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drm/i915: Simplify i915_gem_object_ggtt_unpin 

Split out from Chris vma-bind rework.

Jani wondered why this is save, and the reason is that i915_vma_unbind
does all these checks, too. So they're redundant.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ben Widawsky <benjamin.widawsky@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2014-02-14 14:01:19 +01:00
parent d47c3ea2bd
commit b287110e89
2 changed files with 8 additions and 22 deletions
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10
drivers/gpu/drm/i915/i915_drv.h
View File

@ -2083,9 +2083,7 @@ int __must_check i915_gem_object_pin(struct drm_i915_gem_object *obj,
struct i915_address_space *vm,
uint32_t alignment,
unsigned flags);
void i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj);
int __must_check i915_vma_unbind(struct i915_vma *vma);
int __must_check i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj);
int i915_gem_object_put_pages(struct drm_i915_gem_object *obj);
void i915_gem_release_all_mmaps(struct drm_i915_private *dev_priv);
void i915_gem_release_mmap(struct drm_i915_gem_object *obj);
@ -2290,6 +2288,14 @@ i915_gem_obj_ggtt_pin(struct drm_i915_gem_object *obj,
return i915_gem_object_pin(obj, obj_to_ggtt(obj), alignment, flags | PIN_GLOBAL);
}
static inline int
i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj)
{
return i915_vma_unbind(i915_gem_obj_to_ggtt(obj));
}
void i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj);
/* i915_gem_context.c */
#define ctx_to_ppgtt(ctx) container_of((ctx)->vm, struct i915_hw_ppgtt, base)
int __must_check i915_gem_context_init(struct drm_device *dev);

20
drivers/gpu/drm/i915/i915_gem.c
View File

@ -2766,26 +2766,6 @@ int i915_vma_unbind(struct i915_vma *vma)
return 0;
}
/**
* Unbinds an object from the global GTT aperture.
*/
int
i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj)
{
struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
struct i915_address_space *ggtt = &dev_priv->gtt.base;
if (!i915_gem_obj_ggtt_bound(obj))
return 0;
if (i915_gem_obj_to_ggtt(obj)->pin_count)
return -EBUSY;
BUG_ON(obj->pages == NULL);
return i915_vma_unbind(i915_gem_obj_to_vma(obj, ggtt));
}
int i915_gpu_idle(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;