drm/xe/hdcp: Update handling of xe_force_wake_get return

xe_force_wake_get() now returns the reference count-incremented domain
mask. If it fails for individual domains, the return value will always
be 0. However, for XE_FORCEWAKE_ALL, it may return a non-zero value even
in the event of failure. Update the return handling of xe_force_wake_get()
to reflect this behavior, and ensure that the return value is passed as
input to xe_force_wake_put().

v3
- return xe_wakeref_t instead of int in xe_force_wake_get()

v5
- return unsigned int for xe_force_wake_get()

v7
- Fix commit message

Cc: Suraj Kandpal <[email protected]>
Cc: Daniele Ceraolo Spurio <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
Cc: Lucas De Marchi <[email protected]>
Signed-off-by: Himal Prasad Ghimiray <[email protected]>
Reviewed-by: Suraj Kandpal <[email protected]>
Reviewed-by: Nirmoy Das <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Rodrigo Vivi <[email protected]>

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