From 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Fri, 25 Mar 2016 03:53:42 -0300 Subject: Linux-libre 4.5-gnu --- .../amd/powerplay/hwmgr/fiji_clockpowergating.c | 114 +++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/fiji_clockpowergating.c (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/fiji_clockpowergating.c') diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_clockpowergating.c b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_clockpowergating.c new file mode 100644 index 000000000..e68edf06e --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_clockpowergating.c @@ -0,0 +1,114 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "hwmgr.h" +#include "fiji_clockpowergating.h" +#include "fiji_ppsmc.h" +#include "fiji_hwmgr.h" + +int fiji_phm_disable_clock_power_gating(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + data->uvd_power_gated = false; + data->vce_power_gated = false; + data->samu_power_gated = false; + data->acp_power_gated = false; + + return 0; +} + +int fiji_phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + if (data->uvd_power_gated == bgate) + return 0; + + data->uvd_power_gated = bgate; + + if (bgate) + fiji_update_uvd_dpm(hwmgr, true); + else + fiji_update_uvd_dpm(hwmgr, false); + + return 0; +} + +int fiji_phm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + struct phm_set_power_state_input states; + const struct pp_power_state *pcurrent; + struct pp_power_state *requested; + + if (data->vce_power_gated == bgate) + return 0; + + data->vce_power_gated = bgate; + + pcurrent = hwmgr->current_ps; + requested = hwmgr->request_ps; + + states.pcurrent_state = &(pcurrent->hardware); + states.pnew_state = &(requested->hardware); + + fiji_update_vce_dpm(hwmgr, &states); + fiji_enable_disable_vce_dpm(hwmgr, !bgate); + + return 0; +} + +int fiji_phm_powergate_samu(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + if (data->samu_power_gated == bgate) + return 0; + + data->samu_power_gated = bgate; + + if (bgate) + fiji_update_samu_dpm(hwmgr, true); + else + fiji_update_samu_dpm(hwmgr, false); + + return 0; +} + +int fiji_phm_powergate_acp(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + + if (data->acp_power_gated == bgate) + return 0; + + data->acp_power_gated = bgate; + + if (bgate) + fiji_update_acp_dpm(hwmgr, true); + else + fiji_update_acp_dpm(hwmgr, false); + + return 0; +} -- cgit v1.2.3-54-g00ecf