From: "Christian König" <ckoenig.leichtzumerken@gmail.com> To: daniel@ffwll.ch Cc: linaro-mm-sig@lists.linaro.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org Subject: [PATCH 16/28] dma-buf: finally make dma_resv_excl_fence private Date: Mon, 29 Nov 2021 13:06:47 +0100 [thread overview] Message-ID: <20211129120659.1815-17-christian.koenig@amd.com> (raw) In-Reply-To: <20211129120659.1815-1-christian.koenig@amd.com> Drivers should never touch this directly. Signed-off-by: Christian König <christian.koenig@amd.com> --- drivers/dma-buf/dma-resv.c | 17 +++++++++++++++++ include/linux/dma-resv.h | 17 ----------------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/drivers/dma-buf/dma-resv.c b/drivers/dma-buf/dma-resv.c index 694716a3d66d..9acceabc9399 100644 --- a/drivers/dma-buf/dma-resv.c +++ b/drivers/dma-buf/dma-resv.c @@ -147,6 +147,23 @@ void dma_resv_fini(struct dma_resv *obj) } EXPORT_SYMBOL(dma_resv_fini); +/** + * dma_resv_excl_fence - return the object's exclusive fence + * @obj: the reservation object + * + * Returns the exclusive fence (if any). Caller must either hold the objects + * through dma_resv_lock() or the RCU read side lock through rcu_read_lock(), + * or one of the variants of each + * + * RETURNS + * The exclusive fence or NULL + */ +static inline struct dma_fence * +dma_resv_excl_fence(struct dma_resv *obj) +{ + return rcu_dereference_check(obj->fence_excl, dma_resv_held(obj)); +} + /** * dma_resv_shared_list - get the reservation object's shared fence list * @obj: the reservation object diff --git a/include/linux/dma-resv.h b/include/linux/dma-resv.h index cdfbbda6f600..40ac9d486f8f 100644 --- a/include/linux/dma-resv.h +++ b/include/linux/dma-resv.h @@ -412,23 +412,6 @@ static inline void dma_resv_unlock(struct dma_resv *obj) ww_mutex_unlock(&obj->lock); } -/** - * dma_resv_excl_fence - return the object's exclusive fence - * @obj: the reservation object - * - * Returns the exclusive fence (if any). Caller must either hold the objects - * through dma_resv_lock() or the RCU read side lock through rcu_read_lock(), - * or one of the variants of each - * - * RETURNS - * The exclusive fence or NULL - */ -static inline struct dma_fence * -dma_resv_excl_fence(struct dma_resv *obj) -{ - return rcu_dereference_check(obj->fence_excl, dma_resv_held(obj)); -} - void dma_resv_init(struct dma_resv *obj); void dma_resv_fini(struct dma_resv *obj); int dma_resv_reserve_shared(struct dma_resv *obj, unsigned int num_fences); -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: "Christian König" <ckoenig.leichtzumerken@gmail.com> To: daniel@ffwll.ch Cc: linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org Subject: [PATCH 16/28] dma-buf: finally make dma_resv_excl_fence private Date: Mon, 29 Nov 2021 13:06:47 +0100 [thread overview] Message-ID: <20211129120659.1815-17-christian.koenig@amd.com> (raw) In-Reply-To: <20211129120659.1815-1-christian.koenig@amd.com> Drivers should never touch this directly. Signed-off-by: Christian König <christian.koenig@amd.com> --- drivers/dma-buf/dma-resv.c | 17 +++++++++++++++++ include/linux/dma-resv.h | 17 ----------------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/drivers/dma-buf/dma-resv.c b/drivers/dma-buf/dma-resv.c index 694716a3d66d..9acceabc9399 100644 --- a/drivers/dma-buf/dma-resv.c +++ b/drivers/dma-buf/dma-resv.c @@ -147,6 +147,23 @@ void dma_resv_fini(struct dma_resv *obj) } EXPORT_SYMBOL(dma_resv_fini); +/** + * dma_resv_excl_fence - return the object's exclusive fence + * @obj: the reservation object + * + * Returns the exclusive fence (if any). Caller must either hold the objects + * through dma_resv_lock() or the RCU read side lock through rcu_read_lock(), + * or one of the variants of each + * + * RETURNS + * The exclusive fence or NULL + */ +static inline struct dma_fence * +dma_resv_excl_fence(struct dma_resv *obj) +{ + return rcu_dereference_check(obj->fence_excl, dma_resv_held(obj)); +} + /** * dma_resv_shared_list - get the reservation object's shared fence list * @obj: the reservation object diff --git a/include/linux/dma-resv.h b/include/linux/dma-resv.h index cdfbbda6f600..40ac9d486f8f 100644 --- a/include/linux/dma-resv.h +++ b/include/linux/dma-resv.h @@ -412,23 +412,6 @@ static inline void dma_resv_unlock(struct dma_resv *obj) ww_mutex_unlock(&obj->lock); } -/** - * dma_resv_excl_fence - return the object's exclusive fence - * @obj: the reservation object - * - * Returns the exclusive fence (if any). Caller must either hold the objects - * through dma_resv_lock() or the RCU read side lock through rcu_read_lock(), - * or one of the variants of each - * - * RETURNS - * The exclusive fence or NULL - */ -static inline struct dma_fence * -dma_resv_excl_fence(struct dma_resv *obj) -{ - return rcu_dereference_check(obj->fence_excl, dma_resv_held(obj)); -} - void dma_resv_init(struct dma_resv *obj); void dma_resv_fini(struct dma_resv *obj); int dma_resv_reserve_shared(struct dma_resv *obj, unsigned int num_fences); -- 2.25.1
next prev parent reply other threads:[~2021-11-29 12:08 UTC|newest] Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-11-29 12:06 completely rework the dma_resv semantic Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 01/28] drm/i915: Remove dma_resv_prune Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 02/28] drm/ttm: stop pruning fences after wait Christian König 2021-11-29 12:06 ` Christian König 2021-11-30 9:02 ` Daniel Vetter 2021-11-30 9:02 ` Daniel Vetter 2021-11-30 9:53 ` Christian König 2021-11-30 9:53 ` Christian König 2021-11-29 12:06 ` [PATCH 03/28] dma-buf: make fence mandatory for dma_resv_add_excl_fence v2 Christian König 2021-11-29 12:06 ` Christian König 2021-11-30 9:03 ` Daniel Vetter 2021-11-30 9:03 ` Daniel Vetter 2021-11-29 12:06 ` [PATCH 04/28] drm/qxl: use iterator instead of dma_resv_shared_list Christian König 2021-11-29 12:06 ` Christian König 2021-11-30 9:06 ` Daniel Vetter 2021-11-30 9:06 ` Daniel Vetter 2021-11-29 12:06 ` [PATCH 05/28] dma-buf: add dma_resv_replace_fences Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 06/28] dma-buf: finally make the dma_resv_list private Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 07/28] dma-buf: drop excl_fence parameter from dma_resv_get_fences Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 08/28] dma-buf: add dma_resv_get_singleton v2 Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 09/28] RDMA: use dma_resv_wait() instead of extracting the fence Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 10/28] drm/etnaviv: stop using dma_resv_excl_fence Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 11/28] drm/nouveau: " Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 12/28] drm/vmwgfx: " Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 13/28] drm/radeon: " Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 14/28] drm/amdgpu: remove excl as shared workarounds Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 15/28] drm/amdgpu: use dma_resv_for_each_fence for CS workaround Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` Christian König [this message] 2021-11-29 12:06 ` [PATCH 16/28] dma-buf: finally make dma_resv_excl_fence private Christian König 2021-11-29 12:06 ` [PATCH 17/28] dma-buf: drop the DAG approach for the dma_resv object Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 18/28] dma-buf/drivers: make reserving a shared slot mandatory v2 Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 19/28] drm: support more than one write fence in drm_gem_plane_helper_prepare_fb Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 20/28] drm/nouveau: support more than one write fence in fenv50_wndw_prepare_fb Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 21/28] drm/amdgpu: use dma_resv_get_singleton in amdgpu_pasid_free_cb Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 22/28] dma-buf: add enum dma_resv_usage v3 Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 23/28] dma-buf: specify usage while adding fences to dma_resv obj v2 Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 24/28] dma-buf: add DMA_RESV_USAGE_KERNEL Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 25/28] dma-buf: add DMA_RESV_USAGE_BOOKKEEP Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 26/28] dma-buf: wait for map to complete for static attachments Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 27/28] amdgpu: remove DMA-buf fence workaround Christian König 2021-11-29 12:06 ` Christian König 2021-11-29 12:06 ` [PATCH 28/28] drm/ttm: remove bo->moving Christian König 2021-11-29 12:06 ` Christian König
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