diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 3d4dee817381..799a90abd81f 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2872,6 +2872,21 @@ static inline struct scatterlist *__sg_next(struct scatterlist *sg) (((__iter).curr += PAGE_SIZE) >= (__iter).max) ? \ (__iter) = __sgt_iter(__sg_next((__iter).sgp), false), 0 : 0) +static inline unsigned int i915_sg_page_sizes(struct scatterlist *sg) +{ + unsigned int page_sizes; + + page_sizes = 0; + while (sg) { + GEM_BUG_ON(sg->offset); + GEM_BUG_ON(!IS_ALIGNED(sg->length, PAGE_SIZE)); + page_sizes |= sg->length; + sg = __sg_next(sg); + } + + return page_sizes; +} + static inline unsigned int i915_sg_segment_size(void) { unsigned int size = swiotlb_max_segment(); @@ -3101,6 +3116,10 @@ intel_info(const struct drm_i915_private *dev_priv) #define USES_PPGTT(dev_priv) (i915_modparams.enable_ppgtt) #define USES_FULL_PPGTT(dev_priv) (i915_modparams.enable_ppgtt >= 2) #define USES_FULL_48BIT_PPGTT(dev_priv) (i915_modparams.enable_ppgtt == 3) +#define HAS_PAGE_SIZES(dev_priv, sizes) ({ \ + GEM_BUG_ON((sizes) == 0); \ + ((sizes) & ~(dev_priv)->info.page_sizes) == 0; \ +}) #define HAS_OVERLAY(dev_priv) ((dev_priv)->info.has_overlay) #define OVERLAY_NEEDS_PHYSICAL(dev_priv) \ @@ -3517,7 +3536,8 @@ i915_gem_object_get_dma_address(struct drm_i915_gem_object *obj, unsigned long n); void __i915_gem_object_set_pages(struct drm_i915_gem_object *obj, - struct sg_table *pages); + struct sg_table *pages, + unsigned int sg_mask); int __i915_gem_object_get_pages(struct drm_i915_gem_object *obj); static inline int __must_check |