[PATCH v3 0/6] dma-buf: Check status of enable-signaling bit on debug

From: Arvind Yadav
Date: Fri Sep 09 2022 - 13:10:12 EST


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 v3 1/6] dma-buf: Remove the signaled bit status check
[PATCH v3 2/6] dma-buf: set signaling bit for the stub fence
[PATCH v3 3/6] dma-buf: Enable signaling on fence for selftests
[PATCH v3 4/6] drm/amdgpu: Enable signaling on fence.
[PATCH v3 5/6] drm/sched: Use parent fence instead of finished
[PATCH v3 6/6] dma-buf: Check status of enable-signaling bit on debug

drivers/dma-buf/dma-fence.c | 7 ++++---
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/amd/amdgpu/amdgpu_ctx.c | 2 ++
drivers/gpu/drm/scheduler/sched_main.c | 4 ++--
include/linux/dma-fence.h | 5 +++++
8 files changed, 65 insertions(+), 5 deletions(-)

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2.25.1