2 * Copyright 2016 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.
22 * Author: Huang Rui <ray.huang@amd.com>
27 #include "iceland_clockpowergating.h"
29 #include "iceland_hwmgr.h"
31 int iceland_phm_powerdown_uvd(struct pp_hwmgr
*hwmgr
)
33 /* iceland does not have MM hardware block */
37 static int iceland_phm_powerup_uvd(struct pp_hwmgr
*hwmgr
)
39 /* iceland does not have MM hardware block */
43 static int iceland_phm_powerdown_vce(struct pp_hwmgr
*hwmgr
)
45 /* iceland does not have MM hardware block */
49 static int iceland_phm_powerup_vce(struct pp_hwmgr
*hwmgr
)
51 /* iceland does not have MM hardware block */
55 int iceland_phm_set_asic_block_gating(struct pp_hwmgr
*hwmgr
, enum
56 PHM_AsicBlock block
, enum PHM_ClockGateSetting gating
)
61 case PHM_AsicBlock_UVD_MVC
:
62 case PHM_AsicBlock_UVD
:
63 case PHM_AsicBlock_UVD_HD
:
64 case PHM_AsicBlock_UVD_SD
:
65 if (gating
== PHM_ClockGateSetting_StaticOff
)
66 ret
= iceland_phm_powerdown_uvd(hwmgr
);
68 ret
= iceland_phm_powerup_uvd(hwmgr
);
70 case PHM_AsicBlock_GFX
:
78 int iceland_phm_disable_clock_power_gating(struct pp_hwmgr
*hwmgr
)
80 struct iceland_hwmgr
*data
= (struct iceland_hwmgr
*)(hwmgr
->backend
);
82 data
->uvd_power_gated
= false;
83 data
->vce_power_gated
= false;
85 iceland_phm_powerup_uvd(hwmgr
);
86 iceland_phm_powerup_vce(hwmgr
);
91 int iceland_phm_powergate_uvd(struct pp_hwmgr
*hwmgr
, bool bgate
)
94 iceland_update_uvd_dpm(hwmgr
, true);
95 iceland_phm_powerdown_uvd(hwmgr
);
97 iceland_phm_powerup_uvd(hwmgr
);
98 iceland_update_uvd_dpm(hwmgr
, false);
104 int iceland_phm_powergate_vce(struct pp_hwmgr
*hwmgr
, bool bgate
)
107 return iceland_phm_powerdown_vce(hwmgr
);
109 return iceland_phm_powerup_vce(hwmgr
);
114 int iceland_phm_update_clock_gatings(struct pp_hwmgr
*hwmgr
,
115 const uint32_t *msg_id
)
117 /* iceland does not have MM hardware block */