[Intel-gfx] [PATCH 13/15] drm/i915/guc: Initialise doorbell cookie to matching value

[Chris Wilson]

Set the initial value of the doorbell cookie from the client.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_guc_submission.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c
index 81aa5d4265c0..800dc5bb732f 100644
--- a/drivers/gpu/drm/i915/i915_guc_submission.c
+++ b/drivers/gpu/drm/i915/i915_guc_submission.c
@@ -247,8 +247,8 @@ static int guc_update_doorbell_id(struct intel_guc *guc,
 
 	/* Activate the new doorbell */
 	__set_bit(new_id, doorbell_bitmap);
-	doorbell->cookie = 0;
 	doorbell->db_status = GUC_DOORBELL_ENABLED;
+	doorbell->cookie = client->doorbell_cookie;
 	return host2guc_allocate_doorbell(guc, client);
 }
 
-- 
2.10.2