SYNOPSIS

struct sg_table * drm_gem_cma_prime_get_sg_table(struct drm_gem_object * obj);

ARGUMENTS

obj

GEM object

DESCRIPTION

This function exports a scatter/gather table suitable for PRIME usage by calling the standard DMA mapping API. Drivers using the CMA helpers should set this as their DRM driver's ->gem_prime_get_sg_table callback.

RETURNS

A pointer to the scatter/gather table of pinned pages or NULL on failure.

AUTHORS

Jesse Barnes <[email protected]>
Intel Corporation,         
        

Initial version

Laurent Pinchart <[email protected]>
Ideas on board SPRL,         
        

Driver internals

Daniel Vetter <[email protected]>
Intel Corporation,         
        

Contributions all over the place

Lukas Wunner <[email protected]>

vga_switcheroo documentation

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