Commit 7d82cc35 authored by Mika Kuoppala's avatar Mika Kuoppala

drm/i915/gtt: No need to zero the table for page dirs

We set them to scratch right after allocation so prevent
useless zeroing before.

v2: atomic_t
v3: allow pdp alloc fail

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: default avatarMika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190614164350.30415-1-mika.kuoppala@linux.intel.com
parent 0780f3b6
...@@ -688,7 +688,7 @@ static struct i915_page_directory *alloc_pd(struct i915_address_space *vm) ...@@ -688,7 +688,7 @@ static struct i915_page_directory *alloc_pd(struct i915_address_space *vm)
{ {
struct i915_page_directory *pd; struct i915_page_directory *pd;
pd = kzalloc(sizeof(*pd), I915_GFP_ALLOW_FAIL); pd = kmalloc(sizeof(*pd), I915_GFP_ALLOW_FAIL);
if (unlikely(!pd)) if (unlikely(!pd))
return ERR_PTR(-ENOMEM); return ERR_PTR(-ENOMEM);
...@@ -748,7 +748,7 @@ alloc_pdp(struct i915_address_space *vm) ...@@ -748,7 +748,7 @@ alloc_pdp(struct i915_address_space *vm)
GEM_BUG_ON(!i915_vm_is_4lvl(vm)); GEM_BUG_ON(!i915_vm_is_4lvl(vm));
pdp = kzalloc(sizeof(*pdp), GFP_KERNEL); pdp = kmalloc(sizeof(*pdp), I915_GFP_ALLOW_FAIL);
if (!pdp) if (!pdp)
return ERR_PTR(-ENOMEM); return ERR_PTR(-ENOMEM);
......
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