This is a note to let you know that I've just added the patch titled
drm/xe/forcewake: Add a helper xe_force_wake_ref_has_domain()
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-xe-forcewake-add-a-helper-xe_force_wake_ref_has_.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 4edc411449743717e042d52181742d4c1bd84c5b
Author: Himal Prasad Ghimiray <himal.prasad.ghimiray@xxxxxxxxx>
Date: Mon Oct 14 13:25:38 2024 +0530
drm/xe/forcewake: Add a helper xe_force_wake_ref_has_domain()
[ Upstream commit 9d62b07027f0710b7af03d78780d0a6c2425bc1e ]
The helper xe_force_wake_ref_has_domain() checks if the input domain
has been successfully reference-counted and awakened in the reference.
v2
- Fix commit message and kernel-doc (Michal)
- Remove unnecessary paranthesis (Michal)
Cc: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
Cc: Badal Nilawar <badal.nilawar@xxxxxxxxx>
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@xxxxxxxxx>
Reviewed-by: Badal Nilawar <badal.nilawar@xxxxxxxxx>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20241014075601.2324382-4-himal.prasad.ghimiray@xxxxxxxxx
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Stable-dep-of: 5dce85fecb87 ("drm/xe: Move the coredump registration to the worker thread")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/xe/xe_force_wake.h b/drivers/gpu/drm/xe/xe_force_wake.h
index a2577672f4e3e..1608a55edc846 100644
--- a/drivers/gpu/drm/xe/xe_force_wake.h
+++ b/drivers/gpu/drm/xe/xe_force_wake.h
@@ -46,4 +46,20 @@ xe_force_wake_assert_held(struct xe_force_wake *fw,
xe_gt_assert(fw->gt, fw->awake_domains & domain);
}
+/**
+ * xe_force_wake_ref_has_domain - verifies if the domains are in fw_ref
+ * @fw_ref : the force_wake reference
+ * @domain : forcewake domain to verify
+ *
+ * This function confirms whether the @fw_ref includes a reference to the
+ * specified @domain.
+ *
+ * Return: true if domain is refcounted.
+ */
+static inline bool
+xe_force_wake_ref_has_domain(unsigned int fw_ref, enum xe_force_wake_domains domain)
+{
+ return fw_ref & domain;
+}
+
#endif
