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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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f54d186700
I plan to usurp the short name of struct fence for a core kernel struct, and so I need to rename the specialised fence/timeline for DMA operations to make room. A consensus was reached in https://lists.freedesktop.org/archives/dri-devel/2016-July/113083.html that making clear this fence applies to DMA operations was a good thing. Since then the patch has grown a bit as usage increases, so hopefully it remains a good thing! (v2...: rebase, rerun spatch) v3: Compile on msm, spotted a manual fixup that I broke. v4: Try again for msm, sorry Daniel coccinelle script: @@ @@ - struct fence + struct dma_fence @@ @@ - struct fence_ops + struct dma_fence_ops @@ @@ - struct fence_cb + struct dma_fence_cb @@ @@ - struct fence_array + struct dma_fence_array @@ @@ - enum fence_flag_bits + enum dma_fence_flag_bits @@ @@ ( - fence_init + dma_fence_init | - fence_release + dma_fence_release | - fence_free + dma_fence_free | - fence_get + dma_fence_get | - fence_get_rcu + dma_fence_get_rcu | - fence_put + dma_fence_put | - fence_signal + dma_fence_signal | - fence_signal_locked + dma_fence_signal_locked | - fence_default_wait + dma_fence_default_wait | - fence_add_callback + dma_fence_add_callback | - fence_remove_callback + dma_fence_remove_callback | - fence_enable_sw_signaling + dma_fence_enable_sw_signaling | - fence_is_signaled_locked + dma_fence_is_signaled_locked | - fence_is_signaled + dma_fence_is_signaled | - fence_is_later + dma_fence_is_later | - fence_later + dma_fence_later | - fence_wait_timeout + dma_fence_wait_timeout | - fence_wait_any_timeout + dma_fence_wait_any_timeout | - fence_wait + dma_fence_wait | - fence_context_alloc + dma_fence_context_alloc | - fence_array_create + dma_fence_array_create | - to_fence_array + to_dma_fence_array | - fence_is_array + dma_fence_is_array | - trace_fence_emit + trace_dma_fence_emit | - FENCE_TRACE + DMA_FENCE_TRACE | - FENCE_WARN + DMA_FENCE_WARN | - FENCE_ERR + DMA_FENCE_ERR ) ( ... ) Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Acked-by: Sumit Semwal <sumit.semwal@linaro.org> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20161025120045.28839-1-chris@chris-wilson.co.uk
109 lines
3.0 KiB
C
109 lines
3.0 KiB
C
#ifndef __NOUVEAU_FENCE_H__
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#define __NOUVEAU_FENCE_H__
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#include <linux/dma-fence.h>
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#include <nvif/notify.h>
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struct nouveau_drm;
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struct nouveau_bo;
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struct nouveau_fence {
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struct dma_fence base;
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struct list_head head;
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bool sysmem;
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struct nouveau_channel __rcu *channel;
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unsigned long timeout;
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};
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int nouveau_fence_new(struct nouveau_channel *, bool sysmem,
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struct nouveau_fence **);
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void nouveau_fence_unref(struct nouveau_fence **);
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int nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
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bool nouveau_fence_done(struct nouveau_fence *);
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void nouveau_fence_work(struct dma_fence *, void (*)(void *), void *);
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int nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
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int nouveau_fence_sync(struct nouveau_bo *, struct nouveau_channel *, bool exclusive, bool intr);
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struct nouveau_fence_chan {
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spinlock_t lock;
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struct kref fence_ref;
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struct list_head pending;
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struct list_head flip;
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int (*emit)(struct nouveau_fence *);
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int (*sync)(struct nouveau_fence *, struct nouveau_channel *,
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struct nouveau_channel *);
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u32 (*read)(struct nouveau_channel *);
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int (*emit32)(struct nouveau_channel *, u64, u32);
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int (*sync32)(struct nouveau_channel *, u64, u32);
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u32 sequence;
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u32 context;
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char name[32];
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struct nvif_notify notify;
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int notify_ref, dead;
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};
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struct nouveau_fence_priv {
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void (*dtor)(struct nouveau_drm *);
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bool (*suspend)(struct nouveau_drm *);
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void (*resume)(struct nouveau_drm *);
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int (*context_new)(struct nouveau_channel *);
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void (*context_del)(struct nouveau_channel *);
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u32 contexts;
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u64 context_base;
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bool uevent;
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};
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#define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
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void nouveau_fence_context_new(struct nouveau_channel *, struct nouveau_fence_chan *);
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void nouveau_fence_context_del(struct nouveau_fence_chan *);
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void nouveau_fence_context_free(struct nouveau_fence_chan *);
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int nv04_fence_create(struct nouveau_drm *);
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int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
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int nv10_fence_emit(struct nouveau_fence *);
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int nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
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struct nouveau_channel *);
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u32 nv10_fence_read(struct nouveau_channel *);
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void nv10_fence_context_del(struct nouveau_channel *);
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void nv10_fence_destroy(struct nouveau_drm *);
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int nv10_fence_create(struct nouveau_drm *);
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int nv17_fence_create(struct nouveau_drm *);
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void nv17_fence_resume(struct nouveau_drm *drm);
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int nv50_fence_create(struct nouveau_drm *);
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int nv84_fence_create(struct nouveau_drm *);
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int nvc0_fence_create(struct nouveau_drm *);
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int nouveau_flip_complete(struct nvif_notify *);
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struct nv84_fence_chan {
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struct nouveau_fence_chan base;
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struct nvkm_vma vma;
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struct nvkm_vma vma_gart;
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struct nvkm_vma dispc_vma[4];
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};
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struct nv84_fence_priv {
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struct nouveau_fence_priv base;
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struct nouveau_bo *bo;
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struct nouveau_bo *bo_gart;
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u32 *suspend;
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};
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u64 nv84_fence_crtc(struct nouveau_channel *, int);
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int nv84_fence_context_new(struct nouveau_channel *);
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#endif
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