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drm/amd/display: Enable gcov coverage for amdgpu_dm KUnit builds

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[Why & How]
Add GCOV_PROFILE := y to amdgpu_dm/Makefile under the
CONFIG_DRM_AMD_DC_KUNIT_TEST guard so coverage instrumentation
is only applied during KUnit builds, not all amdgpu_dm builds.

Add coverage config options (CONFIG_GCOV, CONFIG_DEBUG_INFO,
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT, CONFIG_DEBUG_KERNEL)
to tests/.kunitconfig so the kunit.py runner enables the kernel
coverage configuration automatically.

Assisted-by: Copilot:Claude-Sonnet-4.6
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Hung 2026-05-04 17:20:44 -06:00 committed by Alex Deucher
parent 51e6668ab4
commit 29480acd8f
2 changed files with 9 additions and 0 deletions
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3
drivers/gpu/drm/amd/display/amdgpu_dm/Makefile
View File

@ -63,4 +63,7 @@ endif
# KUnit tests as separate module
ifneq ($(CONFIG_DRM_AMD_DC_KUNIT_TEST),)
obj-y += $(AMDDALPATH)/amdgpu_dm/tests/
# Enable gcov for amdgpu_dm KUnit builds
GCOV_PROFILE := y
endif

6
drivers/gpu/drm/amd/display/amdgpu_dm/tests/.kunitconfig
View File

@ -12,3 +12,9 @@ CONFIG_HWMON=y
CONFIG_I2C=y
CONFIG_POWER_SUPPLY=y
CONFIG_CRC16=y
# GCOV Coverage - see tools/testing/kunit/configs/coverage_uml.config
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
CONFIG_GCOV=y