linux-kernel - Re: [PATCH v3 02/20] drm/tests: Introduce a config option for the KUnit helpers

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Message-ID: <35023956-d838-55af-63c2-e679a78a27eb@igalia.com>
Date:   Wed, 7 Dec 2022 10:57:34 -0300
From:   Maíra Canal <mcanal@...lia.com>
To:     Maxime Ripard <maxime@...no.tech>,
        Maxime Ripard <mripard@...nel.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>
Cc:     David Gow <davidgow@...gle.com>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Maíra Canal <mcanal@...lia.com>,
        Javier Martinez Canillas <javierm@...hat.com>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linaro-mm-sig@...ts.linaro.org,
        Brendan Higgins <brendan.higgins@...ux.dev>,
        linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com,
        linux-media@...r.kernel.org
Subject: Re: [PATCH v3 02/20] drm/tests: Introduce a config option for the
 KUnit helpers

On 12/1/22 12:11, Maxime Ripard wrote:
> Driver-specific tests will need access to the helpers without pulling
> every DRM framework test. Let's create an intermediate Kconfig options
> for the helpers.
> 
> Suggested-by: Maíra Canal <mcanal@...lia.com>
> Signed-off-by: Maxime Ripard <maxime@...no.tech>

Reviewed-by: Maíra Canal <mcanal@...lia.com>

Best Regards,
- Maíra Canal

> ---
>   drivers/gpu/drm/Kconfig        | 7 +++++++
>   drivers/gpu/drm/Makefile       | 2 +-
>   drivers/gpu/drm/tests/Makefile | 4 +++-
>   3 files changed, 11 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
> index 315cbdf61979..9f019cd053e1 100644
> --- a/drivers/gpu/drm/Kconfig
> +++ b/drivers/gpu/drm/Kconfig
> @@ -63,6 +63,12 @@ config DRM_USE_DYNAMIC_DEBUG
>   	  bytes per callsite, the .data costs can be substantial, and
>   	  are therefore configurable.
>   
> +config DRM_KUNIT_TEST_HELPERS
> +	tristate
> +	depends on DRM && KUNIT
> +	help
> +	  KUnit Helpers for KMS drivers.
> +
>   config DRM_KUNIT_TEST
>   	tristate "KUnit tests for DRM" if !KUNIT_ALL_TESTS
>   	depends on DRM && KUNIT
> @@ -73,6 +79,7 @@ config DRM_KUNIT_TEST
>   	select DRM_KMS_HELPER
>   	select DRM_BUDDY
>   	select DRM_EXPORT_FOR_TESTS if m
> +	select DRM_KUNIT_TEST_HELPERS
>   	default KUNIT_ALL_TESTS
>   	help
>   	  This builds unit tests for DRM. This option is not useful for
> diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
> index f92cd7892711..8d61fbdfdfac 100644
> --- a/drivers/gpu/drm/Makefile
> +++ b/drivers/gpu/drm/Makefile
> @@ -125,7 +125,7 @@ obj-$(CONFIG_DRM_KMS_HELPER) += drm_kms_helper.o
>   # Drivers and the rest
>   #
>   
> -obj-$(CONFIG_DRM_KUNIT_TEST) += tests/
> +obj-y			+= tests/
>   
>   obj-$(CONFIG_DRM_MIPI_DBI) += drm_mipi_dbi.o
>   obj-$(CONFIG_DRM_MIPI_DSI) += drm_mipi_dsi.o
> diff --git a/drivers/gpu/drm/tests/Makefile b/drivers/gpu/drm/tests/Makefile
> index 94fe546d937d..ef14bd481139 100644
> --- a/drivers/gpu/drm/tests/Makefile
> +++ b/drivers/gpu/drm/tests/Makefile
> @@ -1,5 +1,8 @@
>   # SPDX-License-Identifier: GPL-2.0
>   
> +obj-$(CONFIG_DRM_KUNIT_TEST_HELPERS) += \
> +	drm_kunit_helpers.o
> +
>   obj-$(CONFIG_DRM_KUNIT_TEST) += \
>   	drm_buddy_test.o \
>   	drm_cmdline_parser_test.o \
> @@ -9,7 +12,6 @@ obj-$(CONFIG_DRM_KUNIT_TEST) += \
>   	drm_format_helper_test.o \
>   	drm_format_test.o \
>   	drm_framebuffer_test.o \
> -	drm_kunit_helpers.o \
>   	drm_mm_test.o \
>   	drm_modes_test.o \
>   	drm_plane_helper_test.o \
>