[PATCH] drm/i915/gt: Report full vm address range

[Andi Shyti <andi.shyti@linux.intel.com>]

Commit 9bb66c179f50 ("drm/i915: Reserve some kernel space per
vm") has reserved an object for kernel space usage.

Userspace, though, needs to know the full address range.

Fixes: 9bb66c179f50 ("drm/i915: Reserve some kernel space per vm")
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Chris Wilson <chris.p.wilson@linux.intel.com>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: Michal Mrozek <michal.mrozek@intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Cc: <stable@vger.kernel.org> # v6.2+
---
 drivers/gpu/drm/i915/gt/gen8_ppgtt.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
index fa46d2308b0e..d76831f50106 100644
--- a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
+++ b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
@@ -982,8 +982,9 @@ static int gen8_init_rsvd(struct i915_address_space *vm)
 
 	vm->rsvd.vma = i915_vma_make_unshrinkable(vma);
 	vm->rsvd.obj = obj;
-	vm->total -= vma->node.size;
+
 	return 0;
+
 unref:
 	i915_gem_object_put(obj);
 	return ret;
-- 
2.43.0