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drm/xe/guc: Ensure CT state transitions via STOP before DISABLED

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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: ee4b32220a ("drm/xe/guc: Add devm release action to safely tear down CT")
Cc: stable@vger.kernel.org
Signed-off-by: Zhanjun Dong <zhanjun.dong@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20260310225039.1320161-6-zhanjun.dong@intel.com
(cherry picked from commit dace8cb0032f57ea67c87b3b92ad73c89dd2db44)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
This commit is contained in:
Zhanjun Dong
2026-03-10 18:50:37 -04:00
committed by Thomas Hellström
parent e0f82655df
commit 7838dd8367
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/xe/xe_guc_ct.c
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@@ -345,6 +345,7 @@ 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);
}