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drm/i915: Call uncore_suspend before platform suspend handlers

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Quoting Ville: "the forcewake timer might still be active until the uncore
suspend, and having active forcewakes while we've already told the GT wake
stuff to stop acting normally doesn't seem quite right to me."

Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Suggested-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171114135518.15981-3-hdegoede@redhat.com
This commit is contained in:
Hans de Goede
2017-11-14 14:55:18 +01:00
committed by Hans de Goede
parent bedf4d79c3
commit 01c799c995
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/i915/i915_drv.c
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@@ -2526,6 +2526,8 @@ static int intel_runtime_suspend(struct device *kdev)
intel_runtime_pm_disable_interrupts(dev_priv);
intel_uncore_suspend(dev_priv);
ret = 0;
if (IS_GEN9_LP(dev_priv)) {
bxt_display_core_uninit(dev_priv);
@@ -2538,6 +2540,8 @@ static int intel_runtime_suspend(struct device *kdev)
if (ret) {
DRM_ERROR("Runtime suspend failed, disabling it (%d)\n", ret);
intel_uncore_runtime_resume(dev_priv);
intel_runtime_pm_enable_interrupts(dev_priv);
enable_rpm_wakeref_asserts(dev_priv);
@@ -2545,8 +2549,6 @@ static int intel_runtime_suspend(struct device *kdev)
return ret;
}
intel_uncore_suspend(dev_priv);
enable_rpm_wakeref_asserts(dev_priv);
WARN_ON_ONCE(atomic_read(&dev_priv->runtime_pm.wakeref_count));