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From 303366e231acd37285009f8b4f6c9a586e829d51 Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@amd.com>
Date: Mon, 22 Oct 2018 14:35:40 +0800
Subject: [PATCH 0652/2940] drm/amd/powerplay: commit get_performance_level API
 as DAL needed

This can suppress the error reported on driver loading. Also these
are empty APIs as Vega12/Vega20 has no performance levels.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c | 8 ++++++++
 drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 9 +++++++++
 2 files changed, 17 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
index 9600e2f226e9..74bc37308dc0 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
@@ -2356,6 +2356,13 @@ static int vega12_gfx_off_control(struct pp_hwmgr *hwmgr, bool enable)
 		return vega12_disable_gfx_off(hwmgr);
 }
 
+static int vega12_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state,
+				PHM_PerformanceLevelDesignation designation, uint32_t index,
+				PHM_PerformanceLevel *level)
+{
+	return 0;
+}
+
 static const struct pp_hwmgr_func vega12_hwmgr_funcs = {
 	.backend_init = vega12_hwmgr_backend_init,
 	.backend_fini = vega12_hwmgr_backend_fini,
@@ -2406,6 +2413,7 @@ static const struct pp_hwmgr_func vega12_hwmgr_funcs = {
 	.register_irq_handlers = smu9_register_irq_handlers,
 	.start_thermal_controller = vega12_start_thermal_controller,
 	.powergate_gfx = vega12_gfx_off_control,
+	.get_performance_level = vega12_get_performance_level,
 };
 
 int vega12_hwmgr_init(struct pp_hwmgr *hwmgr)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
index 783bcbd39235..8a1ee9ce7386 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
@@ -2040,6 +2040,13 @@ int vega20_display_clock_voltage_request(struct pp_hwmgr *hwmgr,
 	return result;
 }
 
+static int vega20_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state,
+				PHM_PerformanceLevelDesignation designation, uint32_t index,
+				PHM_PerformanceLevel *level)
+{
+	return 0;
+}
+
 static int vega20_notify_smc_display_config_after_ps_adjustment(
 		struct pp_hwmgr *hwmgr)
 {
@@ -3486,6 +3493,8 @@ static const struct pp_hwmgr_func vega20_hwmgr_funcs = {
 		vega20_set_watermarks_for_clocks_ranges,
 	.display_clock_voltage_request =
 		vega20_display_clock_voltage_request,
+	.get_performance_level =
+		vega20_get_performance_level,
 	/* UMD pstate, profile related */
 	.force_dpm_level =
 		vega20_dpm_force_dpm_level,
-- 
2.17.1