[PATCH 197/459] drm/amd/powerplay: add new interface for vcn powergating

[Alex Deucher]

From: Kenneth Feng <kenneth.feng at amd.com>

add new interface for vcn powrergating and vcn dpm as well.

Signed-off-by: Kenneth Feng <kenneth.feng at amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Reviewed-by: Huang Rui <ray.huang at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 .../gpu/drm/amd/powerplay/inc/amdgpu_smu.h    |  4 +++
 drivers/gpu/drm/amd/powerplay/navi10_ppt.c    | 28 +++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index 5fdf983d6dc6..8ab9d259b453 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -224,6 +224,10 @@ enum smu_message_type
 	SMU_MSG_PrepareMp1ForShutdown,
 	SMU_MSG_SetMGpuFanBoostLimitRpm,
 	SMU_MSG_GetAVFSVoltageByDpm,
+	SMU_MSG_PowerUpVcn,
+	SMU_MSG_PowerDownVcn,
+	SMU_MSG_PowerUpJpeg,
+	SMU_MSG_PowerDownJpeg,
 	SMU_MSG_MAX_COUNT,
 };
 
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index 7fc7fd7c2fa0..e0d02a2458c5 100644
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -97,6 +97,10 @@ static int navi10_message_map[SMU_MSG_MAX_COUNT] = {
 	MSG_MAP(ExitBaco,			PPSMC_MSG_ExitBaco),
 	MSG_MAP(PrepareMp1ForReset,		PPSMC_MSG_PrepareMp1ForReset),
 	MSG_MAP(PrepareMp1ForShutdown,		PPSMC_MSG_PrepareMp1ForShutdown),
+	MSG_MAP(PowerUpVcn,		PPSMC_MSG_PowerUpVcn),
+	MSG_MAP(PowerDownVcn,		PPSMC_MSG_PowerDownVcn),
+	MSG_MAP(PowerUpJpeg,		PPSMC_MSG_PowerUpJpeg),
+	MSG_MAP(PowerDownJpeg,		PPSMC_MSG_PowerDownJpeg),
 };
 
 static int navi10_clk_map[SMU_CLK_COUNT] = {
@@ -470,6 +474,29 @@ static int navi10_set_default_dpm_table(struct smu_context *smu)
 	return 0;
 }
 
+static int navi10_dpm_set_uvd_enable(struct smu_context *smu, bool enable)
+{
+	int ret = 0;
+	struct smu_power_context *smu_power = &smu->smu_power;
+	struct smu_power_gate *power_gate = &smu_power->power_gate;
+
+	if (enable && power_gate->uvd_gated) {
+		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_PowerUpVcn, 1);
+		if (ret)
+			return ret;
+		power_gate->uvd_gated = false;
+	} else {
+		if (!enable && !power_gate->uvd_gated) {
+			ret = smu_send_smc_msg(smu, SMU_MSG_PowerDownVcn);
+			if (ret)
+				return ret;
+			power_gate->uvd_gated = true;
+		}
+	}
+
+	return 0;
+}
+
 static const struct pptable_funcs navi10_ppt_funcs = {
 	.tables_init = navi10_tables_init,
 	.alloc_dpm_context = navi10_allocate_dpm_context,
@@ -483,6 +510,7 @@ static const struct pptable_funcs navi10_ppt_funcs = {
 	.get_smu_power_index= navi10_get_pwr_src_index,
 	.get_allowed_feature_mask = navi10_get_allowed_feature_mask,
 	.set_default_dpm_table = navi10_set_default_dpm_table,
+	.dpm_set_uvd_enable = navi10_dpm_set_uvd_enable,
 };
 
 void navi10_set_ppt_funcs(struct smu_context *smu)
-- 
2.20.1