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drm/i915/migrate: fix length calculation

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[ Upstream commit 31d70749bf ]

No need to insert PTEs for the PTE window itself, also foreach expects a
length not an end offset, which could be gigantic here with a second
engine.

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/20211206112539.3149779-3-matthew.auld@intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Matthew Auld 2021-12-06 11:25:38 +00:00 • committed by Justin Hammond
parent 7afdef0f46
commit 217e482372
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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@ -133,7 +133,7 @@ static struct i915_address_space *migrate_vm(struct intel_gt *gt)
goto err_vm;
/* Now allow the GPU to rewrite the PTE via its own ppGTT */
vm->vm.foreach(&vm->vm, base, base + sz, insert_pte, &d);
vm->vm.foreach(&vm->vm, base, d.offset - base, insert_pte, &d);
}
return &vm->vm;