drm/i915/vrr: Write DC balance params to hw registers

Write DC Balance parameters to hw registers.

--v2:
- Update commit header.
- Separate crtc_state params from this patch. (Ankit)

--v3:
- Write registers at compute config.
- Update condition for write.

--v4:
- Address issue with state checker.

--v5:
- Initialise some more dc balance register while enabling VRR.

--v6:
- FLIPLINE_CFG need to be configure at last, as it is double buffer
arming point.

--v7:
- Initialise and reset live value of vmax and vmin as well.

--v8:
- Add separate functions while writing hw registers. (Ankit)

--v9:
- Add DC Balance counter enable bit to this patch. (Ankit)

--v10:
- Add rigister writes to vrr_enable/disable. (Ankit)

Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patch.msgid.link/20251223104542.2688548-12-mitulkumar.ajitkumar.golani@intel.com

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