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| author | Dave Airlie <airlied@redhat.com> | 2022-02-04 13:18:55 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2022-02-04 13:18:55 +1000 |
| commit | 7eb3848cc8c17a822f4cced5da0aa437e0063097 (patch) | |
| tree | e98c7976b768348747379d10153ba35c85e1e698 /drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | |
| parent | 26291c54e111ff6ba87a164d85d4a4e134b7315c (diff) | |
| parent | e8ae38720e1a685fd98cfa5ae118c9d07b45ca79 (diff) | |
| download | linux-7eb3848cc8c17a822f4cced5da0aa437e0063097.tar.gz linux-7eb3848cc8c17a822f4cced5da0aa437e0063097.tar.bz2 linux-7eb3848cc8c17a822f4cced5da0aa437e0063097.zip | |
Merge tag 'amd-drm-fixes-5.17-2022-02-02' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-5.17-2022-02-02:
amdgpu:
- mGPU fan boost fix for beige goby
- S0ix fixes
- Cyan skillfish hang fix
- DCN fixes for DCN 3.1
- DCN fixes for DCN 3.01
- Apple retina panel fix
- ttm logic inversion fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220203035224.5801-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index 4811b0faafd9..0e12315fa0cb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -1031,6 +1031,20 @@ void amdgpu_acpi_detect(void) } } +#if IS_ENABLED(CONFIG_SUSPEND) +/** + * amdgpu_acpi_is_s3_active + * + * @adev: amdgpu_device_pointer + * + * returns true if supported, false if not. + */ +bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev) +{ + return !(adev->flags & AMD_IS_APU) || + (pm_suspend_target_state == PM_SUSPEND_MEM); +} + /** * amdgpu_acpi_is_s0ix_active * @@ -1040,11 +1054,24 @@ void amdgpu_acpi_detect(void) */ bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) { -#if IS_ENABLED(CONFIG_AMD_PMC) && IS_ENABLED(CONFIG_SUSPEND) - if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) { - if (adev->flags & AMD_IS_APU) - return pm_suspend_target_state == PM_SUSPEND_TO_IDLE; + if (!(adev->flags & AMD_IS_APU) || + (pm_suspend_target_state != PM_SUSPEND_TO_IDLE)) + return false; + + if (!(acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0)) { + dev_warn_once(adev->dev, + "Power consumption will be higher as BIOS has not been configured for suspend-to-idle.\n" + "To use suspend-to-idle change the sleep mode in BIOS setup.\n"); + return false; } -#endif + +#if !IS_ENABLED(CONFIG_AMD_PMC) + dev_warn_once(adev->dev, + "Power consumption will be higher as the kernel has not been compiled with CONFIG_AMD_PMC.\n"); return false; +#else + return true; +#endif /* CONFIG_AMD_PMC */ } + +#endif /* CONFIG_SUSPEND */ |