diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 52 |
1 files changed, 32 insertions, 20 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index b7f8f2ff143d..6c62e27b9800 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -811,18 +811,18 @@ int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev, /** * amdgpu_acpi_smart_shift_update - update dGPU device state to SBIOS * - * @dev: drm_device pointer + * @adev: amdgpu device pointer * @ss_state: current smart shift event * * returns 0 on success, * otherwise return error number. */ -int amdgpu_acpi_smart_shift_update(struct drm_device *dev, enum amdgpu_ss ss_state) +int amdgpu_acpi_smart_shift_update(struct amdgpu_device *adev, + enum amdgpu_ss ss_state) { - struct amdgpu_device *adev = drm_to_adev(dev); int r; - if (!amdgpu_device_supports_smart_shift(dev)) + if (!amdgpu_device_supports_smart_shift(adev)) return 0; switch (ss_state) { @@ -1532,23 +1532,35 @@ bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) return true; #endif /* CONFIG_AMD_PMC */ } +#endif /* CONFIG_SUSPEND */ -/** - * amdgpu_choose_low_power_state - * - * @adev: amdgpu_device_pointer - * - * Choose the target low power state for the GPU - */ -void amdgpu_choose_low_power_state(struct amdgpu_device *adev) -{ - if (adev->in_runpm) - return; +#if IS_ENABLED(CONFIG_DRM_AMD_ISP) +static const struct acpi_device_id isp_sensor_ids[] = { + { "OMNI5C10" }, + { } +}; - if (amdgpu_acpi_is_s0ix_active(adev)) - adev->in_s0ix = true; - else if (amdgpu_acpi_is_s3_active(adev)) - adev->in_s3 = true; +static int isp_match_acpi_device_ids(struct device *dev, const void *data) +{ + return acpi_match_device(data, dev) ? 1 : 0; } -#endif /* CONFIG_SUSPEND */ +int amdgpu_acpi_get_isp4_dev(struct acpi_device **dev) +{ + struct device *pdev __free(put_device) = NULL; + struct acpi_device *acpi_pdev; + + pdev = bus_find_device(&platform_bus_type, NULL, isp_sensor_ids, + isp_match_acpi_device_ids); + if (!pdev) + return -EINVAL; + + acpi_pdev = ACPI_COMPANION(pdev); + if (!acpi_pdev) + return -ENODEV; + + *dev = acpi_pdev; + + return 0; +} +#endif /* CONFIG_DRM_AMD_ISP */ |