diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_runtime_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_runtime_pm.c | 65 |
1 files changed, 35 insertions, 30 deletions
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 1c603bb..6c11168 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -287,6 +287,7 @@ void intel_display_set_init_power(struct drm_i915_private *dev_priv, */ static void hsw_power_well_post_enable(struct drm_i915_private *dev_priv) { + struct pci_dev *pdev = dev_priv->drm.pdev; struct drm_device *dev = &dev_priv->drm; /* @@ -299,9 +300,9 @@ static void hsw_power_well_post_enable(struct drm_i915_private *dev_priv) * sure vgacon can keep working normally without triggering interrupts * and error messages. */ - vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); + vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO); outb(inb(VGA_MSR_READ), VGA_MSR_WRITE); - vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); + vga_put(pdev, VGA_RSRC_LEGACY_IO); if (IS_BROADWELL(dev)) gen8_irq_power_well_post_enable(dev_priv, @@ -318,7 +319,7 @@ static void hsw_power_well_pre_disable(struct drm_i915_private *dev_priv) static void skl_power_well_post_enable(struct drm_i915_private *dev_priv, struct i915_power_well *power_well) { - struct drm_device *dev = &dev_priv->drm; + struct pci_dev *pdev = dev_priv->drm.pdev; /* * After we re-enable the power well, if we touch VGA register 0x3d5 @@ -331,9 +332,9 @@ static void skl_power_well_post_enable(struct drm_i915_private *dev_priv, * and error messages. */ if (power_well->data == SKL_DISP_PW_2) { - vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); + vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO); outb(inb(VGA_MSR_READ), VGA_MSR_WRITE); - vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); + vga_put(pdev, VGA_RSRC_LEGACY_IO); gen8_irq_power_well_post_enable(dev_priv, 1 << PIPE_C | 1 << PIPE_B); @@ -592,6 +593,8 @@ void bxt_disable_dc9(struct drm_i915_private *dev_priv) DRM_DEBUG_KMS("Disabling DC9\n"); gen9_set_dc_state(dev_priv, DC_STATE_DISABLE); + + intel_pps_unlock_regs_wa(dev_priv); } static void assert_csr_loaded(struct drm_i915_private *dev_priv) @@ -854,7 +857,7 @@ static void bxt_dpio_cmn_power_well_enable(struct drm_i915_private *dev_priv, struct i915_power_well *power_well) { enum skl_disp_power_wells power_well_id = power_well->data; - struct i915_power_well *cmn_a_well; + struct i915_power_well *cmn_a_well = NULL; if (power_well_id == BXT_DPIO_CMN_BC) { /* @@ -867,7 +870,7 @@ static void bxt_dpio_cmn_power_well_enable(struct drm_i915_private *dev_priv, bxt_ddi_phy_init(dev_priv, bxt_power_well_to_phy(power_well)); - if (power_well_id == BXT_DPIO_CMN_BC) + if (cmn_a_well) intel_power_well_put(dev_priv, cmn_a_well); } @@ -1121,6 +1124,8 @@ static void vlv_display_power_well_init(struct drm_i915_private *dev_priv) } i915_redisable_vga_power_on(&dev_priv->drm); + + intel_pps_unlock_regs_wa(dev_priv); } static void vlv_display_power_well_deinit(struct drm_i915_private *dev_priv) @@ -2284,7 +2289,7 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv) */ void intel_power_domains_fini(struct drm_i915_private *dev_priv) { - struct device *device = &dev_priv->drm.pdev->dev; + struct device *kdev = &dev_priv->drm.pdev->dev; /* * The i915.ko module is still not prepared to be loaded when @@ -2306,7 +2311,7 @@ void intel_power_domains_fini(struct drm_i915_private *dev_priv) * the platform doesn't support runtime PM. */ if (!HAS_RUNTIME_PM(dev_priv)) - pm_runtime_put(device); + pm_runtime_put(kdev); } static void intel_power_domains_sync_hw(struct drm_i915_private *dev_priv) @@ -2647,10 +2652,10 @@ void intel_power_domains_suspend(struct drm_i915_private *dev_priv) */ void intel_runtime_pm_get(struct drm_i915_private *dev_priv) { - struct drm_device *dev = &dev_priv->drm; - struct device *device = &dev->pdev->dev; + struct pci_dev *pdev = dev_priv->drm.pdev; + struct device *kdev = &pdev->dev; - pm_runtime_get_sync(device); + pm_runtime_get_sync(kdev); atomic_inc(&dev_priv->pm.wakeref_count); assert_rpm_wakelock_held(dev_priv); @@ -2668,11 +2673,11 @@ void intel_runtime_pm_get(struct drm_i915_private *dev_priv) */ bool intel_runtime_pm_get_if_in_use(struct drm_i915_private *dev_priv) { - struct drm_device *dev = &dev_priv->drm; - struct device *device = &dev->pdev->dev; + struct pci_dev *pdev = dev_priv->drm.pdev; + struct device *kdev = &pdev->dev; if (IS_ENABLED(CONFIG_PM)) { - int ret = pm_runtime_get_if_in_use(device); + int ret = pm_runtime_get_if_in_use(kdev); /* * In cases runtime PM is disabled by the RPM core and we get @@ -2710,11 +2715,11 @@ bool intel_runtime_pm_get_if_in_use(struct drm_i915_private *dev_priv) */ void intel_runtime_pm_get_noresume(struct drm_i915_private *dev_priv) { - struct drm_device *dev = &dev_priv->drm; - struct device *device = &dev->pdev->dev; + struct pci_dev *pdev = dev_priv->drm.pdev; + struct device *kdev = &pdev->dev; assert_rpm_wakelock_held(dev_priv); - pm_runtime_get_noresume(device); + pm_runtime_get_noresume(kdev); atomic_inc(&dev_priv->pm.wakeref_count); } @@ -2729,15 +2734,15 @@ void intel_runtime_pm_get_noresume(struct drm_i915_private *dev_priv) */ void intel_runtime_pm_put(struct drm_i915_private *dev_priv) { - struct drm_device *dev = &dev_priv->drm; - struct device *device = &dev->pdev->dev; + struct pci_dev *pdev = dev_priv->drm.pdev; + struct device *kdev = &pdev->dev; assert_rpm_wakelock_held(dev_priv); if (atomic_dec_and_test(&dev_priv->pm.wakeref_count)) atomic_inc(&dev_priv->pm.atomic_seq); - pm_runtime_mark_last_busy(device); - pm_runtime_put_autosuspend(device); + pm_runtime_mark_last_busy(kdev); + pm_runtime_put_autosuspend(kdev); } /** @@ -2752,11 +2757,12 @@ void intel_runtime_pm_put(struct drm_i915_private *dev_priv) */ void intel_runtime_pm_enable(struct drm_i915_private *dev_priv) { + struct pci_dev *pdev = dev_priv->drm.pdev; struct drm_device *dev = &dev_priv->drm; - struct device *device = &dev->pdev->dev; + struct device *kdev = &pdev->dev; - pm_runtime_set_autosuspend_delay(device, 10000); /* 10s */ - pm_runtime_mark_last_busy(device); + pm_runtime_set_autosuspend_delay(kdev, 10000); /* 10s */ + pm_runtime_mark_last_busy(kdev); /* * Take a permanent reference to disable the RPM functionality and drop @@ -2765,10 +2771,10 @@ void intel_runtime_pm_enable(struct drm_i915_private *dev_priv) * platforms without RPM support. */ if (!HAS_RUNTIME_PM(dev)) { - pm_runtime_dont_use_autosuspend(device); - pm_runtime_get_sync(device); + pm_runtime_dont_use_autosuspend(kdev); + pm_runtime_get_sync(kdev); } else { - pm_runtime_use_autosuspend(device); + pm_runtime_use_autosuspend(kdev); } /* @@ -2776,6 +2782,5 @@ void intel_runtime_pm_enable(struct drm_i915_private *dev_priv) * We drop that here and will reacquire it during unloading in * intel_power_domains_fini(). */ - pm_runtime_put_autosuspend(device); + pm_runtime_put_autosuspend(kdev); } - |
