drm/i915: simplify swapin/out swizzle checking a bit

Use the helper function already employed by the pwrite/pread
functions.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index f0f885f..d8e0c15 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1476,7 +1476,7 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj,
                obj->pages[i] = page;
        }
 
-       if (obj->tiling_mode != I915_TILING_NONE)
+       if (i915_gem_object_needs_bit17_swizzle(obj))
                i915_gem_object_do_bit_17_swizzle(obj);
 
        return 0;
@@ -1498,7 +1498,7 @@ i915_gem_object_put_pages_gtt(struct drm_i915_gem_object *obj)
 
        BUG_ON(obj->madv == __I915_MADV_PURGED);
 
-       if (obj->tiling_mode != I915_TILING_NONE)
+       if (i915_gem_object_needs_bit17_swizzle(obj))
                i915_gem_object_save_bit_17_swizzle(obj);
 
        if (obj->madv == I915_MADV_DONTNEED)

diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 103da6f..31d334d 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -443,14 +443,9 @@ i915_gem_swizzle_page(struct page *page)
 void
 i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj)
 {
-       struct drm_device *dev = obj->base.dev;
-       drm_i915_private_t *dev_priv = dev->dev_private;
        int page_count = obj->base.size >> PAGE_SHIFT;
        int i;
 
-       if (dev_priv->mm.bit_6_swizzle_x != I915_BIT_6_SWIZZLE_9_10_17)
-               return;
-
        if (obj->bit_17 == NULL)
                return;
 
@@ -467,14 +462,9 @@ i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj)
 void
 i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj)
 {
-       struct drm_device *dev = obj->base.dev;
-       drm_i915_private_t *dev_priv = dev->dev_private;
        int page_count = obj->base.size >> PAGE_SHIFT;
        int i;
 
-       if (dev_priv->mm.bit_6_swizzle_x != I915_BIT_6_SWIZZLE_9_10_17)
-               return;
-
        if (obj->bit_17 == NULL) {
                obj->bit_17 = kmalloc(BITS_TO_LONGS(page_count) *
                                           sizeof(long), GFP_KERNEL);