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drm/amd/display: Return early from vesa replay enable function

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[WHY & HOW]
If the enable state is already as expect then just return.

Reviewed-by: Robin Chen <robin.chen@amd.com>
Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Peichen Huang <PeiChen.Huang@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Peichen Huang 2026-02-06 15:10:25 +08:00 committed by Alex Deucher
parent 6cafbc1828
commit aef320b01c
1 changed files with 12 additions and 11 deletions
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23
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_panel_replay.c
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@ -252,23 +252,24 @@ bool dp_pr_enable(struct dc_link *link, bool enable)
if (!dp_pr_get_panel_inst(dc, link, &panel_inst))
return false;
if (link->replay_settings.replay_allow_active == enable)
return true;
if (enable && !dc_is_embedded_signal(link->connector_signal))
dp_pr_set_static_screen_param(link);
if (link->replay_settings.replay_allow_active != enable) {
//for sending PR enable commands to DMUB
memset(&cmd, 0, sizeof(cmd));
// for sending PR enable commands to DMUB
memset(&cmd, 0, sizeof(cmd));
cmd.pr_enable.header.type = DMUB_CMD__PR;
cmd.pr_enable.header.sub_type = DMUB_CMD__PR_ENABLE;
cmd.pr_enable.header.payload_bytes = sizeof(struct dmub_cmd_pr_enable_data);
cmd.pr_enable.data.panel_inst = panel_inst;
cmd.pr_enable.data.enable = enable ? 1 : 0;
cmd.pr_enable.header.type = DMUB_CMD__PR;
cmd.pr_enable.header.sub_type = DMUB_CMD__PR_ENABLE;
cmd.pr_enable.header.payload_bytes = sizeof(struct dmub_cmd_pr_enable_data);
cmd.pr_enable.data.panel_inst = panel_inst;
cmd.pr_enable.data.enable = enable ? 1 : 0;
dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
link->replay_settings.replay_allow_active = enable;
link->replay_settings.replay_allow_active = enable;
}
return true;
}