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authorAlex Deucher <alexander.deucher@amd.com>2013-10-23 17:22:29 -0400
committerAlex Deucher <alexander.deucher@amd.com>2013-11-01 15:25:47 -0400
commit0a17af373c61b4ded44a2cbac62c05ae5dad2106 (patch)
tree4b0f39245feca9eefbad0ef0e5644634978cfe6c
parentab70b1dde73ff4525c3cd51090c233482c50f217 (diff)
downloadblackbird-op-linux-0a17af373c61b4ded44a2cbac62c05ae5dad2106.tar.gz
blackbird-op-linux-0a17af373c61b4ded44a2cbac62c05ae5dad2106.zip
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>
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c8
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;
}
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