diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 48a2de92180a..1b2e177bc2d6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -350,6 +350,81 @@ int amdgpu_device_supports_baco(struct drm_device *dev) return amdgpu_asic_supports_baco(adev); } +void amdgpu_device_detect_runtime_pm_mode(struct amdgpu_device *adev) +{ + struct drm_device *dev; + int bamaco_support; + + dev = adev_to_drm(adev); + + adev->pm.rpm_mode = AMDGPU_RUNPM_NONE; + bamaco_support = amdgpu_device_supports_baco(dev); + + switch (amdgpu_runtime_pm) { + case 2: + if (bamaco_support & MACO_SUPPORT) { + adev->pm.rpm_mode = AMDGPU_RUNPM_BAMACO; + dev_info(adev->dev, "Forcing BAMACO for runtime pm\n"); + } else if (bamaco_support == BACO_SUPPORT) { + adev->pm.rpm_mode = AMDGPU_RUNPM_BACO; + dev_info(adev->dev, "Requested mode BAMACO not available,fallback to use BACO\n"); + } + break; + case 1: + if (bamaco_support & BACO_SUPPORT) { + adev->pm.rpm_mode = AMDGPU_RUNPM_BACO; + dev_info(adev->dev, "Forcing BACO for runtime pm\n"); + } + break; + case -1: + case -2: + if (amdgpu_device_supports_px(dev)) { /* enable PX as runtime mode */ + adev->pm.rpm_mode = AMDGPU_RUNPM_PX; + dev_info(adev->dev, "Using ATPX for runtime pm\n"); + } else if (amdgpu_device_supports_boco(dev)) { /* enable boco as runtime mode */ + adev->pm.rpm_mode = AMDGPU_RUNPM_BOCO; + dev_info(adev->dev, "Using BOCO for runtime pm\n"); + } else { + if (!bamaco_support) + goto no_runtime_pm; + + switch (adev->asic_type) { + case CHIP_VEGA20: + case CHIP_ARCTURUS: + /* BACO are not supported on vega20 and arctrus */ + break; + case CHIP_VEGA10: + /* enable BACO as runpm mode if noretry=0 */ + if (!adev->gmc.noretry) + adev->pm.rpm_mode = AMDGPU_RUNPM_BACO; + break; + default: + /* enable BACO as runpm mode on CI+ */ + adev->pm.rpm_mode = AMDGPU_RUNPM_BACO; + break; + } + + if (adev->pm.rpm_mode == AMDGPU_RUNPM_BACO) { + if (bamaco_support & MACO_SUPPORT) { + adev->pm.rpm_mode = AMDGPU_RUNPM_BAMACO; + dev_info(adev->dev, "Using BAMACO for runtime pm\n"); + } else { + dev_info(adev->dev, "Using BACO for runtime pm\n"); + } + } + } + break; + case 0: + dev_info(adev->dev, "runtime pm is manually disabled\n"); + break; + default: + break; + } + +no_runtime_pm: + if (adev->pm.rpm_mode == AMDGPU_RUNPM_NONE) + dev_info(adev->dev, "Runtime PM not available\n"); +} /** * amdgpu_device_supports_smart_shift - Is the device dGPU with * smart shift support |