nouveau: avoid running out of relocs

- Added flush notify functions for NV30 and NV40.
- Flushing mid frame will call flush notify, which will resubmit all
relocs.
- We don't try to recover from reloc failure yet.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/gallium/drivers/nv50/nv50_surface.c b/src/gallium/drivers/nv50/nv50_surface.c
index 6bf6f773b0c..79655fc08d5 100644
--- a/src/gallium/drivers/nv50/nv50_surface.c
+++ b/src/gallium/drivers/nv50/nv50_surface.c
@@ -62,6 +62,7 @@ nv50_surface_set(struct nv50_screen *screen, struct pipe_surface *ps, int dst)
  		return 1;
 
  	if (!bo->tile_flags) {
+		MARK_RING (chan, 9, 2); /* flush on lack of space or relocs */
  		BEGIN_RING(chan, eng2d, mthd, 2);
  		OUT_RING  (chan, format);
  		OUT_RING  (chan, 1);
@@ -72,6 +73,7 @@ nv50_surface_set(struct nv50_screen *screen, struct pipe_surface *ps, int dst)
  		OUT_RELOCh(chan, bo, ps->offset, flags);
  		OUT_RELOCl(chan, bo, ps->offset, flags);
  	} else {
+		MARK_RING (chan, 11, 2); /* flush on lack of space or relocs */
  		BEGIN_RING(chan, eng2d, mthd, 5);
  		OUT_RING  (chan, format);
  		OUT_RING  (chan, 0);