[PATCH 3/5] drm/amd/pm: add Arcturus deep sleep control interface

[Evan Quan]

This is needed for UMD pstate switch.

Change-Id: I8e753c682c29fe420167b14b23f526ea9b0db42b
Signed-off-by: Evan Quan <evan.quan at amd.com>
---
 .../gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
index aab83b957246..81b584abeea2 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
@@ -2313,6 +2313,39 @@ static ssize_t arcturus_get_gpu_metrics(struct smu_context *smu,
 	return sizeof(struct gpu_metrics_v1_0);
 }
 
+static int arcturus_deep_sleep_control(struct smu_context *smu,
+				       bool enablement)
+{
+	struct amdgpu_device *adev = smu->adev;
+	int ret = 0;
+
+	if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_DS_GFXCLK_BIT)) {
+		ret = smu_cmn_feature_set_enabled(smu, SMU_FEATURE_DS_GFXCLK_BIT, enablement);
+		if (ret) {
+			dev_err(adev->dev, "Failed to %s GFXCLK DS!\n", enablement ? "enable" : "disable");
+			return ret;
+		}
+	}
+
+	if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_DS_SOCCLK_BIT)) {
+		ret = smu_cmn_feature_set_enabled(smu, SMU_FEATURE_DS_SOCCLK_BIT, enablement);
+		if (ret) {
+			dev_err(adev->dev, "Failed to %s SOCCLK DS!\n", enablement ? "enable" : "disable");
+			return ret;
+		}
+	}
+
+	if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_DS_LCLK_BIT)) {
+		ret = smu_cmn_feature_set_enabled(smu, SMU_FEATURE_DS_LCLK_BIT, enablement);
+		if (ret) {
+			dev_err(adev->dev, "Failed to %s LCLK DS!\n", enablement ? "enable" : "disable");
+			return ret;
+		}
+	}
+
+	return ret;
+}
+
 static const struct pptable_funcs arcturus_ppt_funcs = {
 	/* init dpm */
 	.get_allowed_feature_mask = arcturus_get_allowed_feature_mask,
@@ -2392,6 +2425,7 @@ static const struct pptable_funcs arcturus_ppt_funcs = {
 	.set_pp_feature_mask = smu_cmn_set_pp_feature_mask,
 	.get_gpu_metrics = arcturus_get_gpu_metrics,
 	.gfx_ulv_control = smu_v11_0_gfx_ulv_control,
+	.deep_sleep_control = arcturus_deep_sleep_control,
 };
 
 void arcturus_set_ppt_funcs(struct smu_context *smu)
-- 
2.28.0