From: Leon Huang Date: Thu, 30 Apr 2026 06:53:21 +0000 (+0800) Subject: drm/amd/display: Add Auxless-ALPM support in VESA Panel Replay X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3bfb08576cdd6b1aa228772d82b0ddc1f1b3cf86;p=thirdparty%2Flinux.git drm/amd/display: Add Auxless-ALPM support in VESA Panel Replay [How] Add Auxless-ALPM data in VESA PR initialization Reviewed-by: Wenjing Liu Signed-off-by: Leon Huang Signed-off-by: Ivan Lipski Tested-by: Dan Wheeler Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_panel_replay.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_panel_replay.c index 72d6e6011a09..d87f87a02d63 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_panel_replay.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_panel_replay.c @@ -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;