diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 0b2e167d2bc..94c84d74410 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) @@ -465,8 +465,10 @@ i915_gem_shmem_pread_slow(struct drm_device *dev, page = read_cache_page_gfp(mapping, offset >> PAGE_SHIFT, GFP_HIGHUSER | __GFP_RECLAIMABLE); - if (IS_ERR(page)) - return PTR_ERR(page); + if (IS_ERR(page)) { + ret = PTR_ERR(page); + goto out; + } if (do_bit17_swizzling) { slow_shmem_bit17_copy(page, @@ -638,8 +640,8 @@ 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 +652,6 @@ 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 +731,9 @@ 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 +792,7 @@ 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 +897,9 @@ 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) @@ -1450,8 +1451,9 @@ i915_gem_get_unfenced_gtt_alignment(struct drm_i915_gem_object *obj) * edge of an even tile row (where tile rows are counted as if the bo is * placed in a fenced gtt region). */ - if (IS_GEN2(dev) || - (obj->tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev))) + if (IS_GEN2(dev)) + tile_height = 16; + else if (obj->tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev)) tile_height = 32; else tile_height = 8; |