These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / gpu / drm / radeon / radeon_pm.c
index c1ba83a..60ab315 100644 (file)
@@ -253,7 +253,6 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev)
            (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index))
                return;
 
-       mutex_lock(&rdev->ddev->struct_mutex);
        down_write(&rdev->pm.mclk_lock);
        mutex_lock(&rdev->ring_lock);
 
@@ -268,7 +267,6 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev)
                        /* needs a GPU reset dont reset here */
                        mutex_unlock(&rdev->ring_lock);
                        up_write(&rdev->pm.mclk_lock);
-                       mutex_unlock(&rdev->ddev->struct_mutex);
                        return;
                }
        }
@@ -304,7 +302,6 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev)
 
        mutex_unlock(&rdev->ring_lock);
        up_write(&rdev->pm.mclk_lock);
-       mutex_unlock(&rdev->ddev->struct_mutex);
 }
 
 static void radeon_pm_print_states(struct radeon_device *rdev)
@@ -720,10 +717,14 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
        struct radeon_device *rdev = dev_get_drvdata(dev);
        umode_t effective_mode = attr->mode;
 
-       /* Skip limit attributes if DPM is not enabled */
+       /* Skip attributes if DPM is not enabled */
        if (rdev->pm.pm_method != PM_METHOD_DPM &&
            (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr ||
-            attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr))
+            attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr ||
+            attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
+            attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
+            attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
+            attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
                return 0;
 
        /* Skip fan attributes if fan is not present */
@@ -1062,7 +1063,6 @@ force:
                radeon_dpm_print_power_state(rdev, rdev->pm.dpm.requested_ps);
        }
 
-       mutex_lock(&rdev->ddev->struct_mutex);
        down_write(&rdev->pm.mclk_lock);
        mutex_lock(&rdev->ring_lock);
 
@@ -1078,10 +1078,6 @@ force:
        /* update displays */
        radeon_dpm_display_configuration_changed(rdev);
 
-       rdev->pm.dpm.current_active_crtcs = rdev->pm.dpm.new_active_crtcs;
-       rdev->pm.dpm.current_active_crtc_count = rdev->pm.dpm.new_active_crtc_count;
-       rdev->pm.dpm.single_display = single_display;
-
        /* wait for the rings to drain */
        for (i = 0; i < RADEON_NUM_RINGS; i++) {
                struct radeon_ring *ring = &rdev->ring[i];
@@ -1097,6 +1093,10 @@ force:
 
        radeon_dpm_post_set_power_state(rdev);
 
+       rdev->pm.dpm.current_active_crtcs = rdev->pm.dpm.new_active_crtcs;
+       rdev->pm.dpm.current_active_crtc_count = rdev->pm.dpm.new_active_crtc_count;
+       rdev->pm.dpm.single_display = single_display;
+
        if (rdev->asic->dpm.force_performance_level) {
                if (rdev->pm.dpm.thermal_active) {
                        enum radeon_dpm_forced_level level = rdev->pm.dpm.forced_level;
@@ -1113,7 +1113,6 @@ force:
 done:
        mutex_unlock(&rdev->ring_lock);
        up_write(&rdev->pm.mclk_lock);
-       mutex_unlock(&rdev->ddev->struct_mutex);
 }
 
 void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable)
@@ -1331,14 +1330,6 @@ static int radeon_pm_init_old(struct radeon_device *rdev)
        INIT_DELAYED_WORK(&rdev->pm.dynpm_idle_work, radeon_dynpm_idle_work_handler);
 
        if (rdev->pm.num_power_states > 1) {
-               /* where's the best place to put these? */
-               ret = device_create_file(rdev->dev, &dev_attr_power_profile);
-               if (ret)
-                       DRM_ERROR("failed to create device file for power profile\n");
-               ret = device_create_file(rdev->dev, &dev_attr_power_method);
-               if (ret)
-                       DRM_ERROR("failed to create device file for power method\n");
-
                if (radeon_debugfs_pm_init(rdev)) {
                        DRM_ERROR("Failed to register debugfs file for PM!\n");
                }
@@ -1396,20 +1387,6 @@ static int radeon_pm_init_dpm(struct radeon_device *rdev)
                goto dpm_failed;
        rdev->pm.dpm_enabled = true;
 
-       ret = device_create_file(rdev->dev, &dev_attr_power_dpm_state);
-       if (ret)
-               DRM_ERROR("failed to create device file for dpm state\n");
-       ret = device_create_file(rdev->dev, &dev_attr_power_dpm_force_performance_level);
-       if (ret)
-               DRM_ERROR("failed to create device file for dpm state\n");
-       /* XXX: these are noops for dpm but are here for backwards compat */
-       ret = device_create_file(rdev->dev, &dev_attr_power_profile);
-       if (ret)
-               DRM_ERROR("failed to create device file for power profile\n");
-       ret = device_create_file(rdev->dev, &dev_attr_power_method);
-       if (ret)
-               DRM_ERROR("failed to create device file for power method\n");
-
        if (radeon_debugfs_pm_init(rdev)) {
                DRM_ERROR("Failed to register debugfs file for dpm!\n");
        }
@@ -1550,9 +1527,50 @@ int radeon_pm_late_init(struct radeon_device *rdev)
        int ret = 0;
 
        if (rdev->pm.pm_method == PM_METHOD_DPM) {
-               mutex_lock(&rdev->pm.mutex);
-               ret = radeon_dpm_late_enable(rdev);
-               mutex_unlock(&rdev->pm.mutex);
+               if (rdev->pm.dpm_enabled) {
+                       if (!rdev->pm.sysfs_initialized) {
+                               ret = device_create_file(rdev->dev, &dev_attr_power_dpm_state);
+                               if (ret)
+                                       DRM_ERROR("failed to create device file for dpm state\n");
+                               ret = device_create_file(rdev->dev, &dev_attr_power_dpm_force_performance_level);
+                               if (ret)
+                                       DRM_ERROR("failed to create device file for dpm state\n");
+                               /* XXX: these are noops for dpm but are here for backwards compat */
+                               ret = device_create_file(rdev->dev, &dev_attr_power_profile);
+                               if (ret)
+                                       DRM_ERROR("failed to create device file for power profile\n");
+                               ret = device_create_file(rdev->dev, &dev_attr_power_method);
+                               if (ret)
+                                       DRM_ERROR("failed to create device file for power method\n");
+                               rdev->pm.sysfs_initialized = true;
+                       }
+
+                       mutex_lock(&rdev->pm.mutex);
+                       ret = radeon_dpm_late_enable(rdev);
+                       mutex_unlock(&rdev->pm.mutex);
+                       if (ret) {
+                               rdev->pm.dpm_enabled = false;
+                               DRM_ERROR("radeon_pm_late_init failed, disabling dpm\n");
+                       } else {
+                               /* set the dpm state for PX since there won't be
+                                * a modeset to call this.
+                                */
+                               radeon_pm_compute_clocks(rdev);
+                       }
+               }
+       } else {
+               if ((rdev->pm.num_power_states > 1) &&
+                   (!rdev->pm.sysfs_initialized)) {
+                       /* where's the best place to put these? */
+                       ret = device_create_file(rdev->dev, &dev_attr_power_profile);
+                       if (ret)
+                               DRM_ERROR("failed to create device file for power profile\n");
+                       ret = device_create_file(rdev->dev, &dev_attr_power_method);
+                       if (ret)
+                               DRM_ERROR("failed to create device file for power method\n");
+                       if (!ret)
+                               rdev->pm.sysfs_initialized = true;
+               }
        }
        return ret;
 }
@@ -1738,7 +1756,11 @@ static bool radeon_pm_in_vbl(struct radeon_device *rdev)
         */
        for (crtc = 0; (crtc < rdev->num_crtc) && in_vbl; crtc++) {
                if (rdev->pm.active_crtcs & (1 << crtc)) {
-                       vbl_status = radeon_get_crtc_scanoutpos(rdev->ddev, crtc, 0, &vpos, &hpos, NULL, NULL);
+                       vbl_status = radeon_get_crtc_scanoutpos(rdev->ddev,
+                                                               crtc,
+                                                               USE_REAL_VBLANKSTART,
+                                                               &vpos, &hpos, NULL, NULL,
+                                                               &rdev->mode_info.crtcs[crtc]->base.hwmode);
                        if ((vbl_status & DRM_SCANOUTPOS_VALID) &&
                            !(vbl_status & DRM_SCANOUTPOS_IN_VBLANK))
                                in_vbl = false;