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From e10dda05e76a3045dfa93cee7a33da8739693912 Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Wed, 16 May 2018 20:09:09 +0800
Subject: [PATCH 4497/5725] drm/amd/pp: Add smu support for VCN powergating on
RV
Change-Id: I56283fa94c7bf3778a988369f18f83648ea2a55d
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
index fdb0282..2df791c 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
@@ -1128,6 +1128,23 @@ static int smu10_set_mmhub_powergating_by_smu(struct pp_hwmgr *hwmgr)
return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerGateMmHub);
}
+static void smu10_powergate_vcn(struct pp_hwmgr *hwmgr, bool bgate)
+{
+ if (bgate) {
+ amdgpu_device_ip_set_powergating_state(hwmgr->adev,
+ AMD_IP_BLOCK_TYPE_VCN,
+ AMD_PG_STATE_GATE);
+ smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_PowerDownVcn, 0);
+ } else {
+ smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_PowerUpVcn, 0);
+ amdgpu_device_ip_set_powergating_state(hwmgr->adev,
+ AMD_IP_BLOCK_TYPE_VCN,
+ AMD_PG_STATE_UNGATE);
+ }
+}
+
static const struct pp_hwmgr_func smu10_hwmgr_funcs = {
.backend_init = smu10_hwmgr_backend_init,
.backend_fini = smu10_hwmgr_backend_fini,
@@ -1136,7 +1153,7 @@ static const struct pp_hwmgr_func smu10_hwmgr_funcs = {
.force_dpm_level = smu10_dpm_force_dpm_level,
.get_power_state_size = smu10_get_power_state_size,
.powerdown_uvd = NULL,
- .powergate_uvd = NULL,
+ .powergate_uvd = smu10_powergate_vcn,
.powergate_vce = NULL,
.get_mclk = smu10_dpm_get_mclk,
.get_sclk = smu10_dpm_get_sclk,
--
2.7.4
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