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.kamble@xxxxxxxxx> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Cc: Michał Winiarski <michal.winiarski@xxxxxxxxx> Cc: Michel Thierry <michel.thierry@xxxxxxxxx> Cc: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx> Cc: Arkadiusz Hiler <arkadiusz.hiler@xxxxxxxxx> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> --- 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@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
