drm/i915/alpm: Add own define for LFPS count

Add own define for LFPS count and use it for the configuration. This new
define will be used for calculating ALPM parameters as well.

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://lore.kernel.org/r/20250829053929.3585636-3-jouni.hogander@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_alpm.c b/drivers/gpu/drm/i915/display/intel_alpm.c
index e48a4218c163b58cfc13155d33c93b1f2131f3c7..ae556a885c2a385d355177fa303dce64e671ae28 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_alpm.c
+++ b/drivers/gpu/drm/i915/display/intel_alpm.c
@@ -22,6 +22,8 @@
                                (SILENCE_PERIOD_MAX_TIME -      \
                                 SILENCE_PERIOD_MIN_TIME) / 2)
 
+#define LFPS_CYCLE_COUNT 10
+
 bool intel_alpm_aux_wake_supported(struct intel_dp *intel_dp)
 {
        return intel_dp->alpm_dpcd & DP_ALPM_CAP;
@@ -403,7 +405,7 @@ void intel_alpm_port_configure(struct intel_dp *intel_dp,
                        PORT_ALPM_CTL_MAX_PHY_SWING_HOLD(0) |
                        PORT_ALPM_CTL_SILENCE_PERIOD(
                                intel_dp->alpm_parameters.silence_period_sym_clocks);
-               lfps_ctl_val = PORT_ALPM_LFPS_CTL_LFPS_CYCLE_COUNT(10) |
+               lfps_ctl_val = PORT_ALPM_LFPS_CTL_LFPS_CYCLE_COUNT(LFPS_CYCLE_COUNT) |
                        PORT_ALPM_LFPS_CTL_LFPS_HALF_CYCLE_DURATION(
                                intel_dp->alpm_parameters.lfps_half_cycle_num_of_syms) |
                        PORT_ALPM_LFPS_CTL_FIRST_LFPS_HALF_CYCLE_DURATION(