[PATCH 3/6] drm/i915/gtt: Introduce init_pd_with_page
Mika Kuoppala
mika.kuoppala at linux.intel.com
Mon Jun 3 12:04:07 UTC 2019
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 at linux.intel.com>
---
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 47197234ca4a..1f4b6e78dd45 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -703,12 +703,12 @@ 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((void **)pd->entry, vm->scratch_pt, I915_PDES);
+ fill_px(vm, pd, gen8_pde_encode(px_dma(pt), I915_CACHE_LLC));
+ memset_p((void **)pd->entry, pt, 512);
}
static struct i915_page_directory *
@@ -1228,7 +1228,7 @@ 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_pdp(vm, vm->scratch_pdp);
@@ -1392,7 +1392,7 @@ static int gen8_ppgtt_alloc_pdp(struct i915_address_space *vm,
goto unwind;
}
- gen8_initialize_pd(vm, pd);
+ init_pd_with_page(vm, pd, vm->scratch_pt);
gen8_ppgtt_set_pdpe(vm, pdp, pd, pdpe);
GEM_BUG_ON(pdp->used > i915_pdpes_per_pdp(vm));
}
@@ -1474,7 +1474,7 @@ static int gen8_preallocate_top_level_pdp(struct i915_hw_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);
pdp->used++;
}
--
2.17.1
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