Mesa (master): radeonsi: do VGT_FLUSH when switching NGG -> legacy on Sienna Cichlid
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Wed Nov 18 06:41:16 UTC 2020
Module: Mesa
Branch: master
Commit: c4ebdf9ee7eac7241b5185d7d496e96384a41ecb
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=c4ebdf9ee7eac7241b5185d7d496e96384a41ecb
Author: Marek Olšák <marek.olsak at amd.com>
Date: Mon Nov 9 17:54:44 2020 -0500
radeonsi: do VGT_FLUSH when switching NGG -> legacy on Sienna Cichlid
Other chips don't need this.
Fixes: 9538b9a68ed - radeonsi: add support for Sienna Cichlid
Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer at amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7542>
---
src/gallium/drivers/radeonsi/si_state_shaders.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
index 60441df8418..a83ef01d4fa 100644
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -3032,7 +3032,7 @@ bool si_update_ngg(struct si_context *sctx)
* VGT_FLUSH is also emitted at the beginning of IBs when legacy GS ring
* pointers are set.
*/
- if (sctx->chip_class == GFX10 && !new_ngg)
+ if ((sctx->chip_class == GFX10 || sctx->family == CHIP_SIENNA_CICHLID) && !new_ngg)
sctx->flags |= SI_CONTEXT_VGT_FLUSH;
sctx->ngg = new_ngg;
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