From: Marek Olšák <marek.olsak@amd.com>
Date: Wed, 11 Mar 2020 01:52:42 +0000 (-0400)
Subject: ac: disable late alloc on small gfx10 chips
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=84f97a21a669a42d458d9d8c7f52b65c4af355b5;p=mesa.git

ac: disable late alloc on small gfx10 chips

same as PAL.

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4143>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4143>
---

diff --git a/src/amd/common/ac_gpu_info.c b/src/amd/common/ac_gpu_info.c
index e53a1a15afc..47433ed26f5 100644
--- a/src/amd/common/ac_gpu_info.c
+++ b/src/amd/common/ac_gpu_info.c
@@ -717,7 +717,8 @@ bool ac_query_gpu_info(int fd, void *dev_p,
 		info->num_physical_sgprs_per_simd = 128 * info->max_wave64_per_simd * 2;
 		info->min_sgpr_alloc = 128;
 		info->sgpr_alloc_granularity = 128;
-		info->use_late_alloc = true;
+		/* Don't use late alloc on small chips. */
+		info->use_late_alloc = info->num_render_backends > 4;
 	} else if (info->chip_class >= GFX8) {
 		info->num_physical_sgprs_per_simd = 800;
 		info->min_sgpr_alloc = 16;