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| author | Marek Olšák <marek.olsak@amd.com> | 2019-08-27 17:39:02 -0400 |
|---|---|---|
| committer | Marek Olšák <marek.olsak@amd.com> | 2019-09-09 23:43:03 -0400 |
| commit | 42ea0b7b52d78fc923e50a0825859fe079fd8c35 (patch) | |
| tree | 9471925cde7cad22f279f787d18247740272a6e8 | |
| parent | c1e08cb6d50cd7ee41478f47d92413a3ba089261 (diff) | |
radeonsi: only support at most 1024 threads per block
LLVM 10 won't support 2048.
Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_get.c | 10 |
1 files 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, |