diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2055-drm-ttm-fix-ttm_bo_unreserve.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2055-drm-ttm-fix-ttm_bo_unreserve.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2055-drm-ttm-fix-ttm_bo_unreserve.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2055-drm-ttm-fix-ttm_bo_unreserve.patch new file mode 100644 index 00000000..04def881 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2055-drm-ttm-fix-ttm_bo_unreserve.patch @@ -0,0 +1,43 @@ +From af591a03707c8decf015e9d09e81865e39f6ca45 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Tue, 4 Jun 2019 17:07:10 +0200 +Subject: [PATCH 2055/2940] drm/ttm: fix ttm_bo_unreserve +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Since we now keep BOs on the LRU we need to explicitely remove +them from the LRU now after they are pinned. + +Change-Id: I19e665dc926ba3539c8499e82520a63a4858f9f1 +Signed-off-by: Christian König <christian.koenig@amd.com> +Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> +Signed-off-by: Chaudhary Amit Kumar <Chaudharyamit.Kumar@amd.com> +--- + include/drm/ttm/ttm_bo_driver.h | 9 +++++---- + 1 file changed, 5 insertions(+), 4 deletions(-) + +diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h +index 662b823339f5..6652c155902d 100644 +--- a/include/drm/ttm/ttm_bo_driver.h ++++ b/include/drm/ttm/ttm_bo_driver.h +@@ -774,11 +774,12 @@ static inline int ttm_bo_reserve_slowpath(struct ttm_buffer_object *bo, + */ + static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo) + { +- if (!(bo->mem.placement & TTM_PL_FLAG_NO_EVICT)) { +- spin_lock(&bo->bdev->glob->lru_lock); ++ spin_lock(&bo->bdev->glob->lru_lock); ++ if (list_empty(&bo->lru)) + ttm_bo_add_to_lru(bo); +- spin_unlock(&bo->bdev->glob->lru_lock); +- } ++ else ++ ttm_bo_move_to_lru_tail(bo, NULL); ++ spin_unlock(&bo->bdev->glob->lru_lock); + reservation_object_unlock(bo->resv); + } + +-- +2.17.1 + |