Commit 08c7c122 authored by Matthew Auld's avatar Matthew Auld
Browse files

drm/i915/migrate: fix offset calculation 



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

Signed-off-by: default avatarMatthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: default avatarRamalingam C <ramalingam.c@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211206112539.3149779-2-matthew.auld@intel.com
parent 8eb7fcce

drivers/gpu/drm/i915/gt/intel_migrate.c

+1 −1
Original line number Diff line number Diff line
@@ -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))