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

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

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170215084357.19977-17-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2017-02-15 08:43:51 +00:00
commit 75afcf72c7
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/i915_gem_gtt.c
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@ -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: