,31 @@ set -e
 cp .gitlab-ci/create-rootfs.sh /lava-files/rootfs-${DEBIAN_ARCH}/.
 chroot /lava-files/rootfs-${DEBIAN_ARCH} sh /create-rootfs.sh
 rm /lava-files/rootfs-${DEBIAN_ARCH}/create-rootfs.sh
+
+if [ ${DEBIAN_ARCH} = arm64 ]; then
+    # Pull down a specific build of qcomlt/release/qcomlt-5.4 8c79b3d12355
+    # ("Merge tag 'v5.4.23' into release/qcomlt-5.4"), where I used the
+    # .config from
+    # http://snapshots.linaro.org/96boards/dragonboard820c/linaro/debian/457/config-5.4.0-qcomlt-arm64
+    # with the following merged in:
+    #
+    # CONFIG_DRM=y
+    # CONFIG_DRM_MSM=y
+    # CONFIG_ATL1C=y
+    #
+    # Reason: 5.5 has a big stack of oopses and warns on db820c.  4.14-5.4
+    # linaro kernel binaries (see above .config link) have these as modules
+    # and distributed the modules only in the debian system, not the initrd,
+    # so they're very hard to extract (involving simg2img and loopback
+    # mounting).  4.11 is missing d72fea538fe6 ("drm/msm: Fix the check for
+    # the command size") so it can't actually run fredreno.  qcomlt-4.14 is
+    # unstable at boot (~10% instaboot rate).  The 5.4 qcomlt kernel with msm
+    # built in seems like the easiest way to go.
+    wget https://people.freedesktop.org/~anholt/qcomlt-5.4-msm-build/Image.gz -O Image.gz \
+         -O /lava-files/db820c-kernel
+    wget https://people.freedesktop.org/~anholt/qcomlt-5.4-msm-build/apq8096-db820c.dtb \
+         -O /lava-files/db820c.dtb
+
+    # Make a gzipped copy of the Image for db410c.
+    gzip -k /lava-files/Image
+fi

.gitlab-ci/create-rootfs.sh

@@ -31,8 +31,12 @@ wget https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
 # Strip the image to a small minimal system without removing the debian
 # toolchain.
 
-# xz compress firmware so it doesn't waste RAM at runtime.
+# xz compress firmware so it doesn't waste RAM at runtime.  Except db820c's
-find /lib/firmware -type f -print0 | xargs -0r -P4 -n4 xz -T1 -C crc32
+# GPU firmware, due to using a precompiled kernel without compression support.
+find /lib/firmware -type f -print0 | \
+    grep -vz a530 | \
+    xargs -0r -P4 -n4 xz -T1 -C crc32
+ln -s /lib/firmware/qcom/a530* /lib/firmware/
 
 # Copy timezone file and remove tzdata package
 rm -rf /etc/localtime

.gitlab-ci/deqp-freedreno-a530-skips.txt

@@ -0,0 +1,14 @@
+# Note: skips lists for CI are just a list of lines that, when
+# non-zero-length and not starting with '#', will regex match to
+# delete lines from the test list.  Be careful.
+
+# Skip the perf/stress tests to keep runtime manageable
+dEQP-GLES[0-9]*.performance.*
+dEQP-GLES[0-9]*.stress.*
+
+# These are really slow on tiling architectures (including llvmpipe).
+dEQP-GLES[0-9]*.functional.flush_finish.*
+
+# unstable results (probably related to the iommu faults).
+dEQP-GLES3.functional.texture.filtering.3d.*
+dEQP-GLES3.functional.texture.vertex.3d.filtering.*