From: Christian König <christian.koenig@amd.com>
Date: Fri, 26 Nov 2021 16:11:21 +0000 (+0100)
Subject: drm/ttm: stop pruning fences after wait
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f8be2c5971f48dacbd0e6daa44184dbb6f283dc4;p=linux.git

drm/ttm: stop pruning fences after wait

This is just abusing internals of the dma_resv object.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20211129120659.1815-3-christian.koenig@amd.com
---

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index e4a20a3a5d166..fc124457ba2ff 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1086,7 +1086,6 @@ int ttm_bo_wait(struct ttm_buffer_object *bo,
 	if (timeout == 0)
 		return -EBUSY;
 
-	dma_resv_add_excl_fence(bo->base.resv, NULL);
 	return 0;
 }
 EXPORT_SYMBOL(ttm_bo_wait);