Messages in this thread | | | Subject | Re: [PATCH v1 2/2] drivers/gpu/drm: don't select DMA_CMA or CMA from aspeed or etnaviv | From | David Hildenbrand <> | Date | Thu, 8 Apr 2021 11:57:31 +0200 |
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On 08.04.21 11:56, Mike Rapoport wrote: > On Thu, Apr 08, 2021 at 11:20:11AM +0200, David Hildenbrand wrote: >> Random drivers should not override a user configuration of core knobs >> (e.g., CONFIG_DMA_CMA=n). Use "imply" instead, to still respect >> dependencies and manual overrides. >> >> "This is similar to "select" as it enforces a lower limit on another >> symbol except that the "implied" symbol's value may still be set to n >> from a direct dependency or with a visible prompt." >> >> Implying DRM_CMA should be sufficient, as that depends on CMA. > > ^ DMA_CMA >> >> Note: If this is a real dependency, we should use "depends on DMA_CMA" >> instead - but I assume the driver can work without CMA just fine -- >> esp. when we wouldn't have HAVE_DMA_CONTIGUOUS right now. >> >> Signed-off-by: David Hildenbrand <david@redhat.com> >> --- >> drivers/gpu/drm/aspeed/Kconfig | 3 +-- >> drivers/gpu/drm/etnaviv/Kconfig | 3 +-- >> 2 files changed, 2 insertions(+), 4 deletions(-) >> >> diff --git a/drivers/gpu/drm/aspeed/Kconfig b/drivers/gpu/drm/aspeed/Kconfig >> index 5e95bcea43e9..a055f763d230 100644 >> --- a/drivers/gpu/drm/aspeed/Kconfig >> +++ b/drivers/gpu/drm/aspeed/Kconfig >> @@ -6,9 +6,8 @@ config DRM_ASPEED_GFX >> depends on MMU >> select DRM_KMS_HELPER >> select DRM_KMS_CMA_HELPER >> - select DMA_CMA if HAVE_DMA_CONTIGUOUS >> - select CMA if HAVE_DMA_CONTIGUOUS >> select MFD_SYSCON >> + imply DRM_CMA > > Ditto
Gah, thanks!
-- Thanks,
David / dhildenb
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