6.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Matthew Brost <matthew.brost@xxxxxxxxx> [ Upstream commit 2d9c72f676e6f79a021b74c6c1c88235e7d5b722 ] System work queues are shared, use a dedicated work queue for G2H processing to avoid G2H processing getting block behind system tasks. Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Cc: <stable@xxxxxxxxxxxxxxx> Signed-off-by: Matthew Brost <matthew.brost@xxxxxxxxx> Reviewed-by: Francois Dugast <francois.dugast@xxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20240506034758.3697397-1-matthew.brost@xxxxxxxxx (cherry picked from commit 50aec9665e0babd62b9eee4e613d9a1ef8d2b7de) Signed-off-by: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/gpu/drm/xe/xe_guc_ct.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_guc_ct.c b/drivers/gpu/drm/xe/xe_guc_ct.c index 8bbfa45798e2e..6ac86936faaf9 100644 --- a/drivers/gpu/drm/xe/xe_guc_ct.c +++ b/drivers/gpu/drm/xe/xe_guc_ct.c @@ -146,6 +146,10 @@ int xe_guc_ct_init(struct xe_guc_ct *ct) xe_assert(xe, !(guc_ct_size() % PAGE_SIZE)); + ct->g2h_wq = alloc_ordered_workqueue("xe-g2h-wq", 0); + if (!ct->g2h_wq) + return -ENOMEM; + ct->g2h_wq = alloc_ordered_workqueue("xe-g2h-wq", 0); if (!ct->g2h_wq) return -ENOMEM; -- 2.43.0