6.12-stable review patch. If anyone has any objections, please let me know.
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From: Chia-I Wu olvaffe@gmail.com
[ Upstream commit a00f2015acdbd8a4b3d2382eaeebe11db1925fad ]
A panthor group can have at most MAX_CS_PER_CSG panthor queues.
Fixes: 4bdca11507928 ("drm/panthor: Add the driver frontend block") Signed-off-by: Chia-I Wu olvaffe@gmail.com Reviewed-by: Boris Brezillon boris.brezillon@collabora.com # v1 Reviewed-by: Steven Price steven.price@arm.com Signed-off-by: Steven Price steven.price@arm.com Link: https://lore.kernel.org/r/20250903192133.288477-1-olvaffe@gmail.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/panthor/panthor_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/panthor/panthor_drv.c b/drivers/gpu/drm/panthor/panthor_drv.c index c520f156e2d73..03eb7d52209a2 100644 --- a/drivers/gpu/drm/panthor/panthor_drv.c +++ b/drivers/gpu/drm/panthor/panthor_drv.c @@ -1023,7 +1023,7 @@ static int panthor_ioctl_group_create(struct drm_device *ddev, void *data, struct drm_panthor_queue_create *queue_args; int ret;
- if (!args->queues.count) + if (!args->queues.count || args->queues.count > MAX_CS_PER_CSG) return -EINVAL;
ret = PANTHOR_UOBJ_GET_ARRAY(queue_args, &args->queues);