From: JinZe.Xu <JinZe.Xu@amd.com>
Date: Thu, 26 Sep 2024 08:31:21 +0000 (+0800)
Subject: drm/amd/display: Noitfy DMCUB of D0/D3 state in hardware init
X-Git-Tag: v6.13-rc1~26^2~20^2~142
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=21b673da5192e1212059caf1154c3749a9be66fa;p=linux-2.6-block.git

drm/amd/display: Noitfy DMCUB of D0/D3 state in hardware init

[Why]
Missing a dc_dmub_srv_notify_fw_dc_power_state in driver init.

[How]
Notify DMCUB of D0 state in hardware_init.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: JinZe.Xu <JinZe.Xu@amd.com>
Signed-off-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 57ad6ce88f3f..981d9a327daf 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1431,6 +1431,7 @@ void dc_hardware_init(struct dc *dc)
 	detect_edp_presence(dc);
 	if (dc->ctx->dce_environment != DCE_ENV_VIRTUAL_HW)
 		dc->hwss.init_hw(dc);
+	dc_dmub_srv_notify_fw_dc_power_state(dc->ctx->dmub_srv, DC_ACPI_CM_POWER_STATE_D0);
 }
 
 void dc_init_callbacks(struct dc *dc,