drm/radeon/kms: Add support for multi-ring sync in CS ioctl (v2)
Use semaphores to sync buffers across rings in the CS
ioctl. Add a reloc flag to allow userspace to skip
sync for buffers.
agd5f: port to latest CS ioctl changes.
v2: add ring lock/unlock to make sure changes hit the ring.
Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h
index d7079f4..2a807a5 100644
--- a/include/drm/radeon_drm.h
+++ b/include/drm/radeon_drm.h
@@ -917,6 +917,9 @@
uint64_t chunk_data;
};
+/* drm_radeon_cs_reloc.flags */
+#define RADEON_RELOC_DONT_SYNC 0x01
+
struct drm_radeon_cs_reloc {
uint32_t handle;
uint32_t read_domains;