diff options
author | Dave Airlie <airlied@redhat.com> | 2022-05-19 14:09:46 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2022-05-19 14:09:54 +1000 |
commit | 00df0514ab13813655a6fbaba85425f8f4780be2 (patch) | |
tree | 85e9e8908b702575ff4a7e4a58cf36dcca93c204 /drivers/gpu/drm/amd/amdgpu/athub_v3_0.c | |
parent | f8122500a039abeabfff41b0ad8b6a2c94c1107d (diff) | |
parent | 0223e516470aa0589da6c03e6d177c10594cabbd (diff) |
Merge tag 'amd-drm-next-5.19-2022-05-18' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-5.19-2022-05-18:
amdgpu:
- Misc code cleanups
- Additional SMU 13.x enablement
- Smartshift fixes
- GFX11 fixes
- Support for SMU 13.0.4
- SMU mutex fix
- Suspend/resume fix
amdkfd:
- static checker fix
- Doorbell/MMIO resource handling fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220518205621.5741-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/athub_v3_0.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/athub_v3_0.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/athub_v3_0.c b/drivers/gpu/drm/amd/amdgpu/athub_v3_0.c new file mode 100644 index 000000000000..33a8a7365aef --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/athub_v3_0.c @@ -0,0 +1,98 @@ +/* + * Copyright 2021 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_v3_0.h" +#include "athub/athub_3_0_0_offset.h" +#include "athub/athub_3_0_0_sh_mask.h" +#include "navi10_enum.h" +#include "soc15_common.h" + +static void +athub_v3_0_update_medium_grain_clock_gating(struct amdgpu_device *adev, + bool enable) +{ + uint32_t def, data; + + def = data = RREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL); + + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ATHUB_MGCG)) + data |= ATHUB_MISC_CNTL__CG_ENABLE_MASK; + else + data &= ~ATHUB_MISC_CNTL__CG_ENABLE_MASK; + + if (def != data) + WREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL, data); +} + +static void +athub_v3_0_update_medium_grain_light_sleep(struct amdgpu_device *adev, + bool enable) +{ + uint32_t def, data; + + def = data = RREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL); + + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ATHUB_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, regATHUB_MISC_CNTL, data); +} + +int athub_v3_0_set_clockgating(struct amdgpu_device *adev, + enum amd_clockgating_state state) +{ + if (amdgpu_sriov_vf(adev)) + return 0; + + switch (adev->ip_versions[ATHUB_HWIP][0]) { + case IP_VERSION(3, 0, 0): + case IP_VERSION(3, 0, 2): + athub_v3_0_update_medium_grain_clock_gating(adev, + state == AMD_CG_STATE_GATE); + athub_v3_0_update_medium_grain_light_sleep(adev, + state == AMD_CG_STATE_GATE); + break; + default: + break; + } + + return 0; +} + +void athub_v3_0_get_clockgating(struct amdgpu_device *adev, u64 *flags) +{ + int data; + + /* AMD_CG_SUPPORT_ATHUB_MGCG */ + data = RREG32_SOC15(ATHUB, 0, regATHUB_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; +} |