From 275cbd63bbdfc138ee1fdb583a8494c116b33185 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Mon, 11 Jun 2018 16:25:14 +0800 Subject: [PATCH 4821/5725] drm/amd/powerplay: initialize uvd/vce powergate status v4 On UVD/VCE dpm enabled/disabled, the powergate status will be set as false/true. So that we will not try to ungate/gate them( enable/disable their dpm) again. v2: added check for uvd/vce powergate status before gating v3: fix typo in description v4: warning fix (Alex) Signed-off-by: Evan Quan Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c index b27978b..39235f0 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c @@ -778,6 +778,21 @@ static int vega12_set_allowed_featuresmask(struct pp_hwmgr *hwmgr) return 0; } +static void vega12_init_powergate_state(struct pp_hwmgr *hwmgr) +{ + struct vega12_hwmgr *data = + (struct vega12_hwmgr *)(hwmgr->backend); + + data->uvd_power_gated = true; + data->vce_power_gated = true; + + if (data->smu_features[GNLD_DPM_UVD].enabled) + data->uvd_power_gated = false; + + if (data->smu_features[GNLD_DPM_VCE].enabled) + data->vce_power_gated = false; +} + static int vega12_enable_all_smu_features(struct pp_hwmgr *hwmgr) { struct vega12_hwmgr *data = @@ -802,6 +817,8 @@ static int vega12_enable_all_smu_features(struct pp_hwmgr *hwmgr) } } + vega12_init_powergate_state(hwmgr); + return 0; } @@ -1986,6 +2003,9 @@ static void vega12_power_gate_vce(struct pp_hwmgr *hwmgr, bool bgate) { struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend); + if (data->vce_power_gated == bgate) + return; + data->vce_power_gated = bgate; vega12_enable_disable_vce_dpm(hwmgr, !bgate); } @@ -1994,6 +2014,9 @@ static void vega12_power_gate_uvd(struct pp_hwmgr *hwmgr, bool bgate) { struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend); + if (data->uvd_power_gated == bgate) + return; + data->uvd_power_gated = bgate; vega12_enable_disable_uvd_dpm(hwmgr, !bgate); } -- 2.7.4