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From: Ben Widawsky <benjamin.widawsky@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: Ben Widawsky <ben@bwidawsk.net>
Subject: [PATCH 5/6] drm/i915: Use the new vm [un]bind functions
Date: Sat, 14 Sep 2013 15:03:18 -0700	[thread overview]
Message-ID: <1379196199-11295-5-git-send-email-benjamin.widawsky@intel.com> (raw)
In-Reply-To: <1379196199-11295-1-git-send-email-benjamin.widawsky@intel.com>

From: Ben Widawsky <ben@bwidawsk.net>

Building on the last patch which created the new function pointers in
the VM for bind/unbind, here we actually put those new function pointers
to use.

Split out as a separate patch to aid in review. I'm fine with squashing
into the previous patch if people request it.

v2: Updated to address the smart ggtt which can do aliasing as needed
Make sure we bind to global gtt when mappable and fenceable. I thought
we could get away without this initialy, but we cannot.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
---
 drivers/gpu/drm/i915/i915_drv.h            |  9 ------
 drivers/gpu/drm/i915/i915_gem.c            | 31 ++++++++-----------
 drivers/gpu/drm/i915/i915_gem_context.c    |  8 +++--
 drivers/gpu/drm/i915/i915_gem_execbuffer.c | 29 ++++++++----------
 drivers/gpu/drm/i915/i915_gem_gtt.c        | 48 ++----------------------------
 5 files changed, 34 insertions(+), 91 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 686a66c..ab88b43 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2085,17 +2085,8 @@ int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
 
 /* i915_gem_gtt.c */
 void i915_gem_cleanup_aliasing_ppgtt(struct drm_device *dev);
-void i915_ppgtt_bind_object(struct i915_hw_ppgtt *ppgtt,
-			    struct drm_i915_gem_object *obj,
-			    enum i915_cache_level cache_level);
-void i915_ppgtt_unbind_object(struct i915_hw_ppgtt *ppgtt,
-			      struct drm_i915_gem_object *obj);
-
 void i915_gem_restore_gtt_mappings(struct drm_device *dev);
 int __must_check i915_gem_gtt_prepare_object(struct drm_i915_gem_object *obj);
-void i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj,
-				enum i915_cache_level cache_level);
-void i915_gem_gtt_unbind_object(struct drm_i915_gem_object *obj);
 void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj);
 void i915_gem_init_global_gtt(struct drm_device *dev);
 void i915_gem_setup_global_gtt(struct drm_device *dev, unsigned long start,
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 651b91c..4e6f20a 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2693,12 +2693,8 @@ int i915_vma_unbind(struct i915_vma *vma)
 
 	trace_i915_vma_unbind(vma);
 
-	if (obj->has_global_gtt_mapping)
-		i915_gem_gtt_unbind_object(obj);
-	if (obj->has_aliasing_ppgtt_mapping) {
-		i915_ppgtt_unbind_object(dev_priv->mm.aliasing_ppgtt, obj);
-		obj->has_aliasing_ppgtt_mapping = 0;
-	}
+	vma->vm->unbind_vma(vma);
+
 	i915_gem_gtt_finish_object(obj);
 	i915_gem_object_unpin_pages(obj);
 
@@ -3424,7 +3420,6 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
 				    enum i915_cache_level cache_level)
 {
 	struct drm_device *dev = obj->base.dev;
-	drm_i915_private_t *dev_priv = dev->dev_private;
 	struct i915_vma *vma;
 	int ret;
 
@@ -3463,11 +3458,8 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
 				return ret;
 		}
 
-		if (obj->has_global_gtt_mapping)
-			i915_gem_gtt_bind_object(obj, cache_level);
-		if (obj->has_aliasing_ppgtt_mapping)
-			i915_ppgtt_bind_object(dev_priv->mm.aliasing_ppgtt,
-					       obj, cache_level);
+		list_for_each_entry(vma, &obj->vma_list, vma_link)
+			vma->vm->bind_vma(vma, cache_level, 0);
 	}
 
 	list_for_each_entry(vma, &obj->vma_list, vma_link)
@@ -3795,6 +3787,7 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj,
 		    bool map_and_fenceable,
 		    bool nonblocking)
 {
+	const u32 flags = map_and_fenceable ? GLOBAL_BIND : 0;
 	struct i915_vma *vma;
 	int ret;
 
@@ -3823,20 +3816,22 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj,
 	}
 
 	if (!i915_gem_obj_bound(obj, vm)) {
-		struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
-
 		ret = i915_gem_object_bind_to_vm(obj, vm, alignment,
 						 map_and_fenceable,
 						 nonblocking);
 		if (ret)
 			return ret;
 
-		if (!dev_priv->mm.aliasing_ppgtt)
-			i915_gem_gtt_bind_object(obj, obj->cache_level);
-	}
+		vma = i915_gem_obj_to_vma(obj, vm);
+		vm->bind_vma(vma, obj->cache_level, flags);
+	} else
+		vma = i915_gem_obj_to_vma(obj, vm);
 
+	/* Objects are created map and fenceable. If we bind an object
+	 * the first time, and we had aliasing PPGTT (and didn't request
+	 * GLOBAL), we'll need to do this on the second bind.*/
 	if (!obj->has_global_gtt_mapping && map_and_fenceable)
-		i915_gem_gtt_bind_object(obj, obj->cache_level);
+		vm->bind_vma(vma, obj->cache_level, GLOBAL_BIND);
 
 	obj->pin_count++;
 	obj->pin_mappable |= map_and_fenceable;
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index cb3b7e8..a030739 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -391,6 +391,7 @@ mi_set_context(struct intel_ring_buffer *ring,
 static int do_switch(struct i915_hw_context *to)
 {
 	struct intel_ring_buffer *ring = to->ring;
+	struct drm_i915_private *dev_priv = ring->dev->dev_private;
 	struct i915_hw_context *from = ring->last_context;
 	u32 hw_flags = 0;
 	int ret;
@@ -415,8 +416,11 @@ static int do_switch(struct i915_hw_context *to)
 		return ret;
 	}
 
-	if (!to->obj->has_global_gtt_mapping)
-		i915_gem_gtt_bind_object(to->obj, to->obj->cache_level);
+	if (!to->obj->has_global_gtt_mapping) {
+		struct i915_vma *vma = i915_gem_obj_to_vma(to->obj,
+							   &dev_priv->gtt.base);
+		vma->vm->bind_vma(vma, to->obj->cache_level, GLOBAL_BIND);
+	}
 
 	if (!to->is_initialized || is_default_context(to))
 		hw_flags |= MI_RESTORE_INHIBIT;
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index b26d979..bfe8cef 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -286,8 +286,9 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
 	if (unlikely(IS_GEN6(dev) &&
 	    reloc->write_domain == I915_GEM_DOMAIN_INSTRUCTION &&
 	    !target_i915_obj->has_global_gtt_mapping)) {
-		i915_gem_gtt_bind_object(target_i915_obj,
-					 target_i915_obj->cache_level);
+		struct i915_vma *vma = i915_gem_obj_to_vma(obj, vm);
+		vma->vm->bind_vma(vma, target_i915_obj->cache_level,
+				 GLOBAL_BIND);
 	}
 
 	/* Validate that the target is in a valid r/w GPU domain */
@@ -464,11 +465,12 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
 				struct intel_ring_buffer *ring,
 				bool *need_reloc)
 {
-	struct drm_i915_private *dev_priv = ring->dev->dev_private;
+	struct drm_i915_gem_object *obj = vma->obj;
 	struct drm_i915_gem_exec_object2 *entry = vma->exec_entry;
 	bool has_fenced_gpu_access = INTEL_INFO(ring->dev)->gen < 4;
 	bool need_fence, need_mappable;
-	struct drm_i915_gem_object *obj = vma->obj;
+	u32 flags = (entry->flags & EXEC_OBJECT_NEEDS_GTT) &&
+		!vma->obj->has_global_gtt_mapping ? GLOBAL_BIND : 0;
 	int ret;
 
 	need_fence =
@@ -497,14 +499,6 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
 		}
 	}
 
-	/* Ensure ppgtt mapping exists if needed */
-	if (dev_priv->mm.aliasing_ppgtt && !obj->has_aliasing_ppgtt_mapping) {
-		i915_ppgtt_bind_object(dev_priv->mm.aliasing_ppgtt,
-				       obj, obj->cache_level);
-
-		obj->has_aliasing_ppgtt_mapping = 1;
-	}
-
 	if (entry->offset != vma->node.start) {
 		entry->offset = vma->node.start;
 		*need_reloc = true;
@@ -515,9 +509,7 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma,
 		obj->base.pending_write_domain = I915_GEM_DOMAIN_RENDER;
 	}
 
-	if (entry->flags & EXEC_OBJECT_NEEDS_GTT &&
-	    !obj->has_global_gtt_mapping)
-		i915_gem_gtt_bind_object(obj, obj->cache_level);
+	vma->vm->bind_vma(vma, obj->cache_level, flags);
 
 	return 0;
 }
@@ -1117,8 +1109,11 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
 	 * batch" bit. Hence we need to pin secure batches into the global gtt.
 	 * hsw should have this fixed, but let's be paranoid and do it
 	 * unconditionally for now. */
-	if (flags & I915_DISPATCH_SECURE && !batch_obj->has_global_gtt_mapping)
-		i915_gem_gtt_bind_object(batch_obj, batch_obj->cache_level);
+	if (flags & I915_DISPATCH_SECURE &&
+	    !batch_obj->has_global_gtt_mapping) {
+		struct i915_vma *vma = i915_gem_obj_to_vma(batch_obj, vm);
+		vm->bind_vma(vma, batch_obj->cache_level, GLOBAL_BIND);
+	}
 
 	ret = i915_gem_execbuffer_move_to_gpu(ring, &eb->vmas);
 	if (ret)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 2a71a29..af2080b 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -437,15 +437,6 @@ void i915_gem_cleanup_aliasing_ppgtt(struct drm_device *dev)
 	dev_priv->mm.aliasing_ppgtt = NULL;
 }
 
-void i915_ppgtt_bind_object(struct i915_hw_ppgtt *ppgtt,
-			    struct drm_i915_gem_object *obj,
-			    enum i915_cache_level cache_level)
-{
-	ppgtt->base.insert_entries(&ppgtt->base, obj->pages,
-				   i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT,
-				   cache_level);
-}
-
 static void __always_unused
 gen6_ppgtt_bind_vma(struct i915_vma *vma,
 		    enum i915_cache_level cache_level,
@@ -458,14 +449,6 @@ gen6_ppgtt_bind_vma(struct i915_vma *vma,
 	gen6_ppgtt_insert_entries(vma->vm, vma->obj->pages, entry, cache_level);
 }
 
-void i915_ppgtt_unbind_object(struct i915_hw_ppgtt *ppgtt,
-			      struct drm_i915_gem_object *obj)
-{
-	ppgtt->base.clear_range(&ppgtt->base,
-				i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT,
-				obj->base.size >> PAGE_SHIFT);
-}
-
 static void __always_unused gen6_ppgtt_unbind_vma(struct i915_vma *vma)
 {
 	const unsigned long entry = vma->node.start >> PAGE_SHIFT;
@@ -523,8 +506,10 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev)
 				       dev_priv->gtt.base.total / PAGE_SIZE);
 
 	list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
+		struct i915_vma *vma = i915_gem_obj_to_vma(obj,
+							   &dev_priv->gtt.base);
 		i915_gem_clflush_object(obj, obj->pin_display);
-		i915_gem_gtt_bind_object(obj, obj->cache_level);
+		vma->vm->bind_vma(vma, obj->cache_level, 0);
 	}
 
 	i915_gem_chipset_flush(dev);
@@ -681,33 +666,6 @@ static void gen6_ggtt_bind_vma(struct i915_vma *vma,
 	}
 }
 
-void i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj,
-			      enum i915_cache_level cache_level)
-{
-	struct drm_device *dev = obj->base.dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	const unsigned long entry = i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT;
-
-	dev_priv->gtt.base.insert_entries(&dev_priv->gtt.base, obj->pages,
-					  entry,
-					  cache_level);
-
-	obj->has_global_gtt_mapping = 1;
-}
-
-void i915_gem_gtt_unbind_object(struct drm_i915_gem_object *obj)
-{
-	struct drm_device *dev = obj->base.dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	const unsigned long entry = i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT;
-
-	dev_priv->gtt.base.clear_range(&dev_priv->gtt.base,
-				       entry,
-				       obj->base.size >> PAGE_SHIFT);
-
-	obj->has_global_gtt_mapping = 0;
-}
-
 static void gen6_ggtt_unbind_vma(struct i915_vma *vma)
 {
 	struct drm_device *dev = vma->vm->dev;
-- 
1.8.4

  parent reply	other threads:[~2013-09-14 22:03 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-14 22:03 [PATCH 1/6] drm/i915: trace vm eviction instead of everything Ben Widawsky
2013-09-14 22:03 ` [PATCH 2/6] drm/i915: Provide a cheap ggtt vma lookup Ben Widawsky
2013-09-14 22:03 ` [PATCH 3/6] drm/i915: Convert active API to VMA Ben Widawsky
2013-09-14 22:03 ` [PATCH 4/6] drm/i915: Add bind/unbind object functions to VM Ben Widawsky
2013-09-16  9:25   ` Chris Wilson
2013-09-16 18:23     ` Ben Widawsky
2013-09-16 22:05       ` Daniel Vetter
2013-09-16 22:18         ` Chris Wilson
2013-09-16 22:20           ` Daniel Vetter
2013-09-16 22:13       ` Chris Wilson
2013-09-17  5:44         ` Ben Widawsky
2013-09-17  7:49           ` Chris Wilson
2013-09-17 17:00             ` [PATCH 4/6] [v5] " Ben Widawsky
2013-09-14 22:03 ` Ben Widawsky [this message]
2013-09-16  7:37   ` [PATCH 5/6] drm/i915: Use the new vm [un]bind functions Chris Wilson
2013-09-16 18:31     ` Ben Widawsky
2013-09-17 17:01     ` [PATCH 5/6] [v3] " Ben Widawsky
2013-09-17 20:55       ` Chris Wilson
2013-09-17 23:14         ` Ben Widawsky
2013-09-17 23:33           ` Chris Wilson
2013-09-17 23:48             ` Ben Widawsky
2013-09-17 23:57               ` Chris Wilson
2013-09-18  0:02                 ` Ben Widawsky
2013-09-18  8:30                   ` Chris Wilson
2013-09-18 14:47                     ` Ben Widawsky
2013-09-18 14:53                       ` Chris Wilson
2013-09-18 15:48                         ` Ben Widawsky
2013-09-18 15:59                           ` Chris Wilson
2013-09-18 16:11                             ` Ben Widawsky
2013-09-18 16:15                               ` Chris Wilson
2013-09-18 16:20                                 ` Daniel Vetter
2013-09-18 16:37                                   ` Ben Widawsky
2013-09-19  0:12                                 ` [PATCH] [v4] " Ben Widawsky
2013-09-19  9:13                                   ` Chris Wilson
2013-09-19 14:15                                     ` [PATCH] [v5] " Ben Widawsky
2013-09-19 14:26                                       ` Chris Wilson
2013-09-19 14:41                                         ` [PATCH] [v6] " Ben Widawsky
2013-09-19 14:45                                           ` [PATCH] [v7] " Ben Widawsky
2013-09-20  4:06                                             ` [PATCH] " Ben Widawsky
2013-09-20 10:43                                               ` Chris Wilson
2013-09-20 13:24                                                 ` Daniel Vetter
2013-09-20 13:26                                                   ` Daniel Vetter
2013-09-20 13:29                                                   ` Chris Wilson
2013-09-20 20:44                                                 ` Ben Widawsky
2013-09-20 20:55                                                   ` Chris Wilson
2013-09-20 21:08                                                     ` Ben Widawsky
2013-09-20 21:22                                                     ` Daniel Vetter
2013-09-22 18:46                                                 ` [PATCH] [v9] " Ben Widawsky
2013-09-23  8:39                                                   ` Chris Wilson
2013-09-23 22:00                                                     ` Ben Widawsky
2013-09-23 22:10                                                       ` Chris Wilson
2013-09-19 14:47                                           ` [PATCH] [v6] " Chris Wilson
2013-09-19 17:41                                             ` Ben Widawsky
2013-09-19 18:36                                               ` Daniel Vetter
2013-09-14 22:03 ` [PATCH 6/6] drm/i915: eliminate vm->insert_entries() Ben Widawsky
  -- strict thread matches above, loose matches on Subject: below --
2013-09-24 16:57 [PATCH 1/6] drm/i915: trace vm eviction instead of everything Ben Widawsky
2013-09-24 16:58 ` [PATCH 5/6] drm/i915: Use the new vm [un]bind functions Ben Widawsky
2013-09-25 11:42   ` Daniel Vetter
2013-09-25 17:19     ` Ben Widawsky

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