This is a note to let you know that I've just added the patch titled
drm/imagination: Use pvr_vm_context_get()
to the 6.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-imagination-use-pvr_vm_context_get.patch
and it can be found in the queue-6.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 5e7d48268bb0b6b7716e4726ec32bfb1e1ebfb0f
Author: Matt Coster <Matt.Coster@xxxxxxxxxx>
Date: Fri Aug 30 15:06:01 2024 +0000
drm/imagination: Use pvr_vm_context_get()
[ Upstream commit eb4accc5234525e2cb2b720187ccaf6db99b705f ]
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@xxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/8616641d-6005-4b25-bc0a-0b53985a0e08@xxxxxxxxxx
Signed-off-by: Matt Coster <matt.coster@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/imagination/pvr_vm.c b/drivers/gpu/drm/imagination/pvr_vm.c
index 7bd6ba4c6e8ab..363f885a70982 100644
--- a/drivers/gpu/drm/imagination/pvr_vm.c
+++ b/drivers/gpu/drm/imagination/pvr_vm.c
@@ -654,9 +654,7 @@ 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;
