From: Mario Limonciello Date: Fri, 5 Dec 2025 18:41:58 +0000 (-0600) Subject: drm/amdkfd: Export the cwsr_size and ctl_stack_size to userspace X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=71776e0965f9f730af19c5f548827f2a7c91f5a8;p=thirdparty%2Fkernel%2Flinux.git drm/amdkfd: Export the cwsr_size and ctl_stack_size to userspace This is important for userspace to avoid hardcoding VGPR size. Reviewed-by: Kent Russell Signed-off-by: Mario Limonciello Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c index 9c3e8f946a3d5..a0990dd2378c1 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c @@ -491,6 +491,10 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr, dev->node_props.num_sdma_queues_per_engine); sysfs_show_32bit_prop(buffer, offs, "num_cp_queues", dev->node_props.num_cp_queues); + sysfs_show_32bit_prop(buffer, offs, "cwsr_size", + dev->node_props.cwsr_size); + sysfs_show_32bit_prop(buffer, offs, "ctl_stack_size", + dev->node_props.ctl_stack_size); if (dev->gpu) { log_max_watch_addr =