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drm/amd/display: Add Auxless-ALPM support in VESA Panel Replay

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Add Auxless-ALPM data in VESA PR initialization

Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Leon Huang <Leon.Huang1@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Leon Huang 2026-04-30 14:53:21 +08:00 committed by Alex Deucher
parent ba5e95b43b
commit 3bfb08576c
1 changed files with 13 additions and 0 deletions
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13
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_panel_replay.c
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@ -321,6 +321,19 @@ bool dp_pr_copy_settings(struct dc_link *link, struct replay_context *replay_con
cmd.pr_copy_settings.data.flags.bitfields.dsc_enable_status = (pipe_ctx->stream->timing.flags.DSC == 1);
cmd.pr_copy_settings.data.debug.u32All = link->replay_settings.config.debug_flags;
// ALPM settings
cmd.pr_copy_settings.data.flags.bitfields.alpm_mode = (enum dmub_alpm_mode)link->replay_settings.config.alpm_mode;
if (link->replay_settings.config.alpm_mode == DC_ALPM_AUXLESS) {
cmd.pr_copy_settings.data.auxless_alpm_data.lfps_setup_ns = (uint16_t)dc->debug.auxless_alpm_lfps_setup_ns;
cmd.pr_copy_settings.data.auxless_alpm_data.lfps_period_ns = (uint16_t)dc->debug.auxless_alpm_lfps_period_ns;
cmd.pr_copy_settings.data.auxless_alpm_data.lfps_silence_ns = (uint16_t)dc->debug.auxless_alpm_lfps_silence_ns;
cmd.pr_copy_settings.data.auxless_alpm_data.lfps_t1_t2_override_us =
(uint16_t)dc->debug.auxless_alpm_lfps_t1t2_us;
cmd.pr_copy_settings.data.auxless_alpm_data.lfps_t1_t2_offset_us =
(uint16_t)dc->debug.auxless_alpm_lfps_t1t2_offset_us;
cmd.pr_copy_settings.data.auxless_alpm_data.lttpr_count = link->dc->link_srv->dp_get_lttpr_count(link);
}
cmd.pr_copy_settings.data.su_granularity_needed = link->dpcd_caps.vesa_replay_caps.bits.PR_SU_GRANULARITY_NEEDED;
cmd.pr_copy_settings.data.su_x_granularity = link->dpcd_caps.vesa_replay_su_info.pr_su_x_granularity;
cmd.pr_copy_settings.data.su_y_granularity = link->dpcd_caps.vesa_replay_su_info.pr_su_y_granularity;