[Intel-gfx] [PATCH v3 17/23] drm/i915: Always mark the PDP as dirty when altered

[Chris Wilson]

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

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>
---
 drivers/gpu/drm/i915/i915_gem_gtt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index c59088b1004e..96c9c86a5f37 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -1084,7 +1084,6 @@ 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;
@@ -1099,6 +1098,8 @@ 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);
@@ -1110,7 +1111,6 @@ static int gen8_ppgtt_alloc_pdp(struct i915_address_space *vm,
 		}
 	}
 
-	mark_tlbs_dirty(ppgtt);
 	return 0;
 
 unwind:
-- 
2.11.0