From: Marek Olšák <marek.ol...@amd.com>
otherwise there is corruption in most apps.
Fixes: 0fe0320 radeonsi: use optimal packet order when doing a pipeline sync
---
src/gallium/drivers/radeonsi/si_state_draw.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c
b/src/gallium/drivers/radeonsi/si_state_draw.c
index 23e9778..deb0691 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -1361,25 +1361,29 @@ void si_draw_vbo(struct pipe_context *ctx, const struct
pipe_draw_info *info)
si_need_cs_space(sctx);
/* Since we've called r600_context_add_resource_size for vertex buffers,
* this must be called after si_need_cs_space, because we must let
* need_cs_space flush before we add buffers to the buffer list.
*/
if (!si_upload_vertex_buffer_descriptors(sctx))
return;
- /* GFX9 scissor bug workaround. There is also a more efficient but
- * more involved alternative workaround. */
+ /* GFX9 scissor bug workaround. This must be done before VPORT scissor
+ * registers are changed. There is also a more efficient but more
+ * involved alternative workaround.
+ */
if (sctx->b.chip_class == GFX9 &&
- si_is_atom_dirty(sctx, &sctx->b.scissors.atom))
+ si_is_atom_dirty(sctx, &sctx->b.scissors.atom)) {
sctx->b.flags |= SI_CONTEXT_PS_PARTIAL_FLUSH;
+ si_emit_cache_flush(sctx);
+ }
/* Use optimal packet order based on whether we need to sync the
pipeline. */
if (unlikely(sctx->b.flags & (SI_CONTEXT_FLUSH_AND_INV_CB |
SI_CONTEXT_FLUSH_AND_INV_DB |
SI_CONTEXT_PS_PARTIAL_FLUSH |
SI_CONTEXT_CS_PARTIAL_FLUSH))) {
/* If we have to wait for idle, set all states first, so that
all
* SET packets are processed in parallel with previous draw
calls.
* Then upload descriptors, set shader pointers, and draw, and
* prefetch at the end. This ensures that the time the CUs
--
2.7.4
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev
