Re: [PATCH -next] drm/vc4: Add dependency on HAVE_DMA_ATTRS, and select DRM_GEM_CMA_HELPER

From	Eric Anholt <eric@anholt.net>
Newsgroups	linux.kernel
Subject	Re: [PATCH -next] drm/vc4: Add dependency on HAVE_DMA_ATTRS, and select DRM_GEM_CMA_HELPER
Date	2015-11-03 00:50 +0100
Message-ID	<qqx1o-3iZ-3@gated-at.bofh.it> (permalink)
References	<qqbke-6S5-15@gated-at.bofh.it>
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Guenter Roeck <linux@roeck-us.net> writes:

> Avoid the following build errors, seen with m68k:allmodconfig and other
> architectures which do not support HAVE_DMA_ATTRS.
>
> ERROR: "drm_gem_cma_create" [drivers/gpu/drm/vc4/vc4.ko] undefined!
> ERROR: "drm_gem_cma_prime_mmap" [drivers/gpu/drm/vc4/vc4.ko] undefined!
> ERROR: "drm_gem_cma_prime_get_sg_table" [drivers/gpu/drm/vc4/vc4.ko] undefined!
> ERROR: "drm_gem_cma_vm_ops" [drivers/gpu/drm/vc4/vc4.ko] undefined!
> ERROR: "drm_gem_cma_mmap" [drivers/gpu/drm/vc4/vc4.ko] undefined!
> ERROR: "drm_gem_cma_prime_vunmap" [drivers/gpu/drm/vc4/vc4.ko] undefined!
> ERROR: "drm_gem_cma_prime_import_sg_table" [drivers/gpu/drm/vc4/vc4.ko] undefined!
> ERROR: "drm_gem_cma_free_object" [drivers/gpu/drm/vc4/vc4.ko] undefined!
> ERROR: "drm_gem_cma_prime_vmap" [drivers/gpu/drm/vc4/vc4.ko] undefined!
> ERROR: "drm_gem_cma_dumb_map_offset" [drivers/gpu/drm/vc4/vc4.ko] undefined!
> ERROR: "drm_gem_cma_create" [drivers/gpu/drm/drm_kms_helper.ko] undefined!
> ERROR: "drm_gem_cma_describe" [drivers/gpu/drm/drm_kms_helper.ko] undefined!
> ERROR: "drm_gem_cma_free_object" [drivers/gpu/drm/drm_kms_helper.ko] undefined!
>
> Cc: Eric Anholt <eric@anholt.net>
> Fixes: c8b75bca92cb ("drm/vc4: Add KMS support for Raspberry Pi.")
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Thanks for figuring out the Kconfig for this!

Acked-by: Eric Anholt <eric@anholt.net>

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[PATCH -next] drm/vc4: Add dependency on HAVE_DMA_ATTRS, and select DRM_GEM_CMA_HELPER Guenter Roeck <linux@roeck-us.net> - 2015-11-02 01:40 +0100
  Re: [PATCH -next] drm/vc4: Add dependency on HAVE_DMA_ATTRS, and select DRM_GEM_CMA_HELPER Eric Anholt <eric@anholt.net> - 2015-11-03 00:50 +0100

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