Signed-off-by: Zhipeng Gong <zhipeng.gong@xxxxxxxxx>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Tested-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
---
lib/ioctl_wrappers.c | 16 ++++++++++++++++
lib/ioctl_wrappers.h | 1 +
2 files changed, 17 insertions(+)
diff --git a/lib/ioctl_wrappers.c b/lib/ioctl_wrappers.c
index 56280b6..ad746e9 100644
--- a/lib/ioctl_wrappers.c
+++ b/lib/ioctl_wrappers.c
@@ -771,6 +771,22 @@ bool gem_has_vebox(int fd)
return gem_has_enable_ring(fd,LOCAL_I915_PARAM_HAS_VEBOX);
}
+#define LOCAL_I915_PARAM_HAS_BSD2 30
+/**
+ * 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
diff --git a/lib/ioctl_wrappers.h b/lib/ioctl_wrappers.h
index d13408c..46b5c45 100644
--- a/lib/ioctl_wrappers.h
+++ b/lib/ioctl_wrappers.h
@@ -84,6 +84,7 @@ 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);
--
1.8.3.1
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