[Mesa-dev] No luck with tstellar/llvm on HD4890

[Andy Furniss]

Vincent Lejeune wrote:
> git seems to have trouble sending my patch to ML atm, can you manually apply it ? It fixes lock up here
>
> diff --git a/src/gallium/drivers/r600/r600_asm.c b/src/gallium/drivers/r600/r600_asm.c
> index 5f2548e..f06af44 100644
> --- a/src/gallium/drivers/r600/r600_asm.c
> +++ b/src/gallium/drivers/r600/r600_asm.c
> @@ -2961,6 +2961,6 @@ void r600_bytecode_export_read(struct r600_bytecode_output *output, uint32_t wor
>   output->swizzle_w = G_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_W(word1);
>   output->burst_count = G_SQ_CF_ALLOC_EXPORT_WORD1_BURST_COUNT(word1);
>   output->end_of_program = G_SQ_CF_ALLOC_EXPORT_WORD1_END_OF_PROGRAM(word1);
> -output->inst = EG_S_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(G_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(word1));
> +output->inst = R600_S_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(G_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(word1));
>   output->barrier = G_SQ_CF_ALLOC_EXPORT_WORD1_BARRIER(word1);
>   }
> --

This helps - on mesa head, demos/openarena/nexuiz run OK (nexuiz 
stutters a bit initially compared to R600_LLVM=0, but then I am running 
a debug build of llvm).

etqw now locks GPU as soon as it loads when using llvm.