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-rw-r--r--src/gallium/winsys/radeon/drm/radeon_drm_cs.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_cs.c b/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
index 186c5bce9ca..7e0f2f98a3b 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
@@ -438,6 +438,10 @@ static void radeon_drm_cs_flush(struct radeon_winsys_cs *rcs, unsigned flags)
struct radeon_drm_cs *cs = radeon_drm_cs(rcs);
struct radeon_cs_context *tmp;
+ if (rcs->cdw > RADEON_MAX_CMDBUF_DWORDS) {
+ fprintf(stderr, "radeon: command stream overflowed\n");
+ }
+
radeon_drm_cs_sync_flush(cs);
/* Flip command streams. */
@@ -445,8 +449,8 @@ static void radeon_drm_cs_flush(struct radeon_winsys_cs *rcs, unsigned flags)
cs->csc = cs->cst;
cs->cst = tmp;
- /* If the CS is not empty, emit it in a separate thread. */
- if (cs->base.cdw) {
+ /* If the CS is not empty or overflowed, emit it in a separate thread. */
+ if (cs->base.cdw && cs->base.cdw <= RADEON_MAX_CMDBUF_DWORDS) {
unsigned i, crelocs = cs->cst->crelocs;
cs->cst->chunks[0].length_dw = cs->base.cdw;