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radv: hardcode the number of waves for the GFX6 LS-HS bug

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It's always 64.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset
2019-10-31 09:35:22 +01:00
parent f010b90ac5
commit d1e1f7c4d5
1 changed files with 1 additions and 1 deletions
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src/amd/vulkan/radv_nir_to_llvm.c
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@@ -190,7 +190,7 @@ get_tcs_num_patches(struct radv_shader_context *ctx)
/* GFX6 bug workaround - limit LS-HS threadgroups to only one wave. */
if (ctx->options->chip_class == GFX6) {
unsigned one_wave = ctx->options->wave_size / MAX2(num_tcs_input_cp, num_tcs_output_cp);
unsigned one_wave = 64 / MAX2(num_tcs_input_cp, num_tcs_output_cp);
num_patches = MIN2(num_patches, one_wave);
}
return num_patches;