drm/i915: Extract ilk_dpll_compute_fp()

Let's not repeat ourselves so much and pull the entire
PCH DPLL FP register value calculation into its own
function.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-7-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2024-04-12 21:26:51 +03:00
commit 897e85de17