Current wait timeout of 10us is very tight as seen on SKL/KBL randomly
for pm_rpm@basic-pci-d3-state. Increase it to 50us.
Signed-off-by: Sagar Arun Kamble <sagar.a.kam...@intel.com>
Cc: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Michał Winiarski <michal.winiar...@intel.com>
Cc: Michel Thierry <michel.thie...@intel.com>
Cc: Michal Wajdeczko <michal.wajdec...@intel.com>
Cc: Arkadiusz Hiler <arkadiusz.hi...@intel.com>
Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
---
drivers/gpu/drm/i915/i915_guc_submission.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c
b/drivers/gpu/drm/i915/i915_guc_submission.c
index 21f7fa7..3914415 100644
--- a/drivers/gpu/drm/i915/i915_guc_submission.c
+++ b/drivers/gpu/drm/i915/i915_guc_submission.c
@@ -222,7 +222,8 @@ static int __destroy_doorbell(struct i915_guc_client
*client, bool notify_guc)
/* Doorbell release flow requires that we wait for GEN8_DRB_VALID bit
* to go to zero after updating db_status before we call the GuC to
* release the doorbell */
- if (wait_for_us(!(I915_READ(GEN8_DRBREGL(db_id)) & GEN8_DRB_VALID), 10))
+ if (wait_for_us(!(I915_READ(GEN8_DRBREGL(db_id)) & GEN8_DRB_VALID),
+ 50))
WARN_ONCE(true, "Doorbell never became invalid after
disable\n");
if (notify_guc)
--
1.9.1
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
