drm/radeon: sync all BOs involved in a CS v2

Not just the userspace relocs, otherwise we won't wait
for a swapped out page tables to be swapped in again.

v2: rebased on Alex current drm-fixes-3.18

Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index a3e7aed..6f377de 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -251,22 +251,19 @@ static int radeon_cs_get_ring(struct radeon_cs_parser *p, u32 ring, s32 priority
 
 static int radeon_cs_sync_rings(struct radeon_cs_parser *p)
 {
-       int i, r = 0;
+       struct radeon_cs_reloc *reloc;
+       int r;
 
-       for (i = 0; i < p->nrelocs; i++) {
+       list_for_each_entry(reloc, &p->validated, tv.head) {
                struct reservation_object *resv;
 
-               if (!p->relocs[i].robj)
-                       continue;
-
-               resv = p->relocs[i].robj->tbo.resv;
+               resv = reloc->robj->tbo.resv;
                r = radeon_semaphore_sync_resv(p->rdev, p->ib.semaphore, resv,
-                                              p->relocs[i].tv.shared);
-
+                                              reloc->tv.shared);
                if (r)
-                       break;
+                       return r;
        }
-       return r;
+       return 0;
 }
 
 /* XXX: note that this is called from the legacy UMS CS ioctl as well */