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Commit 18c7962b authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915/gtt: Markup i915_ppgtt height 



This will be useful to consolidate recursive code.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarMika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190712094327.24437-3-chris@chris-wilson.co.uk
parent a9abea97

drivers/gpu/drm/i915/i915_gem_gtt.c

+2 −0
Original line number Diff line number Diff line
@@ -1598,6 +1598,7 @@ static struct i915_ppgtt *gen8_ppgtt_create(struct drm_i915_private *i915) 
		return ERR_PTR(-ENOMEM);



	ppgtt_init(ppgtt, &i915->gt);

	ppgtt->vm.top = i915_vm_is_4lvl(&ppgtt->vm) ? 3 : 2;



	/*

	 * From bdw, there is hw support for read-only pages in the PPGTT.
@@ -2084,6 +2085,7 @@ static struct i915_ppgtt *gen6_ppgtt_create(struct drm_i915_private *i915) 
		return ERR_PTR(-ENOMEM);



	ppgtt_init(&ppgtt->base, &i915->gt);

	ppgtt->base.vm.top = 1;



	ppgtt->base.vm.allocate_va_range = gen6_alloc_va_range;

	ppgtt->base.vm.clear_range = gen6_ppgtt_clear_range;

drivers/gpu/drm/i915/i915_gem_gtt.h

+1 −0
Original line number Diff line number Diff line
@@ -323,6 +323,7 @@ struct i915_address_space { 
	struct i915_page_dma scratch_pt;

	struct i915_page_dma scratch_pd;

	struct i915_page_dma scratch_pdp; /* GEN8+ & 48b PPGTT */

	unsigned int top;



	/**

	 * List of vma currently bound.