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drm/i915/gtt: Cleanup page directory encoding

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Write page directory entry without using superfluous
indirect function. Also remove unused device parameter
from the encode function.

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Mika Kuoppala 2015-06-25 18:35:16 +03:00 committed by Daniel Vetter
parent b2dd45111e
commit fe36f55d4d
1 changed files with 5 additions and 14 deletions
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19
drivers/gpu/drm/i915/i915_gem_gtt.c
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@ -192,9 +192,8 @@ static gen8_pte_t gen8_pte_encode(dma_addr_t addr,
return pte;
}
static gen8_pde_t gen8_pde_encode(struct drm_device *dev,
dma_addr_t addr,
enum i915_cache_level level)
static gen8_pde_t gen8_pde_encode(const dma_addr_t addr,
const enum i915_cache_level level)
{
gen8_pde_t pde = _PAGE_PRESENT | _PAGE_RW;
pde |= addr;
@ -610,15 +609,6 @@ static void gen8_ppgtt_insert_entries(struct i915_address_space *vm,
kunmap_px(ppgtt, pt_vaddr);
}
static void __gen8_do_map_pt(gen8_pde_t * const pde,
struct i915_page_table *pt,
struct drm_device *dev)
{
gen8_pde_t entry =
gen8_pde_encode(dev, px_dma(pt), I915_CACHE_LLC);
*pde = entry;
}
static void gen8_initialize_pd(struct i915_address_space *vm,
struct i915_page_directory *pd)
{
@ -626,7 +616,7 @@ static void gen8_initialize_pd(struct i915_address_space *vm,
container_of(vm, struct i915_hw_ppgtt, base);
gen8_pde_t scratch_pde;
scratch_pde = gen8_pde_encode(vm->dev, px_dma(ppgtt->scratch_pt),
scratch_pde = gen8_pde_encode(px_dma(ppgtt->scratch_pt),
I915_CACHE_LLC);
fill_px(vm->dev, pd, scratch_pde);
@ -911,7 +901,8 @@ static int gen8_alloc_va_range(struct i915_address_space *vm,
set_bit(pde, pd->used_pdes);
/* Map the PDE to the page table */
__gen8_do_map_pt(page_directory + pde, pt, vm->dev);
page_directory[pde] = gen8_pde_encode(px_dma(pt),
I915_CACHE_LLC);
/* NB: We haven't yet mapped ptes to pages. At this
* point we're still relying on insert_entries() */