From: Rex Zhu <Rex.Zhu@amd.com>
Date: Thu, 20 Sep 2018 08:47:06 +0000 (+0800)
Subject: drm/amd/pp: Disable dpm features on smu7/8 when suspend
X-Git-Tag: v5.4-rc1~2273^2~20^2~20
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d355f149d082e43ff9f5194afc3ebb32707ae01d;p=platform%2Fkernel%2Flinux-rpi.git

drm/amd/pp: Disable dpm features on smu7/8 when suspend

Need to disable dpm features before halt rlc.

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 04b7da0..0bfb3b4 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -5035,6 +5035,18 @@ static int smu7_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_hw
 	return 0;
 }
 
+static int smu7_power_off_asic(struct pp_hwmgr *hwmgr)
+{
+	int result;
+
+	result = smu7_disable_dpm_tasks(hwmgr);
+	PP_ASSERT_WITH_CODE((0 == result),
+			"[disable_dpm_tasks] Failed to disable DPM!",
+			);
+
+	return result;
+}
+
 static const struct pp_hwmgr_func smu7_hwmgr_funcs = {
 	.backend_init = &smu7_hwmgr_backend_init,
 	.backend_fini = &smu7_hwmgr_backend_fini,
@@ -5092,6 +5104,7 @@ static const struct pp_hwmgr_func smu7_hwmgr_funcs = {
 	.get_power_profile_mode = smu7_get_power_profile_mode,
 	.set_power_profile_mode = smu7_set_power_profile_mode,
 	.get_performance_level = smu7_get_performance_level,
+	.power_off_asic = smu7_power_off_asic,
 };
 
 uint8_t smu7_get_sleep_divider_id_from_clock(uint32_t clock,
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
index b863704..53cf787 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
@@ -880,7 +880,7 @@ static int smu8_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *input)
 	smu8_update_low_mem_pstate(hwmgr, input);
 
 	return 0;
-};
+}
 
 
 static int smu8_setup_asic_task(struct pp_hwmgr *hwmgr)
@@ -934,14 +934,6 @@ static void smu8_reset_cc6_data(struct pp_hwmgr *hwmgr)
 	hw_data->cc6_settings.cpu_pstate_disable = false;
 }
 
-static int smu8_power_off_asic(struct pp_hwmgr *hwmgr)
-{
-	smu8_power_up_display_clock_sys_pll(hwmgr);
-	smu8_clear_nb_dpm_flag(hwmgr);
-	smu8_reset_cc6_data(hwmgr);
-	return 0;
-};
-
 static void smu8_program_voting_clients(struct pp_hwmgr *hwmgr)
 {
 	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
@@ -1011,6 +1003,17 @@ static void smu8_reset_acp_boot_level(struct pp_hwmgr *hwmgr)
 	data->acp_boot_level = 0xff;
 }
 
+static int smu8_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
+{
+	smu8_program_voting_clients(hwmgr);
+	if (smu8_start_dpm(hwmgr))
+		return -EINVAL;
+	smu8_program_bootup_state(hwmgr);
+	smu8_reset_acp_boot_level(hwmgr);
+
+	return 0;
+}
+
 static int smu8_disable_dpm_tasks(struct pp_hwmgr *hwmgr)
 {
 	smu8_disable_nb_dpm(hwmgr);
@@ -1020,18 +1023,16 @@ static int smu8_disable_dpm_tasks(struct pp_hwmgr *hwmgr)
 		return -EINVAL;
 
 	return 0;
-};
+}
 
-static int smu8_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
+static int smu8_power_off_asic(struct pp_hwmgr *hwmgr)
 {
-	smu8_program_voting_clients(hwmgr);
-	if (smu8_start_dpm(hwmgr))
-		return -EINVAL;
-	smu8_program_bootup_state(hwmgr);
-	smu8_reset_acp_boot_level(hwmgr);
-
+	smu8_disable_dpm_tasks(hwmgr);
+	smu8_power_up_display_clock_sys_pll(hwmgr);
+	smu8_clear_nb_dpm_flag(hwmgr);
+	smu8_reset_cc6_data(hwmgr);
 	return 0;
-};
+}
 
 static int smu8_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
 				struct pp_power_state  *prequest_ps,