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1d0a26cf37
Add a Kconfig option to enable GCOV code coverage profiling for the amdgpu driver, following the established upstream pattern used by CONFIG_GCOV_PROFILE_FTRACE (kernel/trace), CONFIG_GCOV_PROFILE_RDS (net/rds), and CONFIG_GCOV_PROFILE_URING (io_uring). This allows CI systems to enable amdgpu code coverage entirely via .config (e.g., scripts/config --enable GCOV_PROFILE_AMDGPU) without manually editing the amdgpu Makefile. The option depends on both DRM_AMDGPU and GCOV_KERNEL, defaults to n, and is therefore never enabled in production or distro builds. Cc: Christian König <christian.koenig@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
126 lines
3.6 KiB
Plaintext
126 lines
3.6 KiB
Plaintext
# SPDX-License-Identifier: MIT
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config DRM_AMDGPU
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tristate "AMD GPU"
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depends on DRM && PCI
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depends on !UML
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select FW_LOADER
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select DRM_CLIENT
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select DRM_CLIENT_SELECTION
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select DRM_DISPLAY_DP_HELPER
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select DRM_DISPLAY_DSC_HELPER
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select DRM_DISPLAY_HDMI_HELPER
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select DRM_DISPLAY_HDCP_HELPER
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select DRM_DISPLAY_HELPER
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select DRM_KMS_HELPER
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select DRM_SCHED
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select DRM_TTM
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select DRM_TTM_HELPER
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select POWER_SUPPLY
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select HWMON
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select I2C
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select I2C_ALGOBIT
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select CRC16
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select BACKLIGHT_CLASS_DEVICE
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select INTERVAL_TREE
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select DRM_BUDDY
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select DRM_SUBALLOC_HELPER
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select DRM_EXEC
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select DRM_PANEL_BACKLIGHT_QUIRKS
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# amdgpu depends on ACPI_VIDEO when ACPI is enabled, for select to work
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# ACPI_VIDEO's dependencies must also be selected.
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select INPUT if ACPI
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select ACPI_VIDEO if ACPI
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# On x86 ACPI_VIDEO also needs ACPI_WMI
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select X86_PLATFORM_DEVICES if ACPI && X86
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select ACPI_WMI if ACPI && X86
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help
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Choose this option if you have a recent AMD Radeon graphics card.
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If M is selected, the module will be called amdgpu.
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config DRM_AMDGPU_SI
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bool "Enable amdgpu support for SI parts"
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depends on DRM_AMDGPU
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help
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Choose this option if you want to enable support
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for SI (Southern Islands) asics.
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SI (Southern Islands) are first generation GCN GPUs,
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supported by both drivers: radeon (old) and amdgpu (new).
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By default, SI dedicated GPUs are supported by amdgpu.
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Use module options to override this:
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To use radeon for SI,
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radeon.si_support=1 amdgpu.si_support=0
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config DRM_AMDGPU_CIK
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bool "Enable amdgpu support for CIK parts"
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depends on DRM_AMDGPU
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help
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Choose this option if you want to enable support for CIK (Sea
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Islands) asics.
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CIK (Sea Islands) are second generation GCN GPUs,
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supported by both drivers: radeon (old) and amdgpu (new).
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By default,
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CIK dedicated GPUs are supported by amdgpu
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CIK APUs are supported by radeon
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Use module options to override this:
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To use amdgpu for CIK,
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radeon.cik_support=0 amdgpu.cik_support=1
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To use radeon for CIK,
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radeon.cik_support=1 amdgpu.cik_support=0
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config DRM_AMDGPU_USERPTR
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bool "Always enable userptr write support"
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depends on DRM_AMDGPU
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select HMM_MIRROR
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select MMU_NOTIFIER
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help
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This option selects CONFIG_HMM and CONFIG_HMM_MIRROR if it
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isn't already selected to enabled full userptr support.
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config DRM_AMD_ISP
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bool "Enable AMD Image Signal Processor IP support"
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depends on DRM_AMDGPU && ACPI
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select MFD_CORE
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select PM_GENERIC_DOMAINS if PM
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help
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Choose this option to enable ISP IP support for AMD SOCs.
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This adds the ISP (Image Signal Processor) IP driver and wires
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it up into the amdgpu driver. It is required for cameras
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on APUs which utilize mipi cameras.
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config DRM_AMDGPU_WERROR
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bool "Force the compiler to throw an error instead of a warning when compiling"
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depends on DRM_AMDGPU
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depends on EXPERT
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depends on !COMPILE_TEST
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default n
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help
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Add -Werror to the build flags for amdgpu.ko.
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Only enable this if you are warning code for amdgpu.ko.
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config GCOV_PROFILE_AMDGPU
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bool "Enable GCOV profiling on amdgpu"
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depends on DRM_AMDGPU
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depends on GCOV_KERNEL
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default n
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help
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Enable GCOV profiling on the amdgpu driver for checking which
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functions/lines are executed during testing. This adds compiler
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instrumentation flags to all amdgpu source files, producing
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.gcda/.gcno coverage data accessible via debugfs.
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This increases the amdgpu module size by ~50% and adds ~2-5%
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runtime overhead on GPU submission paths.
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If unsure, say N.
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source "drivers/gpu/drm/amd/acp/Kconfig"
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source "drivers/gpu/drm/amd/display/Kconfig"
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source "drivers/gpu/drm/amd/amdkfd/Kconfig"
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