From 42ea0b7b52d78fc923e50a0825859fe079fd8c35 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Tue, 27 Aug 2019 17:39:02 -0400 Subject: [PATCH] radeonsi: only support at most 1024 threads per block LLVM 10 won't support 2048. Reviewed-by: Pierre-Eric Pelloux-Prayer --- src/gallium/drivers/radeonsi/si_get.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/src/gallium/drivers/radeonsi/si_get.c b/src/gallium/drivers/radeonsi/si_get.c index 118301fbf4b..111279674e6 100644 --- a/src/gallium/drivers/radeonsi/si_get.c +++ b/src/gallium/drivers/radeonsi/si_get.c @@ -752,14 +752,8 @@ static unsigned get_max_threads_per_block(struct si_screen *screen, if (ir_type == PIPE_SHADER_IR_NATIVE) return 256; - /* Only 16 waves per thread-group on gfx9. */ - if (screen->info.chip_class >= GFX9) - return 1024; - - /* Up to 40 waves per thread-group on GCN < gfx9. Expose a nice - * round number. - */ - return 2048; + /* LLVM 10 only supports 1024 threads per block. */ + return 1024; } static int si_get_compute_param(struct pipe_screen *screen, -- 2.30.2