[Intel-gfx] [PATCH 4/8] drm/i915/migrate: fix offset calculation
Matthew Auld
matthew.auld at intel.com
Thu Dec 2 18:15:11 UTC 2021
Ensure we add the engine base only after we calculate the qword offset
into the PTE window.
Signed-off-by: Matthew Auld <matthew.auld at intel.com>
Cc: Thomas Hellström <thomas.hellstrom at linux.intel.com>
Cc: Ramalingam C <ramalingam.c at intel.com>
---
drivers/gpu/drm/i915/gt/intel_migrate.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_migrate.c b/drivers/gpu/drm/i915/gt/intel_migrate.c
index d553b76b1168..cb0bb3b94644 100644
--- a/drivers/gpu/drm/i915/gt/intel_migrate.c
+++ b/drivers/gpu/drm/i915/gt/intel_migrate.c
@@ -284,10 +284,10 @@ static int emit_pte(struct i915_request *rq,
GEM_BUG_ON(GRAPHICS_VER(rq->engine->i915) < 8);
/* Compute the page directory offset for the target address range */
- offset += (u64)rq->engine->instance << 32;
offset >>= 12;
offset *= sizeof(u64);
offset += 2 * CHUNK_SZ;
+ offset += (u64)rq->engine->instance << 32;
cs = intel_ring_begin(rq, 6);
if (IS_ERR(cs))
--
2.31.1
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