On 5/22/2015 6:05 PM, Mika Kuoppala wrote:
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@xxxxxxxxx>
Reviewed-by: Michel Thierry <michel.thierry@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 19 +++++--------------
1 file changed, 5 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index b938964..a1d6d7a 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -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;
@@ -606,15 +605,6 @@ 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)
{
@@ -622,7 +612,7 @@ 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);
@@ -906,7 +896,8 @@ 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() */
--
1.9.1
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