[SRU][Q][PATCH 2/2] drm/amdkfd: Export the cwsr_size and ctl_stack_size to userspace

[Mario Limonciello (AMD)]

From: Mario Limonciello <mario.limonciello at amd.com>

This is important for userspace to avoid hardcoding VGPR size.

BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2134491
Reviewed-by: Kent Russell <kent.russell at amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
(cherry picked from commit 71776e0965f9f730af19c5f548827f2a7c91f5a8)
Cc: stable at vger.kernel.org
(cherry picked from commit 8fc2796dea6f1210e1a01573961d5836a7ce531e)
Signed-off-by: Mario Limonciello (AMD) <superm1 at kernel.org>
---
 drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index 720b20e842ba4..af704f8731c5e 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 =
-- 
2.43.0