diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index d9630d79106f..8229d006f7a6 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1187,6 +1187,14 @@ static int i915_drm_suspend_late(struct drm_device *dev, bool hibernation) goto out; } + /* + * FIXME: Temporary hammer to avoid freezing the machine on our DGFX + * This should be totally removed when we handle the pci states properly + * on runtime PM and on s2idle cases. + */ + if (suspend_to_idle(dev_priv)) + pci_d3cold_disable(pdev); + pci_disable_device(pdev); /* * During hibernation on some platforms the BIOS may try to access @@ -1350,6 +1358,8 @@ static int i915_drm_resume_early(struct drm_device *dev) pci_set_master(pdev); + pci_d3cold_enable(pdev); + disable_rpm_wakeref_asserts(&dev_priv->runtime_pm); ret = vlv_resume_prepare(dev_priv, false); @@ -1526,6 +1536,7 @@ static int intel_runtime_suspend(struct device *kdev) { struct drm_i915_private *dev_priv = kdev_to_i915(kdev); struct intel_runtime_pm *rpm = &dev_priv->runtime_pm; + struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); int ret; if (drm_WARN_ON_ONCE(&dev_priv->drm, !HAS_RUNTIME_PM(dev_priv))) @@ -1571,6 +1582,12 @@ static int intel_runtime_suspend(struct device *kdev) drm_err(&dev_priv->drm, "Unclaimed access detected prior to suspending\n"); + /* + * FIXME: Temporary hammer to avoid freezing the machine on our DGFX + * This should be totally removed when we handle the pci states properly + * on runtime PM and on s2idle cases. + */ + pci_d3cold_disable(pdev); rpm->suspended = true; /* @@ -1609,6 +1626,7 @@ static int intel_runtime_resume(struct device *kdev) { struct drm_i915_private *dev_priv = kdev_to_i915(kdev); struct intel_runtime_pm *rpm = &dev_priv->runtime_pm; + struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); int ret; if (drm_WARN_ON_ONCE(&dev_priv->drm, !HAS_RUNTIME_PM(dev_priv))) @@ -1621,6 +1639,7 @@ static int intel_runtime_resume(struct device *kdev) intel_opregion_notify_adapter(dev_priv, PCI_D0); rpm->suspended = false; + pci_d3cold_enable(pdev); if (intel_uncore_unclaimed_mmio(&dev_priv->uncore)) drm_dbg(&dev_priv->drm, "Unclaimed access during suspend, bios?\n"); |