From 3b16525cc4c1a43e9053cfdc414356eea24bdfad Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 4 Aug 2016 16:32:25 +0100 Subject: [PATCH] drm/i915: Split insertion/binding of an object into the VM Split the insertion into the address space's range manager and binding of that object into the GTT to simplify the code flow when pinning a VMA. Signed-off-by: Chris Wilson Reviewed-by: Joonas Lahtinen Link: http://patchwork.freedesktop.org/patch/msgid/1470324762-2545-9-git-send-email-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/i915_gem.c | 35 ++++++++++++++------------------- 1 file changed, 15 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index b836a33b03fb..238d80e63279 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2961,12 +2961,12 @@ static bool i915_gem_valid_gtt_space(struct i915_vma *vma, * @flags: mask of PIN_* flags to use */ static struct i915_vma * -i915_gem_object_bind_to_vm(struct drm_i915_gem_object *obj, - struct i915_address_space *vm, - const struct i915_ggtt_view *ggtt_view, - u64 size, - u64 alignment, - u64 flags) +i915_gem_object_insert_into_vm(struct drm_i915_gem_object *obj, + struct i915_address_space *vm, + const struct i915_ggtt_view *ggtt_view, + u64 size, + u64 alignment, + u64 flags) { struct drm_device *dev = obj->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); @@ -3092,19 +3092,12 @@ search_free: } GEM_BUG_ON(!i915_gem_valid_gtt_space(vma, obj->cache_level)); - trace_i915_vma_bind(vma, flags); - ret = i915_vma_bind(vma, obj->cache_level, flags); - if (ret) - goto err_remove_node; - list_move_tail(&obj->global_list, &dev_priv->mm.bound_list); list_move_tail(&vma->vm_link, &vm->inactive_list); obj->bind_count++; return vma; -err_remove_node: - drm_mm_remove_node(&vma->node); err_vma: vma = ERR_PTR(ret); err_unpin: @@ -3764,24 +3757,26 @@ i915_gem_object_do_pin(struct drm_i915_gem_object *obj, } } - bound = vma ? vma->bound : 0; if (vma == NULL || !drm_mm_node_allocated(&vma->node)) { - vma = i915_gem_object_bind_to_vm(obj, vm, ggtt_view, - size, alignment, flags); + vma = i915_gem_object_insert_into_vm(obj, vm, ggtt_view, + size, alignment, flags); if (IS_ERR(vma)) return PTR_ERR(vma); - } else { - ret = i915_vma_bind(vma, obj->cache_level, flags); - if (ret) - return ret; } + bound = vma->bound; + ret = i915_vma_bind(vma, obj->cache_level, flags); + if (ret) + return ret; + if (ggtt_view && ggtt_view->type == I915_GGTT_VIEW_NORMAL && (bound ^ vma->bound) & GLOBAL_BIND) { __i915_vma_set_map_and_fenceable(vma); WARN_ON(flags & PIN_MAPPABLE && !obj->map_and_fenceable); } + GEM_BUG_ON(i915_vma_misplaced(vma, size, alignment, flags)); + vma->pin_count++; return 0; } -- 2.20.1