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lib: add gem_available_aperture_size helper

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Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2013-12-05 15:50:18 +01:00
parent 33ef528490
commit 1a95c710f9
2 changed files with 10 additions and 0 deletions
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9
lib/drmtest.c
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@ -588,6 +588,15 @@ void *gem_mmap__cpu(int fd, uint32_t handle, int size, int prot)
return (void *)(uintptr_t)mmap_arg.addr_ptr;
}
uint64_t gem_available_aperture_size(int fd)
{
struct drm_i915_gem_get_aperture aperture;
aperture.aper_size = 256*1024*1024;
do_ioctl(fd, DRM_IOCTL_I915_GEM_GET_APERTURE, &aperture);
return aperture.aper_available_size;
}
uint64_t gem_aperture_size(int fd)
{
struct drm_i915_gem_get_aperture aperture;

1
lib/drmtest.h
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@ -79,6 +79,7 @@ void *gem_mmap__gtt(int fd, uint32_t handle, int size, int prot);
void *gem_mmap__cpu(int fd, uint32_t handle, int size, int prot);
#define gem_mmap gem_mmap__gtt
uint64_t gem_available_aperture_size(int fd);
uint64_t gem_aperture_size(int fd);
uint64_t gem_mappable_aperture_size(void);
int gem_madvise(int fd, uint32_t handle, int state);