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drm/i915/migrate: fix offset calculation

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Ensure we add the engine base only after we calculate the qword offset
into the PTE window.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Ramalingam C <ramalingam.c@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211206112539.3149779-2-matthew.auld@intel.com
This commit is contained in:
Matthew Auld 2021-12-06 11:25:37 +00:00
parent 8eb7fcce34
commit 08c7c122ad
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/gt/intel_migrate.c
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@ -279,10 +279,10 @@ 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))