freedreno/drm: Remove cpu_fini

It has been unused since nearly forever.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20263>

src/freedreno/drm/freedreno_bo.c

@@ -585,15 +585,6 @@ fd_bo_cpu_prep(struct fd_bo *bo, struct fd_pipe *pipe, uint32_t op)
    return bo->funcs->cpu_prep(bo, pipe, op);
 }
 
-void
-fd_bo_cpu_fini(struct fd_bo *bo)
-{
-// TODO until we have cached buffers, the kernel side ioctl does nothing,
-//      so just skip it.  When we have cached buffers, we can make the
-//      ioctl conditional
-//   bo->funcs->cpu_fini(bo);
-}
-
 void
 fd_bo_add_fence(struct fd_bo *bo, struct fd_pipe *pipe, uint32_t fence)
 {

src/freedreno/drm/freedreno_drmif.h

@@ -290,7 +290,6 @@ void *fd_bo_map(struct fd_bo *bo);
 void fd_bo_upload(struct fd_bo *bo, void *src, unsigned off, unsigned len);
 bool fd_bo_prefer_upload(struct fd_bo *bo, unsigned len);
 int fd_bo_cpu_prep(struct fd_bo *bo, struct fd_pipe *pipe, uint32_t op);
-void fd_bo_cpu_fini(struct fd_bo *bo);
 bool fd_bo_is_cached(struct fd_bo *bo);
 
 #ifdef __cplusplus

src/freedreno/drm/freedreno_priv.h

@@ -317,7 +317,6 @@ fd_dev_count_deferred_cmds(struct fd_device *dev)
 struct fd_bo_funcs {
    int (*offset)(struct fd_bo *bo, uint64_t *offset);
    int (*cpu_prep)(struct fd_bo *bo, struct fd_pipe *pipe, uint32_t op);
-   void (*cpu_fini)(struct fd_bo *bo);
    int (*madvise)(struct fd_bo *bo, int willneed);
    uint64_t (*iova)(struct fd_bo *bo);
    void (*set_name)(struct fd_bo *bo, const char *fmt, va_list ap);

src/freedreno/drm/msm/msm_bo.c

@@ -78,16 +78,6 @@ msm_bo_cpu_prep(struct fd_bo *bo, struct fd_pipe *pipe, uint32_t op)
    return drmCommandWrite(bo->dev->fd, DRM_MSM_GEM_CPU_PREP, &req, sizeof(req));
 }
 
-static void
-msm_bo_cpu_fini(struct fd_bo *bo)
-{
-   struct drm_msm_gem_cpu_fini req = {
-      .handle = bo->handle,
-   };
-
-   drmCommandWrite(bo->dev->fd, DRM_MSM_GEM_CPU_FINI, &req, sizeof(req));
-}
-
 static int
 msm_bo_madvise(struct fd_bo *bo, int willneed)
 {
@@ -156,7 +146,6 @@ msm_bo_destroy(struct fd_bo *bo)
 static const struct fd_bo_funcs funcs = {
    .offset = msm_bo_offset,
    .cpu_prep = msm_bo_cpu_prep,
-   .cpu_fini = msm_bo_cpu_fini,
    .madvise = msm_bo_madvise,
    .iova = msm_bo_iova,
    .set_name = msm_bo_set_name,

src/freedreno/drm/virtio/virtio_bo.c

@@ -138,12 +138,6 @@ out:
    return ret;
 }
 
-static void
-virtio_bo_cpu_fini(struct fd_bo *bo)
-{
-   /* no-op */
-}
-
 static int
 virtio_bo_madvise(struct fd_bo *bo, int willneed)
 {
@@ -288,7 +282,6 @@ virtio_bo_destroy(struct fd_bo *bo)
 static const struct fd_bo_funcs funcs = {
    .offset = virtio_bo_offset,
    .cpu_prep = virtio_bo_cpu_prep,
-   .cpu_fini = virtio_bo_cpu_fini,
    .madvise = virtio_bo_madvise,
    .iova = virtio_bo_iova,
    .set_name = virtio_bo_set_name,

src/gallium/drivers/freedreno/freedreno_context.c

@@ -180,10 +180,6 @@ fd_memory_barrier(struct pipe_context *pctx, unsigned flags)
       return;
 
    fd_context_flush(pctx, NULL, 0);
-
-   /* TODO do we need to check for persistently mapped buffers and
-    * fd_bo_cpu_prep()??
-    */
 }
 
 static void

src/gallium/drivers/freedreno/freedreno_query_acc.c

@@ -64,7 +64,6 @@ realloc_query_bo(struct fd_context *ctx, struct fd_acc_query *aq)
 
    map = fd_bo_map(rsc->bo);
    memset(map, 0, aq->size);
-   fd_bo_cpu_fini(rsc->bo);
 }
 
 static void
@@ -193,7 +192,6 @@ fd_acc_get_query_result(struct fd_context *ctx, struct fd_query *q, bool wait,
 
    struct fd_acc_query_sample *s = fd_bo_map(rsc->bo);
    p->result(aq, s, result);
-   fd_bo_cpu_fini(rsc->bo);
 
    return true;
 }

src/gallium/drivers/freedreno/freedreno_query_hw.c

@@ -245,8 +245,6 @@ fd_hw_get_query_result(struct fd_context *ctx, struct fd_query *q, bool wait,
          p->accumulate_result(ctx, sampptr(period->start, i, ptr),
                               sampptr(period->end, i, ptr), result);
       }
-
-      fd_bo_cpu_fini(rsc->bo);
    }
 
    return true;

src/gallium/drivers/freedreno/freedreno_resource.c

@@ -725,8 +725,6 @@ fd_resource_transfer_unmap(struct pipe_context *pctx,
    if (trans->upload_ptr) {
       fd_bo_upload(rsc->bo, trans->upload_ptr, ptrans->box.x, ptrans->box.width);
       free(trans->upload_ptr);
-   } else if (!(ptrans->usage & PIPE_MAP_UNSYNCHRONIZED)) {
-      fd_bo_cpu_fini(rsc->bo);
    }
 
    util_range_add(&rsc->b.b, &rsc->valid_buffer_range, ptrans->box.x,