[PATCH v4 0/6] dma-buf: Check status of enable-signaling bit on debug
Yadav, Arvind
arvyadav at amd.com
Thu Sep 15 13:02:16 UTC 2022
On 9/15/2022 5:37 PM, Christian König wrote:
> Is that sufficient to allow running a desktop on amdgpu with the extra
> check enabled? If yes that would be quite a milestone.
>
Yes, It is running on amdgpu with extra config enabled.
> What's left is checking the userspace IGT tests. Especially the
> sync_file and drm_syncobj tests I would expect to have problems with
> this extra check.
>
Yes, IGT test cases are failing .
~Arvind
> Thanks,
> Christian.
>
> Am 14.09.22 um 18:43 schrieb Arvind Yadav:
>> Fence signaling must be enabled to make sure that
>> the dma_fence_is_signaled() function ever returns true.
>> Since drivers and implementations sometimes mess this up,
>> this ensures correct behaviour when DEBUG_WW_MUTEX_SLOWPATH
>> is used during debugging.
>> This should make any implementation bugs resulting in not
>> signaled fences much more obvious.
>>
>> Arvind Yadav (6):
>> [PATCH v4 1/6] dma-buf: Remove the signaled bit status check
>> [PATCH v4 2/6] dma-buf: set signaling bit for the stub fence
>> [PATCH v4 3/6] dma-buf: Enable signaling on fence for selftests
>> [PATCH v4 4/6] dma-buf: dma_fence_wait must enable signaling
>> [PATCH v4 5/6] drm/sched: Use parent fence instead of finished
>> [PATCH v4 6/6] dma-buf: Check status of enable-signaling bit on debug
>>
>> drivers/dma-buf/Kconfig | 7 +++++++
>> drivers/dma-buf/dma-fence.c | 16 ++++++++++------
>> drivers/dma-buf/st-dma-fence-chain.c | 4 ++++
>> drivers/dma-buf/st-dma-fence-unwrap.c | 22 ++++++++++++++++++++++
>> drivers/dma-buf/st-dma-fence.c | 16 ++++++++++++++++
>> drivers/dma-buf/st-dma-resv.c | 10 ++++++++++
>> drivers/gpu/drm/scheduler/sched_main.c | 4 ++--
>> include/linux/dma-fence.h | 5 +++++
>> 8 files changed, 76 insertions(+), 8 deletions(-)
>>
>
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