From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/amd/amdgpu/athub_v2_1.c | 101 ++++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 drivers/gpu/drm/amd/amdgpu/athub_v2_1.c (limited to 'drivers/gpu/drm/amd/amdgpu/athub_v2_1.c') diff --git a/drivers/gpu/drm/amd/amdgpu/athub_v2_1.c b/drivers/gpu/drm/amd/amdgpu/athub_v2_1.c new file mode 100644 index 000000000..939eca63b --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/athub_v2_1.c @@ -0,0 +1,101 @@ +/* + * 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 "navi10_enum.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 (adev->asic_type) { + case CHIP_SIENNA_CICHLID: + case CHIP_NAVY_FLOUNDER: + athub_v2_1_update_medium_grain_clock_gating(adev, + state == AMD_CG_STATE_GATE ? true : false); + athub_v2_1_update_medium_grain_light_sleep(adev, + state == AMD_CG_STATE_GATE ? true : false); + break; + default: + break; + } + + return 0; +} + +void athub_v2_1_get_clockgating(struct amdgpu_device *adev, u32 *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; +} -- cgit v1.2.3