drm/i915: Add support for GPU soft reset on Ironlake.
Ironlake's graphics reset register has to be accessed via the MCHBAR,
rather than via PCI config space, which requires some refactoring.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index b1dc943..a5197e1 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -398,6 +398,7 @@
if (atomic_read(&dev_priv->mm.wedged)) {
switch (INTEL_INFO(dev)->gen) {
+ case 5:
case 4:
DRM_DEBUG_DRIVER("resetting chip\n");
kobject_uevent_env(&dev->primary->kdev.kobj, KOBJ_CHANGE, reset_event);