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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-28 05:54:23 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-28 05:54:23 -0700
commit37be944a0270402f9cda291a930b0286f6dc92f5 (patch)
tree6a91a9eb86450f4a18a8871f04a1ef810e7b55d6 /drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
parentca836a25435ef1b9914840ed0a310c9b6ac261d1 (diff)
parent1717c0e23f411147490c7a3312b894f0ea9a5fb1 (diff)
Merge branch 'drm-core-next' of git://people.freedesktop.org/~airlied/linux
* 'drm-core-next' of git://people.freedesktop.org/~airlied/linux: (290 commits) Revert "drm/ttm: add a way to bo_wait for either the last read or last write" Revert "drm/radeon/kms: add a new gem_wait ioctl with read/write flags" vmwgfx: Don't pass unused arguments to do_dirty functions vmwgfx: Emulate depth 32 framebuffers drm/radeon: Lower the severity of the radeon lockup messages. drm/i915/dp: Fix eDP on PCH DP on CPT/PPT drm/i915/dp: Introduce is_cpu_edp() drm/i915: use correct SPD type value drm/i915: fix ILK+ infoframe support drm/i915: add DP test request handling drm/i915: read full receiver capability field during DP hot plug drm/i915/dp: Remove eDP special cases from bandwidth checks drm/i915/dp: Fix the math in intel_dp_link_required drm/i915/panel: Always record the backlight level again (but cleverly) i915: Move i915_read/write out of line drm/i915: remove transcoder PLL mashing from mode_set per specs drm/i915: if transcoder disable fails, say which drm/i915: set watermarks for third pipe on IVB drm/i915: export a CPT mode set verification function drm/i915: fix transcoder PLL select masking ...
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_fence.h')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_fence.h113
1 files changed, 113 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
new file mode 100644
index 000000000000..0854a2096b55
--- /dev/null
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
@@ -0,0 +1,113 @@
+/**************************************************************************
+ *
+ * Copyright © 2011 VMware, Inc., Palo Alto, CA., USA
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef _VMWGFX_FENCE_H_
+
+#define VMW_FENCE_WAIT_TIMEOUT (5*HZ)
+
+struct vmw_private;
+
+struct vmw_fence_manager;
+
+/**
+ *
+ *
+ */
+enum vmw_action_type {
+ VMW_ACTION_EVENT = 0,
+ VMW_ACTION_MAX
+};
+
+struct vmw_fence_action {
+ struct list_head head;
+ enum vmw_action_type type;
+ void (*seq_passed) (struct vmw_fence_action *action);
+ void (*cleanup) (struct vmw_fence_action *action);
+};
+
+struct vmw_fence_obj {
+ struct kref kref;
+ u32 seqno;
+
+ struct vmw_fence_manager *fman;
+ struct list_head head;
+ uint32_t signaled;
+ uint32_t signal_mask;
+ struct list_head seq_passed_actions;
+ void (*destroy)(struct vmw_fence_obj *fence);
+ wait_queue_head_t queue;
+};
+
+extern struct vmw_fence_manager *
+vmw_fence_manager_init(struct vmw_private *dev_priv);
+
+extern void vmw_fence_manager_takedown(struct vmw_fence_manager *fman);
+
+extern void vmw_fence_obj_unreference(struct vmw_fence_obj **fence_p);
+
+extern struct vmw_fence_obj *
+vmw_fence_obj_reference(struct vmw_fence_obj *fence);
+
+extern void vmw_fences_update(struct vmw_fence_manager *fman);
+
+extern bool vmw_fence_obj_signaled(struct vmw_fence_obj *fence,
+ uint32_t flags);
+
+extern int vmw_fence_obj_wait(struct vmw_fence_obj *fence, uint32_t flags,
+ bool lazy,
+ bool interruptible, unsigned long timeout);
+
+extern void vmw_fence_obj_flush(struct vmw_fence_obj *fence);
+
+extern int vmw_fence_create(struct vmw_fence_manager *fman,
+ uint32_t seqno,
+ uint32_t mask,
+ struct vmw_fence_obj **p_fence);
+
+extern int vmw_user_fence_create(struct drm_file *file_priv,
+ struct vmw_fence_manager *fman,
+ uint32_t sequence,
+ uint32_t mask,
+ struct vmw_fence_obj **p_fence,
+ uint32_t *p_handle);
+
+extern void vmw_fence_fifo_up(struct vmw_fence_manager *fman);
+
+extern void vmw_fence_fifo_down(struct vmw_fence_manager *fman);
+
+extern int vmw_fence_obj_wait_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+
+extern int vmw_fence_obj_signaled_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+
+extern int vmw_fence_obj_unref_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+extern int vmw_fence_event_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+
+#endif /* _VMWGFX_FENCE_H_ */