[PATCH 00/15] Add BACO support for CI/VI asics

[Christian König]

Am 11.10.19 um 03:21 schrieb Alex Deucher:
> This patch set enables BACO CI and VI asics.  BACO is
> Bus Active Chip Off.  It allows us to turn off the GPU
> while still keeping the bus interface up, so the device
> does not disappear from the system.  PowerXpress and
> Hybrid Graphics laptops support BOCO (Bus Off Chip Off)
> which is controlled by ACPI.  BACO was conceived as
> a power saving feature, but we also use it for reset
> since the chip gets powered down.  These patches are
> a pre-requisite for using BACO as a power saving
> feature which will follow in another patch set.
>
> BACO is working well on VI parts.  I haven't gotten
> it working yet on CI parts, but I'm including the
> code for reference if anyone wants to play with it.

Acked-by: Christian König <christian.koenig at amd.com> for the series.

Regards,
Christian.

>
> Alex Deucher (15):
>    drm/amdgpu: add new BIF 4.1 register for BACO
>    drm/amdgpu: add new BIF 5.0 register for BACO
>    drm/amdgpu: add new SMU 7.0.1 registers for BACO
>    drm/amdgpu: add new SMU 7.1.2 registers for BACO
>    drm/amdgpu: add new SMU 7.1.3 registers for BACO
>    drm/amdgpu/powerplay: add core support for pre-SOC15 baco
>    drm/amdgpu/powerplay: add support for BACO on tonga
>    drm/amdgpu/powerplay: add support for BACO on Iceland
>    drm/amdgpu/powerplay: add support for BACO on polaris
>    drm/amdgpu/powerplay: add support for BACO on VegaM
>    drm/amdgpu/powerplay: add support for BACO on Fiji
>    drm/amdgpu/powerplay: add support for BACO on CI
>    drm/amdgpu/powerplay: split out common smu7 BACO code
>    drm/amdgpu/powerplay: wire up BACO to powerplay API for smu7
>    drm/amdgpu: enable BACO reset for SMU7 based dGPUs (v2)
>
>   drivers/gpu/drm/amd/amdgpu/cik.c              |  48 +++-
>   drivers/gpu/drm/amd/amdgpu/cik.h              |   3 +
>   drivers/gpu/drm/amd/amdgpu/vi.c               |  84 ++++++-
>   drivers/gpu/drm/amd/amdgpu/vi.h               |   3 +
>   .../drm/amd/include/asic_reg/bif/bif_4_1_d.h  |   1 +
>   .../include/asic_reg/bif/bif_4_1_sh_mask.h    |   2 +
>   .../drm/amd/include/asic_reg/bif/bif_5_0_d.h  |   1 +
>   .../include/asic_reg/bif/bif_5_0_sh_mask.h    |   2 +
>   .../amd/include/asic_reg/smu/smu_7_0_1_d.h    |   1 +
>   .../include/asic_reg/smu/smu_7_0_1_sh_mask.h  |   2 +
>   .../amd/include/asic_reg/smu/smu_7_1_2_d.h    |   1 +
>   .../include/asic_reg/smu/smu_7_1_2_sh_mask.h  |   2 +
>   .../amd/include/asic_reg/smu/smu_7_1_3_d.h    |   1 +
>   .../include/asic_reg/smu/smu_7_1_3_sh_mask.h  |   2 +
>   drivers/gpu/drm/amd/powerplay/hwmgr/Makefile  |   3 +-
>   drivers/gpu/drm/amd/powerplay/hwmgr/ci_baco.c | 195 +++++++++++++++
>   drivers/gpu/drm/amd/powerplay/hwmgr/ci_baco.h |  29 +++
>   .../gpu/drm/amd/powerplay/hwmgr/common_baco.c |  19 ++
>   .../gpu/drm/amd/powerplay/hwmgr/common_baco.h |  13 +
>   .../gpu/drm/amd/powerplay/hwmgr/fiji_baco.c   | 196 +++++++++++++++
>   .../gpu/drm/amd/powerplay/hwmgr/fiji_baco.h   |  29 +++
>   .../drm/amd/powerplay/hwmgr/polaris_baco.c    | 222 +++++++++++++++++
>   .../drm/amd/powerplay/hwmgr/polaris_baco.h    |  29 +++
>   .../gpu/drm/amd/powerplay/hwmgr/smu7_baco.c   |  91 +++++++
>   .../gpu/drm/amd/powerplay/hwmgr/smu7_baco.h   |  32 +++
>   .../gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c  |   4 +
>   .../gpu/drm/amd/powerplay/hwmgr/tonga_baco.c  | 231 ++++++++++++++++++
>   .../gpu/drm/amd/powerplay/hwmgr/tonga_baco.h  |  29 +++
>   28 files changed, 1264 insertions(+), 11 deletions(-)
>   create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/ci_baco.c
>   create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/ci_baco.h
>   create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/fiji_baco.c
>   create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/fiji_baco.h
>   create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/polaris_baco.c
>   create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/polaris_baco.h
>   create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/smu7_baco.c
>   create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/smu7_baco.h
>   create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/tonga_baco.c
>   create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/tonga_baco.h
>