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path: root/drivers/gpu/drm/radeon/radeon_pm.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_pm.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c32
1 files changed, 12 insertions, 20 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index e447e390d09a..164898b0010c 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -460,10 +460,6 @@ static ssize_t radeon_get_dpm_state(struct device *dev,
struct radeon_device *rdev = ddev->dev_private;
enum radeon_pm_state_type pm = rdev->pm.dpm.user_state;
- if ((rdev->flags & RADEON_IS_PX) &&
- (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
- return snprintf(buf, PAGE_SIZE, "off\n");
-
return snprintf(buf, PAGE_SIZE, "%s\n",
(pm == POWER_STATE_TYPE_BATTERY) ? "battery" :
(pm == POWER_STATE_TYPE_BALANCED) ? "balanced" : "performance");
@@ -477,11 +473,6 @@ static ssize_t radeon_set_dpm_state(struct device *dev,
struct drm_device *ddev = dev_get_drvdata(dev);
struct radeon_device *rdev = ddev->dev_private;
- /* Can't set dpm state when the card is off */
- if ((rdev->flags & RADEON_IS_PX) &&
- (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
- return -EINVAL;
-
mutex_lock(&rdev->pm.mutex);
if (strncmp("battery", buf, strlen("battery")) == 0)
rdev->pm.dpm.user_state = POWER_STATE_TYPE_BATTERY;
@@ -495,7 +486,12 @@ static ssize_t radeon_set_dpm_state(struct device *dev,
goto fail;
}
mutex_unlock(&rdev->pm.mutex);
- radeon_pm_compute_clocks(rdev);
+
+ /* Can't set dpm state when the card is off */
+ if (!(rdev->flags & RADEON_IS_PX) ||
+ (ddev->switch_power_state == DRM_SWITCH_POWER_ON))
+ radeon_pm_compute_clocks(rdev);
+
fail:
return count;
}
@@ -1303,10 +1299,6 @@ int radeon_pm_init(struct radeon_device *rdev)
case CHIP_RS780:
case CHIP_RS880:
case CHIP_RV770:
- case CHIP_BARTS:
- case CHIP_TURKS:
- case CHIP_CAICOS:
- case CHIP_CAYMAN:
/* DPM requires the RLC, RV770+ dGPU requires SMC */
if (!rdev->rlc_fw)
rdev->pm.pm_method = PM_METHOD_PROFILE;
@@ -1330,6 +1322,10 @@ int radeon_pm_init(struct radeon_device *rdev)
case CHIP_PALM:
case CHIP_SUMO:
case CHIP_SUMO2:
+ case CHIP_BARTS:
+ case CHIP_TURKS:
+ case CHIP_CAICOS:
+ case CHIP_CAYMAN:
case CHIP_ARUBA:
case CHIP_TAHITI:
case CHIP_PITCAIRN:
@@ -1400,9 +1396,7 @@ static void radeon_pm_fini_old(struct radeon_device *rdev)
}
radeon_hwmon_fini(rdev);
-
- if (rdev->pm.power_state)
- kfree(rdev->pm.power_state);
+ kfree(rdev->pm.power_state);
}
static void radeon_pm_fini_dpm(struct radeon_device *rdev)
@@ -1421,9 +1415,7 @@ static void radeon_pm_fini_dpm(struct radeon_device *rdev)
radeon_dpm_fini(rdev);
radeon_hwmon_fini(rdev);
-
- if (rdev->pm.power_state)
- kfree(rdev->pm.power_state);
+ kfree(rdev->pm.power_state);
}
void radeon_pm_fini(struct radeon_device *rdev)