completely rework the dma_resv semantic

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Subject: completely rework the dma_resv semantic
From: "Christian König" <ckoenig.leichtzumerken@xxxxxxxxx>
Date: Tue, 7 Dec 2021 13:33:47 +0100

Hi Daniel,

just a gentle ping that you wanted to take a look at this.

Not much changed compared to the last version, only a minor bugfix in
the dma_resv_get_singleton error handling.

Regards,
Christian.

Follow-Ups:
- Re: completely rework the dma_resv semantic
  - From: Christian König
- [PATCH 24/24] drm/ttm: remove bo->moving
  - From: Christian König
- [PATCH 23/24] amdgpu: remove DMA-buf fence workaround
  - From: Christian König
- [PATCH 22/24] dma-buf: wait for map to complete for static attachments
  - From: Christian König
- [PATCH 21/24] dma-buf: add DMA_RESV_USAGE_BOOKKEEP
  - From: Christian König
- [PATCH 20/24] dma-buf: add DMA_RESV_USAGE_KERNEL
  - From: Christian König
- [PATCH 19/24] dma-buf: specify usage while adding fences to dma_resv obj v2
  - From: Christian König
- [PATCH 18/24] dma-buf: add enum dma_resv_usage v3
  - From: Christian König
- [PATCH 16/24] drm/nouveau: support more than one write fence in fenv50_wndw_prepare_fb
  - From: Christian König
- [PATCH 17/24] drm/amdgpu: use dma_resv_get_singleton in amdgpu_pasid_free_cb
  - From: Christian König
- [PATCH 15/24] drm: support more than one write fence in drm_gem_plane_helper_prepare_fb
  - From: Christian König
- [PATCH 14/24] dma-buf/drivers: make reserving a shared slot mandatory v2
  - From: Christian König
- [PATCH 13/24] dma-buf: drop the DAG approach for the dma_resv object
  - From: Christian König
- [PATCH 12/24] dma-buf: finally make dma_resv_excl_fence private
  - From: Christian König
- [PATCH 11/24] drm/amdgpu: use dma_resv_for_each_fence for CS workaround
  - From: Christian König
- [PATCH 10/24] drm/amdgpu: remove excl as shared workarounds
  - From: Christian König
- [PATCH 09/24] drm/radeon: stop using dma_resv_excl_fence
  - From: Christian König
- [PATCH 08/24] drm/vmwgfx: stop using dma_resv_excl_fence
  - From: Christian König
- [PATCH 07/24] drm/nouveau: stop using dma_resv_excl_fence
  - From: Christian König
- [PATCH 06/24] drm/etnaviv: stop using dma_resv_excl_fence
  - From: Christian König
- [PATCH 05/24] RDMA: use dma_resv_wait() instead of extracting the fence
  - From: Christian König
- [PATCH 04/24] dma-buf: add dma_resv_get_singleton v2
  - From: Christian König
- [PATCH 03/24] dma-buf: drop excl_fence parameter from dma_resv_get_fences
  - From: Christian König
- [PATCH 02/24] dma-buf: finally make the dma_resv_list private
  - From: Christian König
- [PATCH 01/24] dma-buf: add dma_resv_replace_fences
  - From: Christian König

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