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author | Dave Airlie <airlied@redhat.com> | 2019-06-27 12:33:56 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2019-06-27 12:33:57 +1000 |
commit | 14808a12bdbdc21143eba70ea07830197b3a04ff (patch) | |
tree | 41ffee477c66169fd8697b5cf57821813daf4dd8 /drivers/gpu/drm/amd/amdgpu/athub_v2_0.c | |
parent | b22342ea07e6b9d867c39c84d3d774add88079c1 (diff) | |
parent | a201b6ac20ff99e1c4b606f54874a20694e3b0c4 (diff) | |
download | linux-14808a12bdbdc21143eba70ea07830197b3a04ff.tar.gz linux-14808a12bdbdc21143eba70ea07830197b3a04ff.tar.bz2 linux-14808a12bdbdc21143eba70ea07830197b3a04ff.zip |
Merge tag 'drm-next-5.3-2019-06-25' of git://people.freedesktop.org/~agd5f/linux into drm-next
drm-next-5.3-2019-06-25:
Merge drm-next
amdgpu:
- SR-IOV L1 policy fixes
- Removed no longer needed vram_page_split module parameter
- Add module parameter to override default ABM level
- Gamma fixes
- No need to check return values for debugfs
- Improve HMM error handling
- Avoid possible OOM situations when lots of thread are submitting with
memory contention
- Improve hw i2c access abritration
- DSC (Display Stream Compression) support in DC
- Initial navi10 support
* DC support
* GFX/Compute support
* SDMA support
* Power Management support
* VCN support
- Static checker fixes
- Misc cleanups
- fix long udelay on arm
amdkfd:
- Implement priority controls for gfx9
- Enable VEGAM
- Rework mqd allocation and init
- Circular locking fix
- Fix SDMA queue allocation race condition
- No need to check return values for debugfs
- Add proc style process information
- Initial navi10 support
radeon:
- No need to check return values for debugfs
UAPI changes:
- GDDR6 added to vram type query
- New Navi10 details added gpu info query
- Navi family added to asic family query
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190625195520.3817-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/athub_v2_0.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/athub_v2_0.c | 101 |
1 files changed, 101 insertions, 0 deletions
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; +} |