Commit 9d6aabe1 authored by Michal Wajdeczko's avatar Michal Wajdeczko
Browse files

drm/xe/pf: Allow to control scheduling priority using debugfs 



Add 'sched_priority' attribute that will represents the scheduling
prority of the VF or PF. Values {0,1,2} correspond to priorities
{LOW,NORMAL,HIGH} respectively.

Signed-off-by: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: default avatarLukasz Laguna <lukasz.laguna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241106151301.2079-5-michal.wajdeczko@intel.com
parent 7dbed0fd

drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c

+5 −0
Original line number Diff line number Diff line
@@ -164,6 +164,7 @@ static void pf_add_policy_attrs(struct xe_gt *gt, struct dentry *parent) 
 *      │   │   ├── contexts_spare

 *      │   │   ├── exec_quantum_ms

 *      │   │   ├── preempt_timeout_us

 *      │   │   ├── sched_priority

 *      │   ├── vf1

 *      │   │   ├── ggtt_quota

 *      │   │   ├── lmem_quota
@@ -171,6 +172,7 @@ static void pf_add_policy_attrs(struct xe_gt *gt, struct dentry *parent) 
 *      │   │   ├── contexts_quota

 *      │   │   ├── exec_quantum_ms

 *      │   │   ├── preempt_timeout_us

 *      │   │   ├── sched_priority

 */



#define DEFINE_SRIOV_GT_CONFIG_DEBUGFS_ATTRIBUTE(CONFIG, TYPE, FORMAT)		\
@@ -209,6 +211,7 @@ DEFINE_SRIOV_GT_CONFIG_DEBUGFS_ATTRIBUTE(ctxs, u32, "%llu\n"); 
DEFINE_SRIOV_GT_CONFIG_DEBUGFS_ATTRIBUTE(dbs, u32, "%llu\n");

DEFINE_SRIOV_GT_CONFIG_DEBUGFS_ATTRIBUTE(exec_quantum, u32, "%llu\n");

DEFINE_SRIOV_GT_CONFIG_DEBUGFS_ATTRIBUTE(preempt_timeout, u32, "%llu\n");

DEFINE_SRIOV_GT_CONFIG_DEBUGFS_ATTRIBUTE(sched_priority, u32, "%llu\n");



/*

 *      /sys/kernel/debug/dri/0/
@@ -295,6 +298,8 @@ static void pf_add_config_attrs(struct xe_gt *gt, struct dentry *parent, unsigne 
				   &exec_quantum_fops);

	debugfs_create_file_unsafe("preempt_timeout_us", 0644, parent, parent,

				   &preempt_timeout_fops);

	debugfs_create_file_unsafe("sched_priority", 0644, parent, parent,

				   &sched_priority_fops);



	/* register all threshold attributes */

#define register_threshold_attribute(TAG, NAME, ...) \