target_linux_rockchip-6.x/patches-6.6/034-24-v6.8-drm-sched-Add-a-helper-to-queue-TDR-immediately.patch
sbwml ae3c1c2368 rockchip: backport panthor gpu driver
* rk3588

Signed-off-by: sbwml <admin@cooluc.com>
2024-07-07 21:39:51 +08:00

71 lines
2.5 KiB
Diff

From 3c6c7ca4508b6cb1a033ac954c50a1b2c97af883 Mon Sep 17 00:00:00 2001
From: Matthew Brost <matthew.brost@intel.com>
Date: Mon, 30 Oct 2023 20:24:39 -0700
Subject: [PATCH] drm/sched: Add a helper to queue TDR immediately
Add a helper whereby a driver can invoke TDR immediately.
v2:
- Drop timeout args, rename function, use mod delayed work (Luben)
v3:
- s/XE/Xe (Luben)
- present tense in commit message (Luben)
- Adjust comment for drm_sched_tdr_queue_imm (Luben)
v4:
- Adjust commit message (Luben)
Cc: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Link: https://lore.kernel.org/r/20231031032439.1558703-6-matthew.brost@intel.com
Signed-off-by: Luben Tuikov <ltuikov89@gmail.com>
---
drivers/gpu/drm/scheduler/sched_main.c | 18 +++++++++++++++++-
include/drm/gpu_scheduler.h | 1 +
2 files changed, 18 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -336,7 +336,7 @@ static void drm_sched_start_timeout(stru
{
if (sched->timeout != MAX_SCHEDULE_TIMEOUT &&
!list_empty(&sched->pending_list))
- queue_delayed_work(sched->timeout_wq, &sched->work_tdr, sched->timeout);
+ mod_delayed_work(sched->timeout_wq, &sched->work_tdr, sched->timeout);
}
/**
@@ -354,6 +354,22 @@ void drm_sched_fault(struct drm_gpu_sche
EXPORT_SYMBOL(drm_sched_fault);
/**
+ * drm_sched_tdr_queue_imm: - immediately start job timeout handler
+ *
+ * @sched: scheduler for which the timeout handling should be started.
+ *
+ * Start timeout handling immediately for the named scheduler.
+ */
+void drm_sched_tdr_queue_imm(struct drm_gpu_scheduler *sched)
+{
+ spin_lock(&sched->job_list_lock);
+ sched->timeout = 0;
+ drm_sched_start_timeout(sched);
+ spin_unlock(&sched->job_list_lock);
+}
+EXPORT_SYMBOL(drm_sched_tdr_queue_imm);
+
+/**
* drm_sched_suspend_timeout - Suspend scheduler job timeout
*
* @sched: scheduler instance for which to suspend the timeout
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -556,6 +556,7 @@ void drm_sched_entity_modify_sched(struc
struct drm_gpu_scheduler **sched_list,
unsigned int num_sched_list);
+void drm_sched_tdr_queue_imm(struct drm_gpu_scheduler *sched);
void drm_sched_job_cleanup(struct drm_sched_job *job);
void drm_sched_wakeup_if_can_queue(struct drm_gpu_scheduler *sched);
bool drm_sched_wqueue_ready(struct drm_gpu_scheduler *sched);