diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 53 |
1 files changed, 41 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 95a4688..fc58f54 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -600,23 +600,23 @@ static int gen8_mm_switch(struct i915_hw_ppgtt *ppgtt, return 0; } -static void gen8_ppgtt_clear_range(struct i915_address_space *vm, - uint64_t start, - uint64_t length, - bool use_scratch) +static void gen8_ppgtt_clear_pte_range(struct i915_address_space *vm, + struct i915_page_directory_pointer *pdp, + uint64_t start, + uint64_t length, + gen8_pte_t scratch_pte) { struct i915_hw_ppgtt *ppgtt = container_of(vm, struct i915_hw_ppgtt, base); - struct i915_page_directory_pointer *pdp = &ppgtt->pdp; /* FIXME: 48b */ - gen8_pte_t *pt_vaddr, scratch_pte; + gen8_pte_t *pt_vaddr; unsigned pdpe = start >> GEN8_PDPE_SHIFT & GEN8_PDPE_MASK; unsigned pde = start >> GEN8_PDE_SHIFT & GEN8_PDE_MASK; unsigned pte = start >> GEN8_PTE_SHIFT & GEN8_PTE_MASK; unsigned num_entries = length >> PAGE_SHIFT; unsigned last_pte, i; - scratch_pte = gen8_pte_encode(px_dma(ppgtt->base.scratch_page), - I915_CACHE_LLC, use_scratch); + if (WARN_ON(!pdp)) + return; while (num_entries) { struct i915_page_directory *pd; @@ -656,14 +656,30 @@ static void gen8_ppgtt_clear_range(struct i915_address_space *vm, } } -static void gen8_ppgtt_insert_entries(struct i915_address_space *vm, - struct sg_table *pages, - uint64_t start, - enum i915_cache_level cache_level, u32 unused) +static void gen8_ppgtt_clear_range(struct i915_address_space *vm, + uint64_t start, + uint64_t length, + bool use_scratch) { struct i915_hw_ppgtt *ppgtt = container_of(vm, struct i915_hw_ppgtt, base); struct i915_page_directory_pointer *pdp = &ppgtt->pdp; /* FIXME: 48b */ + + gen8_pte_t scratch_pte = gen8_pte_encode(px_dma(vm->scratch_page), + I915_CACHE_LLC, use_scratch); + + gen8_ppgtt_clear_pte_range(vm, pdp, start, length, scratch_pte); +} + +static void +gen8_ppgtt_insert_pte_entries(struct i915_address_space *vm, + struct i915_page_directory_pointer *pdp, + struct sg_table *pages, + uint64_t start, + enum i915_cache_level cache_level) +{ + struct i915_hw_ppgtt *ppgtt = + container_of(vm, struct i915_hw_ppgtt, base); gen8_pte_t *pt_vaddr; unsigned pdpe = start >> GEN8_PDPE_SHIFT & GEN8_PDPE_MASK; unsigned pde = start >> GEN8_PDE_SHIFT & GEN8_PDE_MASK; @@ -700,6 +716,19 @@ static void gen8_ppgtt_insert_entries(struct i915_address_space *vm, kunmap_px(ppgtt, pt_vaddr); } +static void gen8_ppgtt_insert_entries(struct i915_address_space *vm, + struct sg_table *pages, + uint64_t start, + enum i915_cache_level cache_level, + u32 unused) +{ + struct i915_hw_ppgtt *ppgtt = + container_of(vm, struct i915_hw_ppgtt, base); + struct i915_page_directory_pointer *pdp = &ppgtt->pdp; /* FIXME: 48b */ + + gen8_ppgtt_insert_pte_entries(vm, pdp, pages, start, cache_level); +} + static void gen8_free_page_tables(struct drm_device *dev, struct i915_page_directory *pd) { |
