PKGBUILDs/extra/mesa/0001-radeonsi-fix-regression-on-gpus-using-the-radeon-winsys.patch
2020-12-08 20:40:49 +00:00

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From 7c075bae56e45f268e62efcd82589111bce92ae3 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Mon, 7 Dec 2020 09:47:35 +1000
Subject: [PATCH] radeonsi: fix regression on gpus using the radeon winsys.
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For GPUs using the radeon kernel driver, num_se was never
getting initialised.
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/3939
Fixes: f2977a162af4 ("ac: fix min/max_good_num_cu_per_sa on gfx10.3 with disabled SEs")
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7954>
---
src/gallium/winsys/radeon/drm/radeon_drm_winsys.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
index 0aab59cd236..ef7434d7589 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -530,6 +530,8 @@ static bool do_winsys_init(struct radeon_drm_winsys *ws)
}
}
+ ws->info.num_se = ws->info.max_se;
+
radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_SH_PER_SE, NULL,
&ws->info.max_sa_per_se);
if (ws->gen == DRV_SI) {
--
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