drm/i915: merge get_gtt_alignment/get_unfenced_gtt_alignment()
The two functions are rather similar, so merge them.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index e6cc020..2166b61 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1463,16 +1463,15 @@
* Return the required GTT alignment for an object, taking into account
* potential fence register mapping.
*/
-static uint32_t
-i915_gem_get_gtt_alignment(struct drm_device *dev,
- uint32_t size,
- int tiling_mode)
+uint32_t
+i915_gem_get_gtt_alignment(struct drm_device *dev, uint32_t size,
+ int tiling_mode, bool fenced)
{
/*
* Minimum alignment is 4k (GTT page size), but might be greater
* if a fence register is needed for the object.
*/
- if (INTEL_INFO(dev)->gen >= 4 ||
+ if (INTEL_INFO(dev)->gen >= 4 || (!fenced && IS_G33(dev)) ||
tiling_mode == I915_TILING_NONE)
return 4096;
@@ -1483,35 +1482,6 @@
return i915_gem_get_gtt_size(dev, size, tiling_mode);
}
-/**
- * i915_gem_get_unfenced_gtt_alignment - return required GTT alignment for an
- * unfenced object
- * @dev: the device
- * @size: size of the object
- * @tiling_mode: tiling mode of the object
- *
- * Return the required GTT alignment for an object, only taking into account
- * unfenced tiled surface requirements.
- */
-uint32_t
-i915_gem_get_unfenced_gtt_alignment(struct drm_device *dev,
- uint32_t size,
- int tiling_mode)
-{
- /*
- * Minimum alignment is 4k (GTT page size) for sane hw.
- */
- if (INTEL_INFO(dev)->gen >= 4 || IS_G33(dev) ||
- tiling_mode == I915_TILING_NONE)
- return 4096;
-
- /* Previous hardware however needs to be aligned to a power-of-two
- * tile height. The simplest method for determining this is to reuse
- * the power-of-tile object size.
- */
- return i915_gem_get_gtt_size(dev, size, tiling_mode);
-}
-
static int i915_gem_object_create_mmap_offset(struct drm_i915_gem_object *obj)
{
struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
@@ -2934,11 +2904,11 @@
obj->tiling_mode);
fence_alignment = i915_gem_get_gtt_alignment(dev,
obj->base.size,
- obj->tiling_mode);
+ obj->tiling_mode, true);
unfenced_alignment =
- i915_gem_get_unfenced_gtt_alignment(dev,
+ i915_gem_get_gtt_alignment(dev,
obj->base.size,
- obj->tiling_mode);
+ obj->tiling_mode, false);
if (alignment == 0)
alignment = map_and_fenceable ? fence_alignment :