2 * Copyright 2015 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
25 #include "fiji_clockpowergating.h"
26 #include "fiji_ppsmc.h"
27 #include "fiji_hwmgr.h"
29 int fiji_phm_disable_clock_power_gating(struct pp_hwmgr
*hwmgr
)
31 struct fiji_hwmgr
*data
= (struct fiji_hwmgr
*)(hwmgr
->backend
);
33 data
->uvd_power_gated
= false;
34 data
->vce_power_gated
= false;
35 data
->samu_power_gated
= false;
36 data
->acp_power_gated
= false;
41 int fiji_phm_powergate_uvd(struct pp_hwmgr
*hwmgr
, bool bgate
)
43 struct fiji_hwmgr
*data
= (struct fiji_hwmgr
*)(hwmgr
->backend
);
45 if (data
->uvd_power_gated
== bgate
)
48 data
->uvd_power_gated
= bgate
;
51 cgs_set_clockgating_state(hwmgr
->device
,
52 AMD_IP_BLOCK_TYPE_UVD
,
54 fiji_update_uvd_dpm(hwmgr
, true);
56 fiji_update_uvd_dpm(hwmgr
, false);
57 cgs_set_clockgating_state(hwmgr
->device
,
58 AMD_IP_BLOCK_TYPE_UVD
,
65 int fiji_phm_powergate_vce(struct pp_hwmgr
*hwmgr
, bool bgate
)
67 struct fiji_hwmgr
*data
= (struct fiji_hwmgr
*)(hwmgr
->backend
);
68 struct phm_set_power_state_input states
;
69 const struct pp_power_state
*pcurrent
;
70 struct pp_power_state
*requested
;
72 if (data
->vce_power_gated
== bgate
)
75 data
->vce_power_gated
= bgate
;
77 pcurrent
= hwmgr
->current_ps
;
78 requested
= hwmgr
->request_ps
;
80 states
.pcurrent_state
= &(pcurrent
->hardware
);
81 states
.pnew_state
= &(requested
->hardware
);
83 fiji_update_vce_dpm(hwmgr
, &states
);
84 fiji_enable_disable_vce_dpm(hwmgr
, !bgate
);
89 int fiji_phm_powergate_samu(struct pp_hwmgr
*hwmgr
, bool bgate
)
91 struct fiji_hwmgr
*data
= (struct fiji_hwmgr
*)(hwmgr
->backend
);
93 if (data
->samu_power_gated
== bgate
)
96 data
->samu_power_gated
= bgate
;
99 fiji_update_samu_dpm(hwmgr
, true);
101 fiji_update_samu_dpm(hwmgr
, false);
106 int fiji_phm_powergate_acp(struct pp_hwmgr
*hwmgr
, bool bgate
)
108 struct fiji_hwmgr
*data
= (struct fiji_hwmgr
*)(hwmgr
->backend
);
110 if (data
->acp_power_gated
== bgate
)
113 data
->acp_power_gated
= bgate
;
116 fiji_update_acp_dpm(hwmgr
, true);
118 fiji_update_acp_dpm(hwmgr
, false);