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From: Maarten Lankhorst <m.b.lankhorst@gmail.com>
To: dri-devel@lists.freedesktop.org
Cc: linaro-mm-sig@lists.linaro.org, linux-media@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Maarten Lankhorst <maarten.lankhorst@canonical.com>
Subject: [RFC PATCH 4/8] nouveau: add nouveau_bo_vma_add_access
Date: Tue, 10 Jul 2012 12:57:47 +0200	[thread overview]
Message-ID: <1341917871-2512-5-git-send-email-m.b.lankhorst@gmail.com> (raw)
In-Reply-To: <1341917871-2512-1-git-send-email-m.b.lankhorst@gmail.com>

From: Maarten Lankhorst <maarten.lankhorst@canonical.com>

This is needed to allow creation of read-only vm mappings
in fence objects.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
---
 drivers/gpu/drm/nouveau/nouveau_bo.c  |    6 +++---
 drivers/gpu/drm/nouveau/nouveau_drv.h |    6 ++++--
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 7f80ed5..4318320 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -1443,15 +1443,15 @@ nouveau_bo_vma_find(struct nouveau_bo *nvbo, struct nouveau_vm *vm)
 }
 
 int
-nouveau_bo_vma_add(struct nouveau_bo *nvbo, struct nouveau_vm *vm,
-		   struct nouveau_vma *vma)
+nouveau_bo_vma_add_access(struct nouveau_bo *nvbo, struct nouveau_vm *vm,
+			  struct nouveau_vma *vma, u32 access)
 {
 	const u32 size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
 	struct nouveau_mem *node = nvbo->bo.mem.mm_node;
 	int ret;
 
 	ret = nouveau_vm_get(vm, size, nvbo->page_shift,
-			     NV_MEM_ACCESS_RW, vma);
+			     access, vma);
 	if (ret)
 		return ret;
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 7c52eba..2c17989 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -1350,8 +1350,10 @@ extern int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
 
 extern struct nouveau_vma *
 nouveau_bo_vma_find(struct nouveau_bo *, struct nouveau_vm *);
-extern int  nouveau_bo_vma_add(struct nouveau_bo *, struct nouveau_vm *,
-			       struct nouveau_vma *);
+#define nouveau_bo_vma_add(nvbo, vm, vma) \
+	nouveau_bo_vma_add_access((nvbo), (vm), (vma), NV_MEM_ACCESS_RW)
+extern int nouveau_bo_vma_add_access(struct nouveau_bo *, struct nouveau_vm *,
+				     struct nouveau_vma *, u32 access);
 extern void nouveau_bo_vma_del(struct nouveau_bo *, struct nouveau_vma *);
 
 /* nouveau_gem.c */
-- 
1.7.9.5


  parent reply	other threads:[~2012-07-10 10:59 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-10 10:57 [RFC PATCH 0/8] Dmabuf synchronization Maarten Lankhorst
2012-07-10 10:57 ` [RFC PATCH 1/8] dma-buf-mgr: Try 2 Maarten Lankhorst
2012-07-10 10:57 ` [RFC PATCH 2/8] prime wip: i915 Maarten Lankhorst
2012-07-10 10:57 ` [RFC PATCH 3/8] nouveau: Extend prime code Maarten Lankhorst
2012-07-10 10:57 ` Maarten Lankhorst [this message]
2012-07-10 10:57 ` [RFC PATCH 5/8] nouveau: Add methods preparing for prime fencing Maarten Lankhorst
2012-07-10 10:57 ` [RFC PATCH 6/8] nouveau: nv84 fence prime implementation Maarten Lankhorst
2012-07-10 10:57 ` [RFC PATCH 7/8] nouveau: nvc0 " Maarten Lankhorst
2012-07-10 10:57 ` [RFC PATCH 8/8] nouveau: Prime execbuffer submission synchronization Maarten Lankhorst

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