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radeonsi: use ACO on GFX11.5 with LLVM 18 or older to work around GPU hangs

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Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30904>
This commit is contained in:
Marek Olšák
2024-09-15 09:37:47 -04:00
committed by Marge Bot
parent 1c156f7fa9
commit a7cb1433e3
1 changed files with 7 additions and 1 deletions
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src/gallium/drivers/radeonsi/si_pipe.c
+7 -1
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@@ -1185,7 +1185,13 @@ static struct pipe_screen *radeonsi_screen_create_impl(struct radeon_winsys *ws,
sscreen->info.register_shadowing_required = true;
#if AMD_LLVM_AVAILABLE
sscreen->use_aco = (sscreen->debug_flags & DBG(USE_ACO));
/* For GFX11.5, LLVM < 19 is missing a workaround that can cause GPU hangs. ACO is the only
* alternative that has the workaround and is always available.
*/
if (sscreen->info.gfx_level == GFX11_5 && LLVM_VERSION_MAJOR < 19)
sscreen->use_aco = true;
else
sscreen->use_aco = (sscreen->debug_flags & DBG(USE_ACO));
#else
sscreen->use_aco = true;
#endif