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authorChristian König <christian.koenig@amd.com>2021-11-09 13:08:18 +0300
committerChristian König <christian.koenig@amd.com>2022-04-07 13:53:53 +0300
commit7bc80a5462c37eab58a9ea386064307c0f447fd1 (patch)
tree95efd2cffc143f44d38b99bad639ea5e750c8914 /drivers/gpio/gpio-104-idi-48.c
parent6e87601b7e3e067a6a6c083914e8a109edcded86 (diff)
downloadlinux-7bc80a5462c37eab58a9ea386064307c0f447fd1.tar.xz
dma-buf: add enum dma_resv_usage v4
This change adds the dma_resv_usage enum and allows us to specify why a dma_resv object is queried for its containing fences. Additional to that a dma_resv_usage_rw() helper function is added to aid retrieving the fences for a read or write userspace submission. This is then deployed to the different query functions of the dma_resv object and all of their users. When the write paratermer was previously true we now use DMA_RESV_USAGE_WRITE and DMA_RESV_USAGE_READ otherwise. v2: add KERNEL/OTHER in separate patch v3: some kerneldoc suggestions by Daniel v4: some more kerneldoc suggestions by Daniel, fix missing cases lost in the rebase pointed out by Bas. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20220407085946.744568-2-christian.koenig@amd.com
Diffstat (limited to 'drivers/gpio/gpio-104-idi-48.c')
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