diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-09-09 19:11:52 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-09-11 11:44:39 -0400 |
| commit | 1c71bda097f797820e246dc9e38f0bda817d0818 (patch) | |
| tree | 64d747bf45f56211e2f2cd3a0c347e891ac0a253 /drivers/gpu/drm/radeon/radeon_pm.c | |
| parent | 64d03221eed88dce7f0c1edd44a3680b595b29bd (diff) | |
drm/radeon/dpm: add infrastructure to properly handle bapm
bapm is a pm feature for sharing the power budget between
the GPU and the CPU on APUs. It needs to be enabled or
disabled in certain circumstances. For now, disable it
when on battery and enable it when on AC power.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_pm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 33c88c4038cf..d41ac8a4224d 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -67,7 +67,16 @@ int radeon_pm_get_type_index(struct radeon_device *rdev, void radeon_pm_acpi_event_handler(struct radeon_device *rdev) { - if (rdev->pm.pm_method == PM_METHOD_PROFILE) { + if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) { + mutex_lock(&rdev->pm.mutex); + if (power_supply_is_system_supplied() > 0) + rdev->pm.dpm.ac_power = true; + else + rdev->pm.dpm.ac_power = false; + if (rdev->asic->dpm.enable_bapm) + radeon_dpm_enable_bapm(rdev, rdev->pm.dpm.ac_power); + mutex_unlock(&rdev->pm.mutex); + } else if (rdev->pm.pm_method == PM_METHOD_PROFILE) { if (rdev->pm.profile == PM_PROFILE_AUTO) { mutex_lock(&rdev->pm.mutex); radeon_pm_update_profile(rdev); |