Convert our open coded offset_in_page() to the common macro.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/i915_gem.c | 21 ++++++++++-----------
1 files changed, 10 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 89b751d..67ddda0 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -423,7 +423,7 @@ i915_gem_shmem_pread_fast(struct drm_device *dev,
* page_offset = offset within page
* page_length = bytes to copy for this page
*/
- page_offset = offset & (PAGE_SIZE-1);
+ page_offset = offset_in_page(offset);
page_length = remain;
if ((page_offset + remain) > PAGE_SIZE)
page_length = PAGE_SIZE - page_offset;
@@ -512,9 +512,9 @@ i915_gem_shmem_pread_slow(struct drm_device *dev,
* data_page_offset = offset with data_page_index page.
* page_length = bytes to copy for this page
*/
- shmem_page_offset = offset & ~PAGE_MASK;
+ shmem_page_offset = offset_in_page(offset);
data_page_index = data_ptr / PAGE_SIZE - first_data_page;
- data_page_offset = data_ptr & ~PAGE_MASK;
+ data_page_offset = offset_in_page(data_ptr);
page_length = remain;
if ((shmem_page_offset + page_length) > PAGE_SIZE)
@@ -697,8 +697,8 @@ i915_gem_gtt_pwrite_fast(struct drm_device *dev,
* page_offset = offset within page
* page_length = bytes to copy for this page
*/
- page_base = (offset & ~(PAGE_SIZE-1));
- page_offset = offset & (PAGE_SIZE-1);
+ page_base = offset & PAGE_MASK;
+ page_offset = offset_in_page(offset);
page_length = remain;
if ((page_offset + remain) > PAGE_SIZE)
page_length = PAGE_SIZE - page_offset;
@@ -709,7 +709,6 @@ i915_gem_gtt_pwrite_fast(struct drm_device *dev,
*/
if (fast_user_write(dev_priv->mm.gtt_mapping, page_base,
page_offset, user_data, page_length))
-
return -EFAULT;
remain -= page_length;
@@ -778,9 +777,9 @@ i915_gem_gtt_pwrite_slow(struct drm_device *dev,
* page_length = bytes to copy for this page
*/
gtt_page_base = offset & PAGE_MASK;
- gtt_page_offset = offset & ~PAGE_MASK;
+ gtt_page_offset = offset_in_page(offset);
data_page_index = data_ptr / PAGE_SIZE - first_data_page;
- data_page_offset = data_ptr & ~PAGE_MASK;
+ data_page_offset = offset_in_page(data_ptr);
page_length = remain;
if ((gtt_page_offset + page_length) > PAGE_SIZE)
@@ -839,7 +838,7 @@ i915_gem_shmem_pwrite_fast(struct drm_device *dev,
* page_offset = offset within page
* page_length = bytes to copy for this page
*/
- page_offset = offset & (PAGE_SIZE-1);
+ page_offset = offset_in_page(offset);
page_length = remain;
if ((page_offset + remain) > PAGE_SIZE)
page_length = PAGE_SIZE - page_offset;
@@ -933,9 +932,9 @@ i915_gem_shmem_pwrite_slow(struct drm_device *dev,
* data_page_offset = offset with data_page_index page.
* page_length = bytes to copy for this page
*/
- shmem_page_offset = offset & ~PAGE_MASK;
+ shmem_page_offset = offset_in_page(offset);
data_page_index = data_ptr / PAGE_SIZE - first_data_page;
- data_page_offset = data_ptr & ~PAGE_MASK;
+ data_page_offset = offset_in_page(data_ptr);
page_length = remain;
if ((shmem_page_offset + page_length) > PAGE_SIZE)
--
1.7.5.1
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