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radeonsi: disable DFSM on gfx9 by default because it decreases performance a lot

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Cc: mesa-stable@lists.freedesktop.org
Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10813>
This commit is contained in:
Marek Olšák
2021-05-20 05:05:15 -04:00
committed by Marge Bot
parent 2fad90dc4a
commit 56a450e984
1 changed files with 2 additions and 1 deletions
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src/gallium/drivers/radeonsi/si_pipe.c
+2 -1
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@@ -1235,7 +1235,8 @@ static struct pipe_screen *radeonsi_screen_create_impl(struct radeon_winsys *ws,
/* DFSM is not supported on GFX 10.3 and not beneficial on Navi1x. */
} else if (sscreen->info.chip_class == GFX9) {
sscreen->dpbb_allowed = !sscreen->info.has_dedicated_vram;
sscreen->dfsm_allowed = !sscreen->info.has_dedicated_vram;
/* DFSM reduces the Raven2 draw prim rate by ~43%. Disable it. */
sscreen->dfsm_allowed = false;
}
/* Process DPBB enable flags. */