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SubjectRe: [PATCH 2/2] drm: add more MMU dependencies
On Wed, Jan 11, 2017 at 03:02:39PM +0100, Lucas Stach wrote:
> Am Mittwoch, den 11.01.2017, 14:33 +0100 schrieb Arnd Bergmann:
> > Many DRM drivers only work with an MMU, and after the patch to enable
> > core DRM support without MMU, we already had one fixup for many of them.
> > The etnaviv, armada and msm drivers were missed and have the same problem:
> >
> > warning: (DRM_ETNAVIV) selects IOMMU_SUPPORT which has unmet direct dependencies (MMU)
> > warning: (DRM_I915 && DRM_MSM && DRM_ETNAVIV) selects SHMEM which has unmet direct dependencies (MMU)
> > drivers/gpu/drm/armada/armada_gem.o: In function `armada_gem_vm_fault':
> > armada_gem.c:(.text.armada_gem_vm_fault+0x14): undefined reference to `vm_insert_pfn'
> > arch/arm/mm/dma-mapping.c: In function '__iommu_alloc_remap':
> > arch/arm/mm/dma-mapping.c:1390:4: error: 'VM_ARM_DMA_CONSISTENT' undeclared (first use in this function)
> > arch/arm/mm/dma-mapping.c:1456:31: error: 'atomic_pool' undeclared (first use in this function); did you mean 'atomic_xor'?
> >
> > Fixes: 011cda589938 ("drm: fix compilations issues introduced by "drm: allow to use mmuless SoC"")
> > Fixes: 62a0d98a188c ("drm: allow to use mmuless SoC")
> > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
>
> Acked-by: Lucas Stach <l.stach@pengutronix.de>

Applied to drm-misc, thanks.
-Daniel

>
> > ---
> > drivers/gpu/drm/armada/Kconfig | 2 +-
> > drivers/gpu/drm/etnaviv/Kconfig | 1 +
> > drivers/gpu/drm/msm/Kconfig | 1 +
> > 3 files changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/armada/Kconfig b/drivers/gpu/drm/armada/Kconfig
> > index 15f3ecfb16f1..eafaeeb7b5b1 100644
> > --- a/drivers/gpu/drm/armada/Kconfig
> > +++ b/drivers/gpu/drm/armada/Kconfig
> > @@ -1,6 +1,6 @@
> > config DRM_ARMADA
> > tristate "DRM support for Marvell Armada SoCs"
> > - depends on DRM && HAVE_CLK && ARM
> > + depends on DRM && HAVE_CLK && ARM && MMU
> > select DRM_KMS_HELPER
> > help
> > Support the "LCD" controllers found on the Marvell Armada 510
> > diff --git a/drivers/gpu/drm/etnaviv/Kconfig b/drivers/gpu/drm/etnaviv/Kconfig
> > index 2cde7a5442fb..656c061b439d 100644
> > --- a/drivers/gpu/drm/etnaviv/Kconfig
> > +++ b/drivers/gpu/drm/etnaviv/Kconfig
> > @@ -3,6 +3,7 @@ config DRM_ETNAVIV
> > tristate "ETNAVIV (DRM support for Vivante GPU IP cores)"
> > depends on DRM
> > depends on ARCH_MXC || ARCH_DOVE
> > + depends on MMU
> > select SHMEM
> > select TMPFS
> > select IOMMU_API
> > diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig
> > index d96b2b6898a3..7f78da695dff 100644
> > --- a/drivers/gpu/drm/msm/Kconfig
> > +++ b/drivers/gpu/drm/msm/Kconfig
> > @@ -4,6 +4,7 @@ config DRM_MSM
> > depends on DRM
> > depends on ARCH_QCOM || (ARM && COMPILE_TEST)
> > depends on OF && COMMON_CLK
> > + depends on MMU
> > select REGULATOR
> > select DRM_KMS_HELPER
> > select DRM_PANEL
>
>

--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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