On Tue, Jun 25, 2024 at 11:33:16AM +0200, Greg Kroah-Hartman wrote: > 6.9-stable review patch. If anyone has any objections, please let me know. Please drop this patch. Same as: https://lore.kernel.org/stable/2024061946-salvaging-tying-a320@gregkh/raw > > ------------------ > > 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 > > >
