drm/i915/cx0: Factor out C10 msgbus access start/end helpers

Factor out functions to begin and complete C10 PHY programming
sequences to make the code more concise.

v2: Rename msgbus_update_config() to more descriptive
    msg_bus_access_commit() (Jani)

Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/20251117104602.2363671-3-mika.kahola@intel.com
This commit is contained in:
Imre Deak 2025-11-17 12:45:32 +02:00 • committed by Mika Kahola
commit dca0eb029f