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drm/xe: Promote relaxed_ms_sleep

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We want to have single place with sleep related helpers for better
code reuse. Create xe_sleep.h and move relaxed_ms_sleep() there.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20260127193727.601-2-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko
2026-01-27 20:37:21 +01:00
parent 316b05ae7e
commit 94a2ceb190
2 changed files with 38 additions and 21 deletions
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23
drivers/gpu/drm/xe/xe_guc_submit.c
View File

@@ -8,9 +8,7 @@
#include <linux/bitfield.h>
#include <linux/bitmap.h>
#include <linux/circ_buf.h>
#include <linux/delay.h>
#include <linux/dma-fence-array.h>
#include <linux/math64.h>
#include <drm/drm_managed.h>
@@ -42,6 +40,7 @@
#include "xe_pm.h"
#include "xe_ring_ops_types.h"
#include "xe_sched_job.h"
#include "xe_sleep.h"
#include "xe_trace.h"
#include "xe_uc_fw.h"
#include "xe_vm.h"
@@ -1032,24 +1031,6 @@ static u32 wq_space_until_wrap(struct xe_exec_queue *q)
return (WQ_SIZE - q->guc->wqi_tail);
}
static inline void relaxed_ms_sleep(unsigned int delay_ms)
{
unsigned long min_us, max_us;
if (!delay_ms)
return;
if (delay_ms > 20) {
msleep(delay_ms);
return;
}
min_us = mul_u32_u32(delay_ms, 1000);
max_us = min_us + 500;
usleep_range(min_us, max_us);
}
static int wq_wait_for_space(struct xe_exec_queue *q, u32 wqi_size)
{
struct xe_guc *guc = exec_queue_to_guc(q);
@@ -1834,7 +1815,7 @@ static void __guc_exec_queue_process_msg_suspend(struct xe_sched_msg *msg)
since_resume_ms;
if (wait_ms > 0 && q->guc->resume_time)
relaxed_ms_sleep(wait_ms);
xe_sleep_relaxed_ms(wait_ms);
set_exec_queue_suspended(q);
disable_scheduling(q, false);

36
drivers/gpu/drm/xe/xe_sleep.h Normal file
View File

@@ -0,0 +1,36 @@
/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2026 Intel Corporation
*/
#ifndef _XE_SLEEP_H_
#define _XE_SLEEP_H_
#include <linux/delay.h>
#include <linux/math64.h>
/**
* xe_sleep_relaxed_ms() - Sleep for an approximate time.
* @delay_ms: time in msec to sleep
*
* For smaller timeouts, sleep with 0.5ms accuracy.
*/
static inline void xe_sleep_relaxed_ms(unsigned int delay_ms)
{
unsigned long min_us, max_us;
if (!delay_ms)
return;
if (delay_ms > 20) {
msleep(delay_ms);
return;
}
min_us = mul_u32_u32(delay_ms, 1000);
max_us = min_us + 500;
usleep_range(min_us, max_us);
}
#endif