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drm/amd/display: Notify display idle on D3

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[Why & How]
Display idle notification shall
be sent by driver on D3 entry. Implement
notification to DMUB and PMFW.

Reviewed-by: Duncan Ma <duncan.ma@amd.com>
Signed-off-by: Duncan Ma <Duncan.Ma@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Duncan Ma 2025-03-31 12:35:11 -04:00 committed by Alex Deucher
parent f354556e29
commit 2ee27baf5c
2 changed files with 10 additions and 0 deletions
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9
drivers/gpu/drm/amd/display/dc/core/dc.c
View File

@ -5547,6 +5547,15 @@ void dc_set_power_state(struct dc *dc, enum dc_acpi_cm_power_state power_state)
dc->hwss.init_sys_ctx(dc->hwseq, dc, &dc->vm_pa_config);
}
break;
case DC_ACPI_CM_POWER_STATE_D3:
if (dc->caps.ips_support)
dc_dmub_srv_notify_fw_dc_power_state(dc->ctx->dmub_srv, DC_ACPI_CM_POWER_STATE_D3);
if (dc->caps.ips_v2_support) {
if (dc->clk_mgr->funcs->set_low_power_state)
dc->clk_mgr->funcs->set_low_power_state(dc->clk_mgr);
}
break;
default:
ASSERT(dc->current_state->stream_count == 0);
dc_dmub_srv_notify_fw_dc_power_state(dc->ctx->dmub_srv, power_state);

1
drivers/gpu/drm/amd/display/dc/dc.h
View File

@ -311,6 +311,7 @@ struct dc_caps {
bool dmcub_support;
bool zstate_support;
bool ips_support;
bool ips_v2_support;
uint32_t num_of_internal_disp;
enum dp_protocol_version max_dp_protocol_version;
unsigned int mall_size_per_mem_channel;