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Commit 75afcf72 authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915: Always mark the PDP as dirty when altered 



We want to reload the PDP (and flush the TLB) when the addresses are
changed.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarMatthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170215084357.19977-17-chris@chris-wilson.co.uk
parent ec151f31

drivers/gpu/drm/i915/i915_gem_gtt.c

+2 −2
Original line number Diff line number Diff line
@@ -1085,7 +1085,6 @@ static int gen8_ppgtt_alloc_pdp(struct i915_address_space *vm, 
				struct i915_page_directory_pointer *pdp,

				u64 start, u64 length)

{

	struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vm);

	struct i915_page_directory *pd;

	u64 from = start;

	unsigned int pdpe;
@@ -1100,6 +1099,8 @@ static int gen8_ppgtt_alloc_pdp(struct i915_address_space *vm, 
			gen8_initialize_pd(vm, pd);

			gen8_ppgtt_set_pdpe(vm, pdp, pd, pdpe);

			pdp->used_pdpes++;



			mark_tlbs_dirty(i915_vm_to_ppgtt(vm));

		}



		ret = gen8_ppgtt_alloc_pd(vm, pd, start, length);
@@ -1111,7 +1112,6 @@ static int gen8_ppgtt_alloc_pdp(struct i915_address_space *vm, 
		}

	}



	mark_tlbs_dirty(ppgtt);

	return 0;



unwind: