[PATCH] drm/i915: Request driver probe from an async task

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As we are careful not to register external interfaces before the
internals are brought up, we are not dependent upon a synchronous
probing and can allow ourselves to be probed from a secondary thread
during system bootup. We already do relegate some configuration to
asynchronous tasks (such as setting up the fbdev), now do the entire
probe.

References: https://bugs.freedesktop.org/show_bug.cgi?id=105622
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Imre Deak <imre.deak@xxxxxxxxx>
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Cc: David Weinehall <david.weinehall@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_pci.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 4364922e935d..be7b03d48229 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -726,6 +726,7 @@ static struct pci_driver i915_pci_driver = {
 	.probe = i915_pci_probe,
 	.remove = i915_pci_remove,
 	.driver.pm = &i915_pm_ops,
+	.driver.probe_type = PROBE_PREFER_ASYNCHRONOUS,
 };
 
 static int __init i915_init(void)
-- 
2.16.2

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