Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/xe: Promote relaxed_ms_sleep
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
+38
-21
+2
-21
drivers/gpu/drm/xe/xe_guc_submit.c
+2
-21
drivers/gpu/drm/xe/xe_guc_submit.c
···
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8
#include <linux/bitfield.h>
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#include <linux/bitmap.h>
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10
#include <linux/circ_buf.h>
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-
#include <linux/delay.h>
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11
#include <linux/dma-fence-array.h>
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-
#include <linux/math64.h>
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#include <drm/drm_managed.h>
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14
···
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#include "xe_pm.h"
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#include "xe_ring_ops_types.h"
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#include "xe_sched_job.h"
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+
#include "xe_sleep.h"
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#include "xe_trace.h"
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#include "xe_uc_fw.h"
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#include "xe_vm.h"
···
1031
1032
return (WQ_SIZE - q->guc->wqi_tail);
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}
1033
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1034
-
static inline void relaxed_ms_sleep(unsigned int delay_ms)
1035
-
{
1036
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unsigned long min_us, max_us;
1037
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1038
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if (!delay_ms)
1039
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return;
1040
-
1041
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if (delay_ms > 20) {
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msleep(delay_ms);
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return;
1044
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}
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min_us = mul_u32_u32(delay_ms, 1000);
1047
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max_us = min_us + 500;
1048
-
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usleep_range(min_us, max_us);
1050
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}
1051
-
1052
1035
static int wq_wait_for_space(struct xe_exec_queue *q, u32 wqi_size)
1053
1036
{
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struct xe_guc *guc = exec_queue_to_guc(q);
···
1815
1834
since_resume_ms;
1816
1835
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1836
if (wait_ms > 0 && q->guc->resume_time)
1818
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relaxed_ms_sleep(wait_ms);
1837
+
xe_sleep_relaxed_ms(wait_ms);
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set_exec_queue_suspended(q);
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disable_scheduling(q, false);
+36
drivers/gpu/drm/xe/xe_sleep.h
+36
drivers/gpu/drm/xe/xe_sleep.h
···
1
+
/* SPDX-License-Identifier: MIT */
2
+
/*
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* Copyright © 2026 Intel Corporation
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*/
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+
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#ifndef _XE_SLEEP_H_
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+
#define _XE_SLEEP_H_
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+
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#include <linux/delay.h>
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#include <linux/math64.h>
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+
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/**
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* xe_sleep_relaxed_ms() - Sleep for an approximate time.
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* @delay_ms: time in msec to sleep
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*
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* For smaller timeouts, sleep with 0.5ms accuracy.
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*/
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static inline void xe_sleep_relaxed_ms(unsigned int delay_ms)
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{
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unsigned long min_us, max_us;
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+
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+
if (!delay_ms)
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return;
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+
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if (delay_ms > 20) {
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msleep(delay_ms);
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return;
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}
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+
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min_us = mul_u32_u32(delay_ms, 1000);
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max_us = min_us + 500;
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+
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usleep_range(min_us, max_us);
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}
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#endif