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49b82c389d
The etnaviv driver causes a link failure if it is built-in but THERMAL is built as a module: drivers/gpu/drm/etnaviv/etnaviv_gpu.o: In function `etnaviv_gpu_bind': etnaviv_gpu.c:(.text+0x4c4): undefined reference to `thermal_of_cooling_device_register' etnaviv_gpu.c:(.text+0x600): undefined reference to `thermal_cooling_device_unregister' drivers/gpu/drm/etnaviv/etnaviv_gpu.o: In function `etnaviv_gpu_unbind': etnaviv_gpu.c:(.text+0x2aac): undefined reference to `thermal_cooling_device_unregister' Adding a Kconfig dependency on THERMAL || !THERMAL to avoid this causes a dependency loop on x86_64: drivers/gpu/drm/tve200/Kconfig:1:error: recursive dependency detected! For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" drivers/gpu/drm/tve200/Kconfig:1: symbol DRM_TVE200 depends on CMA For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" mm/Kconfig:489: symbol CMA is selected by DRM_ETNAVIV For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" drivers/gpu/drm/etnaviv/Kconfig:2: symbol DRM_ETNAVIV depends on THERMAL For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" drivers/thermal/Kconfig:5: symbol THERMAL is selected by ACPI_VIDEO For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" drivers/acpi/Kconfig:189: symbol ACPI_VIDEO is selected by BACKLIGHT_CLASS_DEVICE For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" drivers/video/backlight/Kconfig:158: symbol BACKLIGHT_CLASS_DEVICE is selected by DRM_PARADE_PS8622 For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" drivers/gpu/drm/bridge/Kconfig:62: symbol DRM_PARADE_PS8622 depends on DRM_BRIDGE For a resolution refer to Documentation/kbuild/kconfig-language.txt subsection "Kconfig recursive dependency limitations" drivers/gpu/drm/bridge/Kconfig:1: symbol DRM_BRIDGE is selected by DRM_TVE200 To work around this, add a new option DRM_ETNAVIV_THERMAL to optionally enable thermal throttling support and make DRM_ETNAVIV select THERMAL at the same time. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
32 lines
910 B
Plaintext
32 lines
910 B
Plaintext
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config DRM_ETNAVIV
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tristate "ETNAVIV (DRM support for Vivante GPU IP cores)"
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depends on DRM
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depends on ARCH_MXC || ARCH_DOVE || (ARM && COMPILE_TEST)
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depends on MMU
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select SHMEM
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select SYNC_FILE
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select THERMAL if DRM_ETNAVIV_THERMAL
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select TMPFS
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select WANT_DEV_COREDUMP
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select CMA if HAVE_DMA_CONTIGUOUS
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select DMA_CMA if HAVE_DMA_CONTIGUOUS
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help
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DRM driver for Vivante GPUs.
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config DRM_ETNAVIV_THERMAL
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bool "enable ETNAVIV thermal throttling"
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depends on DRM_ETNAVIV
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default y
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help
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Compile in support for thermal throttling.
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Say Y unless you want to risk burning your SoC.
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config DRM_ETNAVIV_REGISTER_LOGGING
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bool "enable ETNAVIV register logging"
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depends on DRM_ETNAVIV
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help
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Compile in support for logging register reads/writes in a format
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that can be parsed by envytools demsm tool. If enabled, register
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logging can be switched on via etnaviv.reglog=y module param.
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