We set the page directory entries to point into a page table.
There is no gen specifics in here so make it simple and
obvious.
Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 9a1f956a817a..9d87f0fb5b16 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -724,12 +724,12 @@ static void free_pd(struct i915_address_space *vm,
kfree(pd);
}
-static void gen8_initialize_pd(struct i915_address_space *vm,
- struct i915_page_directory *pd)
+static void init_pd_with_page(struct i915_address_space *vm,
+ struct i915_page_directory * const pd,
+ struct i915_page_table *pt)
{
- fill_px(vm, pd,
- gen8_pde_encode(px_dma(vm->scratch_pt), I915_CACHE_LLC));
- memset_p(pd->entry, vm->scratch_pt, I915_PDES);
+ fill_px(vm, pd, gen8_pde_encode(px_dma(pt), I915_CACHE_LLC));
+ memset_p(pd->entry, pt, 512);
}
static struct i915_page_directory *alloc_pdp(struct i915_address_space *vm)
@@ -1262,7 +1262,7 @@ static int gen8_init_scratch(struct i915_address_space *vm)
}
gen8_initialize_pt(vm, vm->scratch_pt);
- gen8_initialize_pd(vm, vm->scratch_pd);
+ init_pd_with_page(vm, vm->scratch_pd, vm->scratch_pt);
if (i915_vm_is_4lvl(vm))
gen8_initialize_4lvl_pdp(vm, vm->scratch_pdp);
@@ -1439,7 +1439,7 @@ static int gen8_ppgtt_alloc_pdp(struct i915_address_space *vm,
if (IS_ERR(pd))
goto unwind;
- gen8_initialize_pd(vm, pd);
+ init_pd_with_page(vm, pd, vm->scratch_pt);
old = cmpxchg(&pdp->entry[pdpe], vm->scratch_pd, pd);
if (old == vm->scratch_pd) {
@@ -1561,7 +1561,7 @@ static int gen8_preallocate_top_level_pdp(struct i915_ppgtt *ppgtt)
if (IS_ERR(pd))
goto unwind;
- gen8_initialize_pd(vm, pd);
+ init_pd_with_page(vm, pd, vm->scratch_pt);
gen8_ppgtt_set_pdpe(vm, pdp, pd, pdpe);
atomic_inc(&pdp->used);
--
2.17.1
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