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i-g-t: check whether kernel has dual bsd ring

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v2: change the number to be consistent with upstream (Zhipeng)

Signed-off-by: Zhipeng Gong <zhipeng.gong@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Zhipeng Gong 2015-01-13 08:50:19 +08:00 committed by Daniel Vetter
parent 5e9fac5491
commit 17937a0114
2 changed files with 17 additions and 0 deletions
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16
lib/ioctl_wrappers.c
View File

@ -854,6 +854,22 @@ bool gem_has_vebox(int fd)
return gem_has_enable_ring(fd,LOCAL_I915_PARAM_HAS_VEBOX);
}
#define LOCAL_I915_PARAM_HAS_BSD2 31
/**
* gem_has_bsd2:
* @fd: open i915 drm file descriptor
*
* Feature test macro to query whether the BSD2 ring is available. This is simply
* a specific version of gem_has_enable_ring() for the BSD2 ring.
*
* Note that recent Bspec calls this the VCS ring for Video Command Submission.
*
* Returns: Whether the BSD ring is avaible or not.
*/
bool gem_has_bsd2(int fd)
{
return gem_has_enable_ring(fd,LOCAL_I915_PARAM_HAS_BSD2);
}
/**
* gem_available_aperture_size:
* @fd: open i915 drm file descriptor

1
lib/ioctl_wrappers.h
View File

@ -89,6 +89,7 @@ bool gem_has_enable_ring(int fd,int param);
bool gem_has_bsd(int fd);
bool gem_has_blt(int fd);
bool gem_has_vebox(int fd);
bool gem_has_bsd2(int fd);
bool gem_uses_aliasing_ppgtt(int fd);
int gem_available_fences(int fd);
uint64_t gem_available_aperture_size(int fd);