diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-10-24 01:22:29 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-11-01 23:25:47 +0400 |
| commit | 0a17af373c61b4ded44a2cbac62c05ae5dad2106 (patch) | |
| tree | 4b0f39245feca9eefbad0ef0e5644634978cfe6c /drivers/gpu/drm/radeon/radeon_pm.c | |
| parent | ab70b1dde73ff4525c3cd51090c233482c50f217 (diff) | |
| download | linux-0a17af373c61b4ded44a2cbac62c05ae5dad2106.tar.xz | |
drm/radeon: disable force performance state when thermal state is active
If the thermal state is active, we are in the lowest performance level
to cool down the chip. Don't let the user force it higher.
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 | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 3ddd2c8ed928..802e57986db1 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -508,17 +508,21 @@ static ssize_t radeon_set_dpm_forced_performance_level(struct device *dev, } else if (strncmp("auto", buf, strlen("auto")) == 0) { level = RADEON_DPM_FORCED_LEVEL_AUTO; } else { - mutex_unlock(&rdev->pm.mutex); count = -EINVAL; goto fail; } if (rdev->asic->dpm.force_performance_level) { + if (rdev->pm.dpm.thermal_active) { + count = -EINVAL; + goto fail; + } ret = radeon_dpm_force_performance_level(rdev, level); if (ret) count = -EINVAL; } - mutex_unlock(&rdev->pm.mutex); fail: + mutex_unlock(&rdev->pm.mutex); + return count; } |