From: Zhanjun Dong Date: Tue, 10 Mar 2026 22:50:37 +0000 (-0400) Subject: drm/xe/guc: Ensure CT state transitions via STOP before DISABLED X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=dace8cb0032f57ea67c87b3b92ad73c89dd2db44;p=thirdparty%2Flinux.git drm/xe/guc: Ensure CT state transitions via STOP before DISABLED The GuC CT state transition requires moving to the STOP state before entering the DISABLED state. Update the driver teardown sequence to make the proper state machine transitions. Fixes: ee4b32220a6b ("drm/xe/guc: Add devm release action to safely tear down CT") Cc: stable@vger.kernel.org Signed-off-by: Zhanjun Dong Reviewed-by: Matthew Brost Signed-off-by: Matthew Brost Link: https://patch.msgid.link/20260310225039.1320161-6-zhanjun.dong@intel.com --- diff --git a/drivers/gpu/drm/xe/xe_guc_ct.c b/drivers/gpu/drm/xe/xe_guc_ct.c index 496c6c77bee60..3b1c03743f83e 100644 --- a/drivers/gpu/drm/xe/xe_guc_ct.c +++ b/drivers/gpu/drm/xe/xe_guc_ct.c @@ -352,6 +352,7 @@ static void guc_action_disable_ct(void *arg) { struct xe_guc_ct *ct = arg; + xe_guc_ct_stop(ct); guc_ct_change_state(ct, XE_GUC_CT_STATE_DISABLED); }