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Merge "msm: kgsl: Print always on counters if fenced write timed out"

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qctecmdr 2022-01-30 22:06:04 -08:00 • committed by Gerrit - the friendly Code Review server
commit 6874a5bd08
1 changed files with 6 additions and 3 deletions
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9
drivers/gpu/msm/adreno.c
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@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2002,2007-2021, The Linux Foundation. All rights reserved.
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include <linux/component.h>
#include <linux/delay.h>
@ -3131,12 +3132,14 @@ int adreno_gmu_fenced_write(struct adreno_device *adreno_dev,
unsigned int status, i;
const struct adreno_gpudev *gpudev = ADRENO_GPU_DEVICE(adreno_dev);
unsigned int reg_offset = gpudev->reg_offsets[offset];
u64 ts1, ts2;
adreno_writereg(adreno_dev, offset, val);
if (!gmu_core_isenabled(KGSL_DEVICE(adreno_dev)))
return 0;
ts1 = gpudev->read_alwayson(adreno_dev);
for (i = 0; i < GMU_CORE_LONG_WAKEUP_RETRY_LIMIT; i++) {
/*
* Make sure the previous register write is posted before
@ -3165,10 +3168,10 @@ int adreno_gmu_fenced_write(struct adreno_device *adreno_dev,
return 0;
if (i == GMU_CORE_LONG_WAKEUP_RETRY_LIMIT) {
ts2 = gpudev->read_alwayson(adreno_dev);
dev_err(adreno_dev->dev.dev,
"Timed out waiting %d usecs to write fenced register 0x%x\n",
i * GMU_CORE_WAKEUP_DELAY_US,
reg_offset);
"Timed out waiting %d usecs to write fenced register 0x%x, timestamps: %llx %llx\n",
i * GMU_CORE_WAKEUP_DELAY_US, reg_offset, ts1, ts2);
return -ETIMEDOUT;
}