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-rw-r--r--src/gallium/drivers/radeonsi/si_get.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_get.c b/src/gallium/drivers/radeonsi/si_get.c
index d4e0eab187d..c31ab43cb42 100644
--- a/src/gallium/drivers/radeonsi/si_get.c
+++ b/src/gallium/drivers/radeonsi/si_get.c
@@ -494,6 +494,15 @@ static int si_get_shader_param(struct pipe_screen* pscreen,
!sscreen->llvm_has_working_vgpr_indexing)
return 0;
+ /* Doing indirect indexing on GFX9 with LLVM 6.0 hangs.
+ * This means we don't support INTERP instructions with
+ * indirect indexing on inputs.
+ */
+ if (shader == PIPE_SHADER_FRAGMENT &&
+ !sscreen->llvm_has_working_vgpr_indexing &&
+ HAVE_LLVM < 0x0700)
+ return 0;
+
/* TCS and TES load inputs directly from LDS or offchip
* memory, so indirect indexing is always supported.
* PS has to support indirect indexing, because we can't