diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2019-10-04 12:54:12 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-11-19 16:42:52 -0500 |
| commit | 191343172809aba0047c2eb03249cb704ad65658 (patch) | |
| tree | 3716c233a6f10e2aa2d4d54883860db60fdcc1f6 /drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | |
| parent | 361dbd01a1de8bdd6bdf9a879ae23a121b8f7266 (diff) | |
drm/amdgpu: add baco support to runtime suspend/resume
BACO - Bus Active, Chip Off
This adds the necessary support to the runtime suspend
and resume functions to handle boards that support
baco.
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 47b51588c762..43070973d6a6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -1155,7 +1155,8 @@ static int amdgpu_pmops_resume(struct device *dev) struct drm_device *drm_dev = dev_get_drvdata(dev); /* GPU comes up enabled by the bios on resume */ - if (amdgpu_device_supports_boco(drm_dev)) { + if (amdgpu_device_supports_boco(drm_dev) || + amdgpu_device_supports_baco(drm_dev)) { pm_runtime_disable(dev); pm_runtime_set_active(dev); pm_runtime_enable(dev); @@ -1222,6 +1223,8 @@ static int amdgpu_pmops_runtime_suspend(struct device *dev) else if (!amdgpu_has_atpx_dgpu_power_cntl()) pci_set_power_state(pdev, PCI_D3hot); drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF; + } else if (amdgpu_device_supports_baco(drm_dev)) { + amdgpu_device_baco_enter(drm_dev); } return 0; @@ -1247,6 +1250,8 @@ static int amdgpu_pmops_runtime_resume(struct device *dev) if (ret) return ret; pci_set_master(pdev); + } else if (amdgpu_device_supports_baco(drm_dev)) { + amdgpu_device_baco_exit(drm_dev); } ret = amdgpu_device_resume(drm_dev, false, false); drm_kms_helper_poll_enable(drm_dev); |