diff options
| author | Chia-I Wu <olvaffe@gmail.com> | 2025-09-03 12:21:33 -0700 |
|---|---|---|
| committer | Steven Price <steven.price@arm.com> | 2025-09-04 15:59:23 +0100 |
| commit | a00f2015acdbd8a4b3d2382eaeebe11db1925fad (patch) | |
| tree | 4076579b0b40a5b976a308105547cc039f8d48ab | |
| parent | d5067034725b1a0b2c785cea9cfce68776a94042 (diff) | |
drm/panthor: validate group queue count
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
| -rw-r--r-- | drivers/gpu/drm/panthor/panthor_drv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/panthor/panthor_drv.c b/drivers/gpu/drm/panthor/panthor_drv.c index 1116f2d2826e..4d8e9b34702a 100644 --- a/drivers/gpu/drm/panthor/panthor_drv.c +++ b/drivers/gpu/drm/panthor/panthor_drv.c @@ -1094,7 +1094,7 @@ 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); |