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authorDaniel Vetter <daniel.vetter@ffwll.ch>2014-04-09 14:33:47 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2014-04-09 14:33:47 +0200
commit8cbf3202098f191f8b0a0606b2df0af047f21fe5 (patch)
tree8e49e81e1879de78fcd6ac64041b9a72db06caec /drivers/gpu/drm/i915/i915_drv.c
parent04feced98a434c7046108671dc5b6f50f3b63ed7 (diff)
parentc39b06951f1dc2e384650288676c5b7dcc0ec92c (diff)
downloadop-kernel-dev-8cbf3202098f191f8b0a0606b2df0af047f21fe5.zip
op-kernel-dev-8cbf3202098f191f8b0a0606b2df0af047f21fe5.tar.gz
Merge remote-tracking branch 'airlied/drm-next' into HEAD
Backmerge drm-next after the big s/crtc->fb/crtc->primary->fb/ cocinelle patch to avoid endless amounts of conflict hilarity in my -next queue for 3.16. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c90
1 files changed, 76 insertions, 14 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index a01faea..5d8250f 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -537,14 +537,21 @@ static void intel_resume_hotplug(struct drm_device *dev)
drm_helper_hpd_irq_event(dev);
}
-static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings)
+static int i915_drm_thaw_early(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- int error = 0;
intel_uncore_early_sanitize(dev);
-
intel_uncore_sanitize(dev);
+ intel_power_domains_init_hw(dev_priv);
+
+ return 0;
+}
+
+static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int error = 0;
if (drm_core_check_feature(dev, DRIVER_MODESET) &&
restore_gtt_mappings) {
@@ -553,8 +560,6 @@ static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings)
mutex_unlock(&dev->struct_mutex);
}
- intel_power_domains_init_hw(dev_priv);
-
i915_restore_state(dev);
intel_opregion_setup(dev);
@@ -619,19 +624,33 @@ static int i915_drm_thaw(struct drm_device *dev)
return __i915_drm_thaw(dev, true);
}
-int i915_resume(struct drm_device *dev)
+static int i915_resume_early(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- int ret;
-
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;
+ /*
+ * We have a resume ordering issue with the snd-hda driver also
+ * requiring our device to be power up. Due to the lack of a
+ * parent/child relationship we currently solve this with an early
+ * resume hook.
+ *
+ * FIXME: This should be solved with a special hdmi sink device or
+ * similar so that power domains can be employed.
+ */
if (pci_enable_device(dev->pdev))
return -EIO;
pci_set_master(dev->pdev);
+ return i915_drm_thaw_early(dev);
+}
+
+int i915_resume(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret;
+
/*
* Platforms with opregion should have sane BIOS, older ones (gen3 and
* earlier) need to restore the GTT mappings since the BIOS might clear
@@ -645,6 +664,14 @@ int i915_resume(struct drm_device *dev)
return 0;
}
+static int i915_resume_legacy(struct drm_device *dev)
+{
+ i915_resume_early(dev);
+ i915_resume(dev);
+
+ return 0;
+}
+
/**
* i915_reset - reset chip after a hang
* @dev: drm device to reset
@@ -776,7 +803,6 @@ static int i915_pm_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *drm_dev = pci_get_drvdata(pdev);
- int error;
if (!drm_dev || !drm_dev->dev_private) {
dev_err(dev, "DRM not initialized, aborting suspend.\n");
@@ -786,9 +812,25 @@ static int i915_pm_suspend(struct device *dev)
if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;
- error = i915_drm_freeze(drm_dev);
- if (error)
- return error;
+ return i915_drm_freeze(drm_dev);
+}
+
+static int i915_pm_suspend_late(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct drm_device *drm_dev = pci_get_drvdata(pdev);
+
+ /*
+ * We have a suspedn ordering issue with the snd-hda driver also
+ * requiring our device to be power up. Due to the lack of a
+ * parent/child relationship we currently solve this with an late
+ * suspend hook.
+ *
+ * FIXME: This should be solved with a special hdmi sink device or
+ * similar so that power domains can be employed.
+ */
+ if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
+ return 0;
pci_disable_device(pdev);
pci_set_power_state(pdev, PCI_D3hot);
@@ -796,6 +838,14 @@ static int i915_pm_suspend(struct device *dev)
return 0;
}
+static int i915_pm_resume_early(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct drm_device *drm_dev = pci_get_drvdata(pdev);
+
+ return i915_resume_early(drm_dev);
+}
+
static int i915_pm_resume(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
@@ -817,6 +867,14 @@ static int i915_pm_freeze(struct device *dev)
return i915_drm_freeze(drm_dev);
}
+static int i915_pm_thaw_early(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct drm_device *drm_dev = pci_get_drvdata(pdev);
+
+ return i915_drm_thaw_early(drm_dev);
+}
+
static int i915_pm_thaw(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
@@ -924,10 +982,14 @@ static int intel_runtime_resume(struct device *device)
static const struct dev_pm_ops i915_pm_ops = {
.suspend = i915_pm_suspend,
+ .suspend_late = i915_pm_suspend_late,
+ .resume_early = i915_pm_resume_early,
.resume = i915_pm_resume,
.freeze = i915_pm_freeze,
+ .thaw_early = i915_pm_thaw_early,
.thaw = i915_pm_thaw,
.poweroff = i915_pm_poweroff,
+ .restore_early = i915_pm_resume_early,
.restore = i915_pm_resume,
.runtime_suspend = intel_runtime_suspend,
.runtime_resume = intel_runtime_resume,
@@ -970,7 +1032,7 @@ static struct drm_driver driver = {
/* Used in place of i915_pm_ops for non-DRIVER_MODESET */
.suspend = i915_suspend,
- .resume = i915_resume,
+ .resume = i915_resume_legacy,
.device_is_agp = i915_driver_device_is_agp,
.master_create = i915_master_create,
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