From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Tue, 21 Apr 2020 22:23:00 +0000 (-0400)
Subject: panfrost: Fix crashes with small BOs
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=133c1aba051f838a7651c966bdedc1e972d3e029;p=mesa.git

panfrost: Fix crashes with small BOs

Affects Bifrost.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4671>
---

diff --git a/src/panfrost/encoder/pan_bo.c b/src/panfrost/encoder/pan_bo.c
index aca4f8f3848..9e5ea7ed21e 100644
--- a/src/panfrost/encoder/pan_bo.c
+++ b/src/panfrost/encoder/pan_bo.c
@@ -270,7 +270,7 @@ panfrost_bo_cache_put(struct panfrost_bo *bo)
                 return false;
 
         pthread_mutex_lock(&dev->bo_cache.lock);
-        struct list_head *bucket = pan_bucket(dev, bo->size);
+        struct list_head *bucket = pan_bucket(dev, MAX2(bo->size, 4096));
         struct drm_panfrost_madvise madv;
         struct timespec time;