Commit e9c62c86 authored by Jouni Högander's avatar Jouni Högander
Browse files

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: default avatarJouni Högander <jouni.hogander@intel.com>
Reviewed-by: default avatarAnimesh Manna <animesh.manna@intel.com>
Link: https://lore.kernel.org/r/20250829053929.3585636-3-jouni.hogander@intel.com
parent 3b5b2567

drivers/gpu/drm/i915/display/intel_alpm.c

+3 −1
Original line number Diff line number Diff line
@@ -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(