diff options
| author | David Yat Sin <David.YatSin@amd.com> | 2025-02-25 18:08:02 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-04-20 10:15:24 +0200 |
| commit | 96757c085bd94495ebe4069807f9d35d6d2c75f8 (patch) | |
| tree | 4ffd72718470bf85850e27fce243225b0095de8f /include/uapi/linux | |
| parent | 1c38108a49aafeb79e3c7be327612a81a967d9da (diff) | |
drm/amdkfd: clamp queue size to minimum
[ Upstream commit e90711946b53590371ecce32e8fcc381a99d6333 ]
If queue size is less than minimum, clamp it to minimum to prevent
underflow when writing queue mqd.
Signed-off-by: David Yat Sin <David.YatSin@amd.com>
Reviewed-by: Jay Cornwall <jay.cornwall@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/kfd_ioctl.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h index 717307d6b5b7..3e1c11d9d980 100644 --- a/include/uapi/linux/kfd_ioctl.h +++ b/include/uapi/linux/kfd_ioctl.h @@ -62,6 +62,8 @@ struct kfd_ioctl_get_version_args { #define KFD_MAX_QUEUE_PERCENTAGE 100 #define KFD_MAX_QUEUE_PRIORITY 15 +#define KFD_MIN_QUEUE_RING_SIZE 1024 + struct kfd_ioctl_create_queue_args { __u64 ring_base_address; /* to KFD */ __u64 write_pointer_address; /* from KFD */ |