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drm/i915/migrate: fix length calculation
author
Matthew Auld
<matthew.auld@intel.com>
Mon, 6 Dec 2021 11:25:38 +0000
(11:25 +0000)
committer
Matthew Auld
<matthew.auld@intel.com>
Wed, 8 Dec 2021 10:25:26 +0000
(10:25 +0000)
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
drivers/gpu/drm/i915/gt/intel_migrate.c
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diff --git
a/drivers/gpu/drm/i915/gt/intel_migrate.c
b/drivers/gpu/drm/i915/gt/intel_migrate.c
index
64afb9a
..
19a0187
100644
(file)
--- a/
drivers/gpu/drm/i915/gt/intel_migrate.c
+++ b/
drivers/gpu/drm/i915/gt/intel_migrate.c
@@
-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;