/*
* Copyright 2019 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 "amdgpu.h"
#include "athub_v2_1.h"
#include "athub/athub_2_1_0_offset.h"
#include "athub/athub_2_1_0_sh_mask.h"
#include "soc15_common.h"
static void
athub_v2_1_update_medium_grain_clock_gating(struct amdgpu_device *adev,
bool enable)
{
uint32_t def, data;
def = data = RREG32_SOC15(ATHUB, 0 , mmATHUB_MISC_CNTL);
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))
data |= ATHUB_MISC_CNTL__CG_ENABLE_MASK;
else
data &= ~ATHUB_MISC_CNTL__CG_ENABLE_MASK;
if (def != data)
WREG32_SOC15(ATHUB, 0 , mmATHUB_MISC_CNTL, data);
}
static void
athub_v2_1_update_medium_grain_light_sleep(struct amdgpu_device *adev,
bool enable)
{
uint32_t def, data;
def = data = RREG32_SOC15(ATHUB, 0 , mmATHUB_MISC_CNTL);
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS) &&
(adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
data |= ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
else
data &= ~ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
if (def != data)
WREG32_SOC15(ATHUB, 0 , mmATHUB_MISC_CNTL, data);
}
int athub_v2_1_set_clockgating(struct amdgpu_device *adev,
enum amd_clockgating_state state)
{
if (amdgpu_sriov_vf(adev))
return 0 ;
switch (amdgpu_ip_version(adev, ATHUB_HWIP, 0 )) {
case IP_VERSION(2 , 1 , 0 ):
case IP_VERSION(2 , 1 , 1 ):
case IP_VERSION(2 , 1 , 2 ):
case IP_VERSION(2 , 4 , 0 ):
athub_v2_1_update_medium_grain_clock_gating(adev, state == AMD_CG_STATE_GATE);
athub_v2_1_update_medium_grain_light_sleep(adev, state == AMD_CG_STATE_GATE);
break ;
default :
break ;
}
return 0 ;
}
void athub_v2_1_get_clockgating(struct amdgpu_device *adev, u64 *flags)
{
int data;
/* AMD_CG_SUPPORT_ATHUB_MGCG */
data = RREG32_SOC15(ATHUB, 0 , mmATHUB_MISC_CNTL);
if (data & ATHUB_MISC_CNTL__CG_ENABLE_MASK)
*flags |= AMD_CG_SUPPORT_ATHUB_MGCG;
/* AMD_CG_SUPPORT_ATHUB_LS */
if (data & ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK)
*flags |= AMD_CG_SUPPORT_ATHUB_LS;
}
Messung V0.5 in Prozent C=98 H=100 G=98
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-02)
¤
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