diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0188-drm-ttm-add-bulk-move-function-on-LRU.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0188-drm-ttm-add-bulk-move-function-on-LRU.patch | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0188-drm-ttm-add-bulk-move-function-on-LRU.patch b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0188-drm-ttm-add-bulk-move-function-on-LRU.patch new file mode 100644 index 00000000..98d58c46 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0188-drm-ttm-add-bulk-move-function-on-LRU.patch @@ -0,0 +1,89 @@ +From 1ee3ecd9447dd10167007f6d93e7a1c6bb0a970f Mon Sep 17 00:00:00 2001 +From: Huang Rui <ray.huang@amd.com> +Date: Mon, 6 Aug 2018 17:28:35 +0800 +Subject: [PATCH 0188/2940] drm/ttm: add bulk move function on LRU +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This function allow us to bulk move a group of BOs to the tail of their LRU. +The positions of group of BOs are stored on the (first, last) bulk_move_pos +structure. + +Signed-off-by: Christian König <christian.koenig@amd.com> +Signed-off-by: Huang Rui <ray.huang@amd.com> +Tested-by: Mike Lothian <mike@fireburn.co.uk> +Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de> +Acked-by: Chunming Zhou <david1.zhou@amd.com> +Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/ttm/ttm_bo.c | 52 ++++++++++++++++++++++++++++++++++++ + 1 file changed, 52 insertions(+) + +diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c +index 241b1fcf99c6..579b8c6e6ae3 100644 +--- a/drivers/gpu/drm/ttm/ttm_bo.c ++++ b/drivers/gpu/drm/ttm/ttm_bo.c +@@ -247,6 +247,58 @@ void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo, + } + EXPORT_SYMBOL(ttm_bo_move_to_lru_tail); + ++static void ttm_bo_bulk_move_helper(struct ttm_lru_bulk_move_pos *pos, ++ struct list_head *lru, bool is_swap) ++{ ++ struct list_head entries, before; ++ struct list_head *list1, *list2; ++ ++ list1 = is_swap ? &pos->last->swap : &pos->last->lru; ++ list2 = is_swap ? pos->first->swap.prev : pos->first->lru.prev; ++ ++ list_cut_position(&entries, lru, list1); ++ list_cut_position(&before, &entries, list2); ++ list_splice(&before, lru); ++ list_splice_tail(&entries, lru); ++} ++ ++void ttm_bo_bulk_move_lru_tail(struct ttm_lru_bulk_move *bulk) ++{ ++ unsigned i; ++ ++ for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i) { ++ struct ttm_mem_type_manager *man; ++ ++ if (!bulk->tt[i].first) ++ continue; ++ ++ man = &bulk->tt[i].first->bdev->man[TTM_PL_TT]; ++ ttm_bo_bulk_move_helper(&bulk->tt[i], &man->lru[i], false); ++ } ++ ++ for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i) { ++ struct ttm_mem_type_manager *man; ++ ++ if (!bulk->vram[i].first) ++ continue; ++ ++ man = &bulk->vram[i].first->bdev->man[TTM_PL_VRAM]; ++ ttm_bo_bulk_move_helper(&bulk->vram[i], &man->lru[i], false); ++ } ++ ++ for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i) { ++ struct ttm_lru_bulk_move_pos *pos = &bulk->swap[i]; ++ struct list_head *lru; ++ ++ if (!pos->first) ++ continue; ++ ++ lru = &pos->first->bdev->glob->swap_lru[i]; ++ ttm_bo_bulk_move_helper(&bulk->swap[i], lru, true); ++ } ++} ++EXPORT_SYMBOL(ttm_bo_bulk_move_lru_tail); ++ + static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo, + struct ttm_mem_reg *mem, bool evict, + struct ttm_operation_ctx *ctx) +-- +2.17.1 + |