drm/imagination: Use pvr_vm_context_get()

I missed this open-coded kref_get() while trying to debug a refcount
bug, so let's use the helper function here to avoid that waste of time
again in the future.

Fixes: ff5f643de0bf ("drm/imagination: Add GEM and VM related code")
Reviewed-by: Frank Binns <frank.binns@imgtec.com>
Link: https://patchwork.freedesktop.org/patch/msgid/8616641d-6005-4b25-bc0a-0b53985a0e08@imgtec.com
Signed-off-by: Matt Coster <matt.coster@imgtec.com>

diff --git a/drivers/gpu/drm/imagination/pvr_vm.c b/drivers/gpu/drm/imagination/pvr_vm.c
index e59517b..ffd4665 100644 (file)
--- a/drivers/gpu/drm/imagination/pvr_vm.c
+++ b/drivers/gpu/drm/imagination/pvr_vm.c
@@ -636,9 +636,7 @@ pvr_vm_context_lookup(struct pvr_file *pvr_file, u32 handle)
 
        xa_lock(&pvr_file->vm_ctx_handles);
        vm_ctx = xa_load(&pvr_file->vm_ctx_handles, handle);
-       if (vm_ctx)
-               kref_get(&vm_ctx->ref_count);
-
+       pvr_vm_context_get(vm_ctx);
        xa_unlock(&pvr_file->vm_ctx_handles);
 
        return vm_ctx;