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drm/i915: Convert vm->dev backpointer to vm->i915

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99% of the time we access i915_address_space->dev we want the i915
device and not the drm device, so let's store the drm_i915_private
backpointer instead. The only real complication here are the inlines
in i915_vma.h where drm_i915_private is not yet defined and so we have
to choose an alternate path for our asserts.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161129095008.32622-1-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
This commit is contained in:
Chris Wilson
2016-11-29 09:50:08 +00:00
parent 3aaa8aba9f
commit 49d73912cb
10 changed files with 67 additions and 69 deletions
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6
drivers/gpu/drm/i915/i915_vma.h
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@@ -282,7 +282,7 @@ void __iomem *i915_vma_pin_iomap(struct i915_vma *vma);
*/
static inline void i915_vma_unpin_iomap(struct i915_vma *vma)
{
lockdep_assert_held(&vma->vm->dev->struct_mutex);
lockdep_assert_held(&vma->obj->base.dev->struct_mutex);
GEM_BUG_ON(vma->iomap == NULL);
i915_vma_unpin(vma);
}
@@ -311,7 +311,7 @@ static inline struct page *i915_vma_first_page(struct i915_vma *vma)
static inline bool
i915_vma_pin_fence(struct i915_vma *vma)
{
lockdep_assert_held(&vma->vm->dev->struct_mutex);
lockdep_assert_held(&vma->obj->base.dev->struct_mutex);
if (vma->fence) {
vma->fence->pin_count++;
return true;
@@ -330,7 +330,7 @@ i915_vma_pin_fence(struct i915_vma *vma)
static inline void
i915_vma_unpin_fence(struct i915_vma *vma)
{
lockdep_assert_held(&vma->vm->dev->struct_mutex);
lockdep_assert_held(&vma->obj->base.dev->struct_mutex);
if (vma->fence) {
GEM_BUG_ON(vma->fence->pin_count <= 0);
vma->fence->pin_count--;