drm/tests: Introduce a config option for the KUnit helpers

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@igalia.com>
Reviewed-by: Maíra Canal <mcanal@igalia.com>
Link: https://lore.kernel.org/r/20221123-rpi-kunit-tests-v3-2-4615a663a84a@cerno.tech
Signed-off-by: Maxime Ripard <maxime@cerno.tech>

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 315cbdf..9f019cd 100644 (file)
--- 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 f92cd78..8d61fbd 100644 (file)
--- 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 94fe546..ef14bd4 100644 (file)
--- 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 \