linux-kernel - Re: [PATCH v2 3/6] drm/ci: build virtual GPU driver as module

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Date: Tue, 21 May 2024 12:39:19 +0530
From: Vignesh Raman <vignesh.raman@...labora.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: dri-devel@...ts.freedesktop.org, daniels@...labora.com,
 helen.koike@...labora.com, airlied@...il.com, daniel@...ll.ch,
 robdclark@...il.com, david.heidelberg@...labora.com,
 guilherme.gallo@...labora.com, sergi.blanch.torne@...labora.com,
 mcanal@...lia.com, linux-mediatek@...ts.infradead.org,
 linux-amlogic@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 amd-gfx@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
 intel-gfx@...ts.freedesktop.org, virtualization@...ts.linux-foundation.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/6] drm/ci: build virtual GPU driver as module

Hi Dmitry,

On 20/05/24 16:32, Dmitry Baryshkov wrote:
> On Fri, May 17, 2024 at 02:54:59PM +0530, Vignesh Raman wrote:
>> With latest IGT, the tests tries to load the module and it
>> fails. So build the virtual GPU driver for virtio as module.
> 
> Why? If the test fails on module loading (if the driver is built-in)
> then it's the test that needs to be fixed, not the kerenel config.
> 
> It's fine as a temporal workaround, but please include a link to the
> patch posted to fix the issue.

I will recheck this issue and post a link to the fix.

Regards,
Vignesh

> 
>>
>> Signed-off-by: Vignesh Raman <vignesh.raman@...labora.com>
>> ---
>>
>> v2:
>>    - No changes.
>>
>> ---
>>   drivers/gpu/drm/ci/build.sh       | 1 -
>>   drivers/gpu/drm/ci/igt_runner.sh  | 6 +++---
>>   drivers/gpu/drm/ci/image-tags.yml | 4 ++--
>>   drivers/gpu/drm/ci/test.yml       | 1 +
>>   drivers/gpu/drm/ci/x86_64.config  | 2 +-
>>   5 files changed, 7 insertions(+), 7 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/ci/build.sh b/drivers/gpu/drm/ci/build.sh
>> index a67871fdcd3f..e938074ac8e7 100644
>> --- a/drivers/gpu/drm/ci/build.sh
>> +++ b/drivers/gpu/drm/ci/build.sh
>> @@ -157,7 +157,6 @@ fi
>>   
>>   mkdir -p artifacts/install/lib
>>   mv install/* artifacts/install/.
>> -rm -rf artifacts/install/modules
>>   ln -s common artifacts/install/ci-common
>>   cp .config artifacts/${CI_JOB_NAME}_config
>>   
>> diff --git a/drivers/gpu/drm/ci/igt_runner.sh b/drivers/gpu/drm/ci/igt_runner.sh
>> index 20026612a9bd..55532f79fbdc 100755
>> --- a/drivers/gpu/drm/ci/igt_runner.sh
>> +++ b/drivers/gpu/drm/ci/igt_runner.sh
>> @@ -30,10 +30,10 @@ case "$DRIVER_NAME" in
>>               export IGT_FORCE_DRIVER="panfrost"
>>           fi
>>           ;;
>> -    amdgpu)
>> +    amdgpu|virtio_gpu)
>>           # Cannot use HWCI_KERNEL_MODULES as at that point we don't have the module in /lib
>> -        mv /install/modules/lib/modules/* /lib/modules/.
>> -        modprobe amdgpu
>> +        mv /install/modules/lib/modules/* /lib/modules/. || true
>> +        modprobe --first-time $DRIVER_NAME
>>           ;;
>>   esac
>>   
>> diff --git a/drivers/gpu/drm/ci/image-tags.yml b/drivers/gpu/drm/ci/image-tags.yml
>> index 60323ebc7304..328f5c560742 100644
>> --- a/drivers/gpu/drm/ci/image-tags.yml
>> +++ b/drivers/gpu/drm/ci/image-tags.yml
>> @@ -4,9 +4,9 @@ variables:
>>      DEBIAN_BASE_TAG: "${CONTAINER_TAG}"
>>   
>>      DEBIAN_X86_64_BUILD_IMAGE_PATH: "debian/x86_64_build"
>> -   DEBIAN_BUILD_TAG: "2023-10-08-config"
>> +   DEBIAN_BUILD_TAG: "2024-05-09-virtio"
>>   
>> -   KERNEL_ROOTFS_TAG: "2023-10-06-amd"
>> +   KERNEL_ROOTFS_TAG: "2024-05-09-virtio"
>>   
>>      DEBIAN_X86_64_TEST_BASE_IMAGE: "debian/x86_64_test-base"
>>      DEBIAN_X86_64_TEST_IMAGE_GL_PATH: "debian/x86_64_test-gl"
>> diff --git a/drivers/gpu/drm/ci/test.yml b/drivers/gpu/drm/ci/test.yml
>> index 612c9ede3507..864ac3809d84 100644
>> --- a/drivers/gpu/drm/ci/test.yml
>> +++ b/drivers/gpu/drm/ci/test.yml
>> @@ -350,6 +350,7 @@ virtio_gpu:none:
>>     script:
>>       - ln -sf $CI_PROJECT_DIR/install /install
>>       - mv install/bzImage /lava-files/bzImage
>> +    - mkdir -p /lib/modules
> 
> Is it necessary to create it manually here?
> 
>>       - mkdir -p $CI_PROJECT_DIR/results
>>       - ln -sf $CI_PROJECT_DIR/results /results
>>       - install/crosvm-runner.sh install/igt_runner.sh
>> diff --git a/drivers/gpu/drm/ci/x86_64.config b/drivers/gpu/drm/ci/x86_64.config
>> index 1cbd49a5b23a..78479f063e8e 100644
>> --- a/drivers/gpu/drm/ci/x86_64.config
>> +++ b/drivers/gpu/drm/ci/x86_64.config
>> @@ -91,7 +91,7 @@ CONFIG_KVM=y
>>   CONFIG_KVM_GUEST=y
>>   CONFIG_VIRT_DRIVERS=y
>>   CONFIG_VIRTIO_FS=y
>> -CONFIG_DRM_VIRTIO_GPU=y
>> +CONFIG_DRM_VIRTIO_GPU=m
>>   CONFIG_SERIAL_8250_CONSOLE=y
>>   CONFIG_VIRTIO_NET=y
>>   CONFIG_VIRTIO_CONSOLE=y
>> -- 
>> 2.40.1
>>
>