drm/radeon: Use the ttm execbuf utilities

Rather than re-implementing in the Radeon driver,
Use the execbuf / cs / pushbuf utilities that comes with TTM.
This comes with an even greater benefit now that many spinlocks have been
optimized away...

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 10 insertions, 7 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 6d64a2705f12..35b5eb8fbe2a 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -77,13 +77,13 @@ int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
                         p->relocs_ptr[i] = &p->relocs[i];
                         p->relocs[i].robj = p->relocs[i].gobj->driver_private;
                         p->relocs[i].lobj.bo = p->relocs[i].robj;
-                        p->relocs[i].lobj.rdomain = r->read_domains;
                         p->relocs[i].lobj.wdomain = r->write_domain;
+                        p->relocs[i].lobj.rdomain = r->read_domains;
+                        p->relocs[i].lobj.tv.bo = &p->relocs[i].robj->tbo;
                         p->relocs[i].handle = r->handle;
                         p->relocs[i].flags = r->flags;
-                        INIT_LIST_HEAD(&p->relocs[i].lobj.list);
                         radeon_bo_list_add_object(&p->relocs[i].lobj,
-                                                &p->validated);
+                                                  &p->validated);
                 }
         }
         return radeon_bo_list_validate(&p->validated);
@@ -189,10 +189,13 @@ static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error)
 {
         unsigned i;
 
-        if (!error && parser->ib) {
-                radeon_bo_list_fence(&parser->validated, parser->ib->fence);
-        }
-        radeon_bo_list_unreserve(&parser->validated);
+
+        if (!error && parser->ib)
+                ttm_eu_fence_buffer_objects(&parser->validated,
+                                            parser->ib->fence);
+        else
+                ttm_eu_backoff_reservation(&parser->validated);
+
         if (parser->relocs != NULL) {
                 for (i = 0; i < parser->nrelocs; i++) {
                         if (parser->relocs[i].gobj)