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From 132c681a86fa6085110da5ad62ec973c1d2fd07e Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Tue, 29 Dec 2015 11:23:16 +0800
Subject: [PATCH 0163/1110] drm/amd/powerplay: implement power down asic task
for CZ
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c | 55 ++++++++++++++++++++++++++
1 file changed, 55 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
index 65ad24a..0874ab4 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
@@ -925,6 +925,54 @@ static struct phm_master_table_header cz_setup_asic_master = {
cz_setup_asic_list
};
+static int cz_tf_power_up_display_clock_sys_pll(struct pp_hwmgr *hwmgr,
+ void *input, void *output,
+ void *storage, int result)
+{
+ struct cz_hwmgr *hw_data = (struct cz_hwmgr *)(hwmgr->backend);
+ hw_data->disp_clk_bypass_pending = false;
+ hw_data->disp_clk_bypass = false;
+
+ return 0;
+}
+
+static int cz_tf_clear_nb_dpm_flag(struct pp_hwmgr *hwmgr,
+ void *input, void *output,
+ void *storage, int result)
+{
+ struct cz_hwmgr *hw_data = (struct cz_hwmgr *)(hwmgr->backend);
+ hw_data->is_nb_dpm_enabled = false;
+
+ return 0;
+}
+
+static int cz_tf_reset_cc6_data(struct pp_hwmgr *hwmgr,
+ void *input, void *output,
+ void *storage, int result)
+{
+ struct cz_hwmgr *hw_data = (struct cz_hwmgr *)(hwmgr->backend);
+
+ hw_data->cc6_settings.cc6_setting_changed = false;
+ hw_data->cc6_settings.cpu_pstate_separation_time = 0;
+ hw_data->cc6_settings.cpu_cc6_disable = false;
+ hw_data->cc6_settings.cpu_pstate_disable = false;
+
+ return 0;
+}
+
+static struct phm_master_table_item cz_power_down_asic_list[] = {
+ {NULL, cz_tf_power_up_display_clock_sys_pll},
+ {NULL, cz_tf_clear_nb_dpm_flag},
+ {NULL, cz_tf_reset_cc6_data},
+ {NULL, NULL}
+};
+
+static struct phm_master_table_header cz_power_down_asic_master = {
+ 0,
+ PHM_MasterTableFlag_None,
+ cz_power_down_asic_list
+};
+
static int cz_tf_program_voting_clients(struct pp_hwmgr *hwmgr, void *input,
void *output, void *storage, int result)
{
@@ -1126,6 +1174,13 @@ static int cz_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
return result;
}
+ result = phm_construct_table(hwmgr, &cz_power_down_asic_master,
+ &(hwmgr->power_down_asic));
+ if (result != 0) {
+ printk(KERN_ERR "[ powerplay ] Fail to construct power down ASIC\n");
+ return result;
+ }
+
result = phm_construct_table(hwmgr, &cz_disable_dpm_master,
&(hwmgr->disable_dynamic_state_management));
if (result != 0) {
--
2.7.4
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