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db88c8f4e7
DRM_GEM_CMA_HELPER is depend on HAVE_DMA_ATTRS, or it will break the
building. The related error (with allmodconfig under xtensa):
CC [M] drivers/gpu/drm/drm_gem_cma_helper.o
drivers/gpu/drm/drm_gem_cma_helper.c: In function 'drm_gem_cma_create':
drivers/gpu/drm/drm_gem_cma_helper.c:110:19: error: implicit declaration of function 'dma_alloc_writecombine' [-Werror=implicit-function-declaration]
cma_obj->vaddr = dma_alloc_writecombine(drm->dev, size,
^
drivers/gpu/drm/drm_gem_cma_helper.c:110:17: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
cma_obj->vaddr = dma_alloc_writecombine(drm->dev, size,
^
drivers/gpu/drm/drm_gem_cma_helper.c: In function 'drm_gem_cma_free_object':
drivers/gpu/drm/drm_gem_cma_helper.c:193:3: error: implicit declaration of function 'dma_free_writecombine' [-Werror=implicit-function-declaration]
dma_free_writecombine(gem_obj->dev->dev, cma_obj->base.size,
^
drivers/gpu/drm/drm_gem_cma_helper.c: In function 'drm_gem_cma_mmap_obj':
drivers/gpu/drm/drm_gem_cma_helper.c:330:8: error: implicit declaration of function 'dma_mmap_writecombine' [-Werror=implicit-function-declaration]
ret = dma_mmap_writecombine(cma_obj->base.dev->dev, vma,
^
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
27 lines
805 B
Text
27 lines
805 B
Text
config DRM_RCAR_DU
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tristate "DRM Support for R-Car Display Unit"
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depends on DRM && ARM && HAVE_DMA_ATTRS
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depends on ARCH_SHMOBILE || COMPILE_TEST
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select DRM_KMS_HELPER
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select DRM_KMS_CMA_HELPER
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select DRM_GEM_CMA_HELPER
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select DRM_KMS_FB_HELPER
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select VIDEOMODE_HELPERS
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help
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Choose this option if you have an R-Car chipset.
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If M is selected the module will be called rcar-du-drm.
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config DRM_RCAR_HDMI
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bool "R-Car DU HDMI Encoder Support"
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depends on DRM_RCAR_DU
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depends on OF
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help
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Enable support for external HDMI encoders.
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config DRM_RCAR_LVDS
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bool "R-Car DU LVDS Encoder Support"
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depends on DRM_RCAR_DU
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depends on ARCH_R8A7790 || ARCH_R8A7791 || COMPILE_TEST
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help
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Enable support for the R-Car Display Unit embedded LVDS encoders
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(currently only on R8A7790 and R8A7791).
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