在 6/27/2019 6:17 PM, Christian König 写道:
> Am 27.06.19 um 12:03 schrieb Cui, Flora:
>> scheduler timeout is in jiffies
>> v2: move timeout check to amdgpu_device_get_job_timeout_settings after
>> parsing the value
>>
>> Change-Id: I26708c163db943ff8d930dd81bcab4b4b9d84eb2
>> Signed-off-by: Flora Cui <flora.cui@xxxxxxx>
>> ---
>> drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 7 +++++--
>> 1 file changed, 5 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
>> index e74a175..cc29d70 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
>> @@ -1300,7 +1300,9 @@ int
>> amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev)
>> * By default timeout for non compute jobs is 10000.
>> * And there is no timeout enforced on compute jobs.
>> */
>> - adev->gfx_timeout = adev->sdma_timeout = adev->video_timeout =
>> 10000;
>> + adev->gfx_timeout = \
>> + adev->sdma_timeout = \
>> + adev->video_timeout = msecs_to_jiffies(10000);
>
> Of hand that looks very odd to me. This is not a macro so why the \ here?
will update in v3
>
>> adev->compute_timeout = MAX_SCHEDULE_TIMEOUT;
>> if (strnlen(input, AMDGPU_MAX_TIMEOUT_PARAM_LENTH)) {
>> @@ -1314,7 +1316,8 @@ int
>> amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev)
>> if (timeout <= 0) {
>> index++;
>> continue;
>> - }
>> + } else
>> + timeout = msecs_to_jiffies(timeout);
>
> You can actually remove the "if (timeout <= 0)" as well,
> msecs_to_jiffies will do the right thing for negative values.
IMHO check for timeout==0 is still needed. msecs_to_jiffies() would
return 0 and that's not desired for scheduler timer.
>
> Christian.
>
>> switch (index++) {
>> case 0:
>
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