diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/Makefile | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/athub_v2_0.c | 101 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/athub_v2_0.h | 30 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/include/amd_shared.h | 2 |
5 files changed, 140 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile index e3fde4aac1a2..023899800d2d 100644 --- a/drivers/gpu/drm/amd/amdgpu/Makefile +++ b/drivers/gpu/drm/amd/amdgpu/Makefile @@ -135,6 +135,10 @@ amdgpu-y += \ amdgpu_vcn.o \ vcn_v1_0.o +# add ATHUB block +amdgpu-y += \ + athub_v2_0.o + # add amdkfd interfaces amdgpu-y += amdgpu_amdkfd.o diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index e0df2bc4861f..9f4ed75ade2f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -64,6 +64,9 @@ static const struct cg_flag_name clocks[] = { {AMD_CG_SUPPORT_DRM_LS, "Digital Right Management Light Sleep"}, {AMD_CG_SUPPORT_ROM_MGCG, "Rom Medium Grain Clock Gating"}, {AMD_CG_SUPPORT_DF_MGCG, "Data Fabric Medium Grain Clock Gating"}, + + {AMD_CG_SUPPORT_ATHUB_MGCG, "Address Translation Hub Medium Grain Clock Gating"}, + {AMD_CG_SUPPORT_ATHUB_LS, "Address Translation Hub Light Sleep"}, {0, NULL}, }; diff --git a/drivers/gpu/drm/amd/amdgpu/athub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/athub_v2_0.c new file mode 100644 index 000000000000..89b32b6b81c8 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/athub_v2_0.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_0.h" + +#include "athub/athub_2_0_0_offset.h" +#include "athub/athub_2_0_0_sh_mask.h" +#include "athub/athub_2_0_0_default.h" +#include "navi10_enum.h" + +#include "soc15_common.h" + +static void +athub_v2_0_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_0_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_0_set_clockgating(struct amdgpu_device *adev, + enum amd_clockgating_state state) +{ + if (amdgpu_sriov_vf(adev)) + return 0; + + switch (adev->asic_type) { + case CHIP_NAVI10: + athub_v2_0_update_medium_grain_clock_gating(adev, + state == AMD_CG_STATE_GATE ? true : false); + athub_v2_0_update_medium_grain_light_sleep(adev, + state == AMD_CG_STATE_GATE ? true : false); + break; + default: + break; + } + + return 0; +} + +void athub_v2_0_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; +} diff --git a/drivers/gpu/drm/amd/amdgpu/athub_v2_0.h b/drivers/gpu/drm/amd/amdgpu/athub_v2_0.h new file mode 100644 index 000000000000..02932c1c8bab --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/athub_v2_0.h @@ -0,0 +1,30 @@ +/* + * 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. + * + */ +#ifndef __ATHUB_V2_0_H__ +#define __ATHUB_V2_0_H__ + +int athub_v2_0_set_clockgating(struct amdgpu_device *adev, + enum amd_clockgating_state state); +void athub_v2_0_get_clockgating(struct amdgpu_device *adev, u32 *flags); + +#endif diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index 15fbb2dff462..1e638357c4a3 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -96,6 +96,8 @@ enum amd_powergating_state { #define AMD_CG_SUPPORT_HDP_DS (1 << 25) #define AMD_CG_SUPPORT_HDP_SD (1 << 26) #define AMD_CG_SUPPORT_IH_CG (1 << 27) +#define AMD_CG_SUPPORT_ATHUB_LS (1 << 28) +#define AMD_CG_SUPPORT_ATHUB_MGCG (1 << 29) /* PG flags */ #define AMD_PG_SUPPORT_GFX_PG (1 << 0) #define AMD_PG_SUPPORT_GFX_SMG (1 << 1) |