drm/amd/pm: correct the runpm handling for BACO supported ASIC

Via the fSMC_MSG_ArmD3 message, PMFW can properly act on the
Dstate change. Driver involvement for determining the timing for
BACO enter/exit is not needed.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/inc/smu_v11_0.h

@@ -244,6 +244,9 @@ int smu_v11_0_baco_set_state(struct smu_context *smu, enum smu_baco_state state)
 int smu_v11_0_baco_enter(struct smu_context *smu);
 int smu_v11_0_baco_exit(struct smu_context *smu);
 
+int smu_v11_0_baco_set_armd3_sequence(struct smu_context *smu,
+				      enum smu_v11_0_baco_seq baco_seq);
+
 int smu_v11_0_mode1_reset(struct smu_context *smu);
 
 int smu_v11_0_get_dpm_ultimate_freq(struct smu_context *smu, enum smu_clk_type clk_type,

drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c

@@ -2255,6 +2255,29 @@ static int navi10_overdrive_get_gfx_clk_base_voltage(struct smu_context *smu,
 	return 0;
 }
 
+static int navi10_baco_enter(struct smu_context *smu)
+{
+	struct amdgpu_device *adev = smu->adev;
+
+	if (adev->in_runpm)
+		return smu_v11_0_baco_set_armd3_sequence(smu, BACO_SEQ_BACO);
+	else
+		return smu_v11_0_baco_enter(smu);
+}
+
+static int navi10_baco_exit(struct smu_context *smu)
+{
+	struct amdgpu_device *adev = smu->adev;
+
+	if (adev->in_runpm) {
+		/* Wait for PMFW handling for the Dstate change */
+		msleep(10);
+		return smu_v11_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS);
+	} else {
+		return smu_v11_0_baco_exit(smu);
+	}
+}
+
 static int navi10_set_default_od_settings(struct smu_context *smu)
 {
 	OverDriveTable_t *od_table =
@@ -3105,8 +3128,8 @@ static const struct pptable_funcs navi10_ppt_funcs = {
 	.baco_is_support = smu_v11_0_baco_is_support,
 	.baco_get_state = smu_v11_0_baco_get_state,
 	.baco_set_state = smu_v11_0_baco_set_state,
-	.baco_enter = smu_v11_0_baco_enter,
-	.baco_exit = smu_v11_0_baco_exit,
+	.baco_enter = navi10_baco_enter,
+	.baco_exit = navi10_baco_exit,
 	.get_dpm_ultimate_freq = smu_v11_0_get_dpm_ultimate_freq,
 	.set_soft_freq_limited_range = smu_v11_0_set_soft_freq_limited_range,
 	.set_default_od_settings = navi10_set_default_od_settings,

drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c

@@ -2121,6 +2121,29 @@ static int sienna_cichlid_run_btc(struct smu_context *smu)
 	return smu_cmn_send_smc_msg(smu, SMU_MSG_RunDcBtc, NULL);
 }
 
+static int sienna_cichlid_baco_enter(struct smu_context *smu)
+{
+	struct amdgpu_device *adev = smu->adev;
+
+	if (adev->in_runpm)
+		return smu_v11_0_baco_set_armd3_sequence(smu, BACO_SEQ_BACO);
+	else
+		return smu_v11_0_baco_enter(smu);
+}
+
+static int sienna_cichlid_baco_exit(struct smu_context *smu)
+{
+	struct amdgpu_device *adev = smu->adev;
+
+	if (adev->in_runpm) {
+		/* Wait for PMFW handling for the Dstate change */
+		msleep(10);
+		return smu_v11_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS);
+	} else {
+		return smu_v11_0_baco_exit(smu);
+	}
+}
+
 static bool sienna_cichlid_is_mode1_reset_supported(struct smu_context *smu)
 {
 	struct amdgpu_device *adev = smu->adev;
@@ -3899,8 +3922,8 @@ static const struct pptable_funcs sienna_cichlid_ppt_funcs = {
 	.baco_is_support = smu_v11_0_baco_is_support,
 	.baco_get_state = smu_v11_0_baco_get_state,
 	.baco_set_state = smu_v11_0_baco_set_state,
-	.baco_enter = smu_v11_0_baco_enter,
-	.baco_exit = smu_v11_0_baco_exit,
+	.baco_enter = sienna_cichlid_baco_enter,
+	.baco_exit = sienna_cichlid_baco_exit,
 	.mode1_reset_is_support = sienna_cichlid_is_mode1_reset_supported,
 	.mode1_reset = smu_v11_0_mode1_reset,
 	.get_dpm_ultimate_freq = sienna_cichlid_get_dpm_ultimate_freq,

drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c

@@ -1474,7 +1474,8 @@ int smu_v11_0_set_azalia_d3_pme(struct smu_context *smu)
 	return smu_cmn_send_smc_msg(smu, SMU_MSG_BacoAudioD3PME, NULL);
 }
 
-static int smu_v11_0_baco_set_armd3_sequence(struct smu_context *smu, enum smu_v11_0_baco_seq baco_seq)
+int smu_v11_0_baco_set_armd3_sequence(struct smu_context *smu,
+				      enum smu_v11_0_baco_seq baco_seq)
 {
 	return smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_ArmD3, baco_seq, NULL);
 }
@@ -1578,16 +1579,8 @@ int smu_v11_0_baco_set_state(struct smu_context *smu, enum smu_baco_state state)
 
 int smu_v11_0_baco_enter(struct smu_context *smu)
 {
-	struct amdgpu_device *adev = smu->adev;
 	int ret = 0;
 
-	/* Arcturus does not need this audio workaround */
-	if (adev->asic_type != CHIP_ARCTURUS) {
-		ret = smu_v11_0_baco_set_armd3_sequence(smu, BACO_SEQ_BACO);
-		if (ret)
-			return ret;
-	}
-
 	ret = smu_v11_0_baco_set_state(smu, SMU_BACO_STATE_ENTER);
 	if (ret)
 		return ret;