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

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

drivers/gpu/drm/i915/i915_gem_gtt.c

+2 −2
Original line number Diff line number Diff line
@@ -688,7 +688,7 @@ static struct i915_page_directory *alloc_pd(struct i915_address_space *vm) 
{

	struct i915_page_directory *pd;



	pd = kzalloc(sizeof(*pd), I915_GFP_ALLOW_FAIL);

	pd = kmalloc(sizeof(*pd), I915_GFP_ALLOW_FAIL);

	if (unlikely(!pd))

		return ERR_PTR(-ENOMEM);
@@ -748,7 +748,7 @@ alloc_pdp(struct i915_address_space *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)

		return ERR_PTR(-ENOMEM);

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