[PATCH libdrm 1/5] new syncobj extension v2

Christian König ckoenig.leichtzumerken at gmail.com
Wed Nov 28 14:50:51 UTC 2018


From: Chunming Zhou <david1.zhou at amd.com>

v2: drop not implemented IOCTLs and flags

Signed-off-by: Chunming Zhou <david1.zhou at amd.com>
Signed-off-by: Christian König <christian.koenig at amd.com>
---
 include/drm/drm.h | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/include/drm/drm.h b/include/drm/drm.h
index 85c685a2..34f1e3f9 100644
--- a/include/drm/drm.h
+++ b/include/drm/drm.h
@@ -731,6 +731,7 @@ struct drm_syncobj_handle {
 
 #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL (1 << 0)
 #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1)
+#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE (1 << 2)
 struct drm_syncobj_wait {
 	__u64 handles;
 	/* absolute timeout */
@@ -741,12 +742,32 @@ struct drm_syncobj_wait {
 	__u32 pad;
 };
 
+struct drm_syncobj_timeline_wait {
+        __u64 handles;
+        /* wait on specific timeline point for every handles*/
+        __u64 points;
+        /* absolute timeout */
+        __s64 timeout_nsec;
+        __u32 count_handles;
+        __u32 flags;
+        __u32 first_signaled; /* only valid when not waiting all */
+        __u32 pad;
+};
+
 struct drm_syncobj_array {
 	__u64 handles;
 	__u32 count_handles;
 	__u32 pad;
 };
 
+struct drm_syncobj_timeline_query {
+        __u64 handles;
+        /* points are timeline syncobjs payloads returned by query ioctl */
+        __u64 points;
+        __u32 count_handles;
+        __u32 pad;
+};
+
 /* Query current scanout sequence number */
 struct drm_crtc_get_sequence {
 	__u32 crtc_id;		/* requested crtc_id */
@@ -903,6 +924,10 @@ extern "C" {
 #define DRM_IOCTL_MODE_GET_LEASE	DRM_IOWR(0xC8, struct drm_mode_get_lease)
 #define DRM_IOCTL_MODE_REVOKE_LEASE	DRM_IOWR(0xC9, struct drm_mode_revoke_lease)
 
+#define DRM_IOCTL_SYNCOBJ_TIMELINE_WAIT DRM_IOWR(0xCA, struct drm_syncobj_timeline_wait)
+#define DRM_IOCTL_SYNCOBJ_QUERY         DRM_IOWR(0xCB, struct drm_syncobj_timeline_query)
+
+
 /**
  * Device specific ioctls should only be in their respective headers
  * The device specific ioctl range is from 0x40 to 0x9f.
-- 
2.14.1



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