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authorJerome Glisse <jglisse@redhat.com>2012-05-09 15:34:44 +0200
committerDave Airlie <airlied@redhat.com>2012-05-09 17:22:12 +0100
commit133f4cb3365ef8e57c4837ffbe15de74684f6e19 (patch)
treedbc18f245d2292cdf97122236e2cf6f2a82df47d
parent4f256e8aa3eda15c11c3cec3ec5336e1fc579cbd (diff)
downloadlinux-next-133f4cb3365ef8e57c4837ffbe15de74684f6e19.tar.gz
drm/radeon: fix possible lack of synchronization btw ttm and other ring
We need to sync with the GFX ring as ttm might have schedule bo move on it and new command scheduled for other ring need to wait for bo data to be in place. Signed-off-by: Jerome Glisse <jglisse@redhat.com> Reviewed by: Christian König <christian.koenig@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r--drivers/gpu/drm/radeon/radeon_cs.c12
-rw-r--r--include/drm/radeon_drm.h1
2 files changed, 6 insertions, 7 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index c66beb1662b5..289b0d786e97 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -122,15 +122,15 @@ static int radeon_cs_sync_rings(struct radeon_cs_parser *p)
int i, r;
for (i = 0; i < p->nrelocs; i++) {
+ struct radeon_fence *fence;
+
if (!p->relocs[i].robj || !p->relocs[i].robj->tbo.sync_obj)
continue;
- if (!(p->relocs[i].flags & RADEON_RELOC_DONT_SYNC)) {
- struct radeon_fence *fence = p->relocs[i].robj->tbo.sync_obj;
- if (fence->ring != p->ring && !radeon_fence_signaled(fence)) {
- sync_to_ring[fence->ring] = true;
- need_sync = true;
- }
+ fence = p->relocs[i].robj->tbo.sync_obj;
+ if (fence->ring != p->ring && !radeon_fence_signaled(fence)) {
+ sync_to_ring[fence->ring] = true;
+ need_sync = true;
}
}
diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h
index 7c491b4bcf65..58056865b8e9 100644
--- a/include/drm/radeon_drm.h
+++ b/include/drm/radeon_drm.h
@@ -926,7 +926,6 @@ struct drm_radeon_cs_chunk {
};
/* drm_radeon_cs_reloc.flags */
-#define RADEON_RELOC_DONT_SYNC 0x01
struct drm_radeon_cs_reloc {
uint32_t handle;