summaryrefslogtreecommitdiffstats
path: root/drivers/gpu
diff options
context:
space:
mode:
authorChris Wilson <chris@chris-wilson.co.uk>2011-05-12 23:17:11 +0200
committerKeith Packard <keithp@keithp.com>2011-06-04 19:40:42 +0200
commitc8cbbb8ba9f9f6d2d63513a715700127598e7f86 (patch)
treee1ce9d13d463642c3fa69a6b049b8283bbb42343 /drivers/gpu
parentdrm: i915: correct return status in intel_hdmi_mode_valid() (diff)
downloadlinux-c8cbbb8ba9f9f6d2d63513a715700127598e7f86.tar.xz
linux-c8cbbb8ba9f9f6d2d63513a715700127598e7f86.zip
drm/i915: s/addr & ~PAGE_MASK/offset_in_page(addr)/
Convert our open coded offset_in_page() to the common macro. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Keith Packard <keithp@keithp.com> Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c21
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 0b2e167d2bce..7b8feff53c0d 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -354,7 +354,7 @@ 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;
@@ -453,9 +453,9 @@ 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)
@@ -638,8 +638,8 @@ 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;
@@ -650,7 +650,6 @@ 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;
@@ -730,9 +729,9 @@ 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)
@@ -791,7 +790,7 @@ 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;
@@ -896,9 +895,9 @@ 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)