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   1 From 8c0ff2bf4875136ae1810adf9bfce0d9e42fc9e9 Mon Sep 17 00:00:00 2001
   2 From: Chunming Zhou <david1.zhou@amd.com>
   3 Date: Thu, 30 Aug 2018 14:48:29 +0800
   4 Subject: [PATCH 558/782] drm: expand drm_syncobj_find_fence to support
   5  timeline point v2
   6 MIME-Version: 1.0
   7 Content-Type: text/plain; charset=UTF-8
   8 Content-Transfer-Encoding: 8bit
   9
  10 we can fetch timeline point fence after expanded.
  11 v2: The parameter fence is the result of the function and should come last.
  12
  13 Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
  14 Reviewed-by: Christian König <christian.koenig@amd.com>
  15 Signed-off-by: Christian König <christian.koenig@amd.com>
  16 Link: https://patchwork.freedesktop.org/patch/246541/
  17 (cherry picked from commit 0a6730ea27b68c7ac4171c29a816c29d26a9637a)
  18 Signed-off-by: Eric Anholt <eric@anholt.net>
  19 ---
  20  drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 +-
  21  drivers/gpu/drm/drm_syncobj.c          | 5 +++--
  22  drivers/gpu/drm/v3d/v3d_gem.c          | 4 ++--
  23  drivers/gpu/drm/vc4/vc4_gem.c          | 2 +-
  24  include/drm/drm_syncobj.h              | 2 +-
  25  5 files changed, 8 insertions(+), 7 deletions(-)
  26
  27 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
  28 +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
  29 @@ -1105,7 +1105,7 @@ static int amdgpu_syncobj_lookup_and_add
  30  {
  31         int r;
  32         struct dma_fence *fence;
  33 -       r = drm_syncobj_find_fence(p->filp, handle, &fence);
  34 +       r = drm_syncobj_find_fence(p->filp, handle, 0, &fence);
  35         if (r)
  36                 return r;
  37
  38 --- a/drivers/gpu/drm/drm_syncobj.c
  39 +++ b/drivers/gpu/drm/drm_syncobj.c
  40 @@ -235,6 +235,7 @@ static int drm_syncobj_assign_null_handl
  41   * drm_syncobj_find_fence - lookup and reference the fence in a sync object
  42   * @file_private: drm file private pointer
  43   * @handle: sync object handle to lookup.
  44 + * @point: timeline point
  45   * @fence: out parameter for the fence
  46   *
  47   * This is just a convenience function that combines drm_syncobj_find() and
  48 @@ -245,7 +246,7 @@ static int drm_syncobj_assign_null_handl
  49   * dma_fence_put().
  50   */
  51  int drm_syncobj_find_fence(struct drm_file *file_private,
  52 -                          u32 handle,
  53 +                          u32 handle, u64 point,
  54                            struct dma_fence **fence)
  55  {
  56         struct drm_syncobj *syncobj = drm_syncobj_find(file_private, handle);
  57 @@ -516,7 +517,7 @@ static int drm_syncobj_export_sync_file(
  58         if (fd < 0)
  59                 return fd;
  60
  61 -       ret = drm_syncobj_find_fence(file_private, handle, &fence);
  62 +       ret = drm_syncobj_find_fence(file_private, handle, 0, &fence);
  63         if (ret)
  64                 goto err_put_fd;
  65
  66 --- a/drivers/gpu/drm/v3d/v3d_gem.c
  67 +++ b/drivers/gpu/drm/v3d/v3d_gem.c
  68 @@ -521,12 +521,12 @@ v3d_submit_cl_ioctl(struct drm_device *d
  69         kref_init(&exec->refcount);
  70
  71         ret = drm_syncobj_find_fence(file_priv, args->in_sync_bcl,
  72 -                                    &exec->bin.in_fence);
  73 +                                    0, &exec->bin.in_fence);
  74         if (ret == -EINVAL)
  75                 goto fail;
  76
  77         ret = drm_syncobj_find_fence(file_priv, args->in_sync_rcl,
  78 -                                    &exec->render.in_fence);
  79 +                                    0, &exec->render.in_fence);
  80         if (ret == -EINVAL)
  81                 goto fail;
  82
  83 --- a/drivers/gpu/drm/vc4/vc4_gem.c
  84 +++ b/drivers/gpu/drm/vc4/vc4_gem.c
  85 @@ -1173,7 +1173,7 @@ vc4_submit_cl_ioctl(struct drm_device *d
  86
  87         if (args->in_sync) {
  88                 ret = drm_syncobj_find_fence(file_priv, args->in_sync,
  89 -                                            &in_fence);
  90 +                                            0, &in_fence);
  91                 if (ret)
  92                         goto fail;
  93
  94 --- a/include/drm/drm_syncobj.h
  95 +++ b/include/drm/drm_syncobj.h
  96 @@ -139,7 +139,7 @@ void drm_syncobj_remove_callback(struct
  97  void drm_syncobj_replace_fence(struct drm_syncobj *syncobj,
  98                                struct dma_fence *fence);
  99  int drm_syncobj_find_fence(struct drm_file *file_private,
 100 -                          u32 handle,
 101 +                          u32 handle, u64 point,
 102                            struct dma_fence **fence);
 103  void drm_syncobj_free(struct kref *kref);
 104  int drm_syncobj_create(struct drm_syncobj **out_syncobj, uint32_t flags,