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drm: revert "expand replace_fence to support timeline point v2"

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This reverts commit 9a09a42369a4a37a959c051d8e1a1f948c1529a4.

The whole interface isn't thought through. Since this function can't
fail we actually can't allocate an object to store the sync point.

Sorry, I should have taken the lead on this from the very beginning and
reviewed it more thoughtfully. Going to propose a new interface as a
follow up change.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Link: https://patchwork.freedesktop.org/patch/265580/
This commit is contained in:
Christian König 2018-11-14 14:24:27 +01:00
parent 5ff75c489c
commit 0b258ed1a2
6 changed files with 11 additions and 14 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
View File

@ -1193,7 +1193,7 @@ static void amdgpu_cs_post_dependencies(struct amdgpu_cs_parser *p)
int i;
for (i = 0; i < p->num_post_dep_syncobjs; ++i)
drm_syncobj_replace_fence(p->post_dep_syncobjs[i], 0, p->fence);
drm_syncobj_replace_fence(p->post_dep_syncobjs[i], p->fence);
}
static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,

14
drivers/gpu/drm/drm_syncobj.c
View File

@ -140,13 +140,11 @@ void drm_syncobj_remove_callback(struct drm_syncobj *syncobj,
/**
* drm_syncobj_replace_fence - replace fence in a sync object.
* @syncobj: Sync object to replace fence in
* @point: timeline point
* @fence: fence to install in sync file.
*
* This replaces the fence on a sync object, or a timeline point fence.
* This replaces the fence on a sync object.
*/
void drm_syncobj_replace_fence(struct drm_syncobj *syncobj,
u64 point,
struct dma_fence *fence)
{
struct dma_fence *old_fence;
@ -184,7 +182,7 @@ static void drm_syncobj_assign_null_handle(struct drm_syncobj *syncobj)
{
struct dma_fence *fence = dma_fence_get_stub();
drm_syncobj_replace_fence(syncobj, 0, fence);
drm_syncobj_replace_fence(syncobj, fence);
dma_fence_put(fence);
}
@ -233,7 +231,7 @@ void drm_syncobj_free(struct kref *kref)
struct drm_syncobj *syncobj = container_of(kref,
struct drm_syncobj,
refcount);
drm_syncobj_replace_fence(syncobj, 0, NULL);
drm_syncobj_replace_fence(syncobj, NULL);
kfree(syncobj);
}
EXPORT_SYMBOL(drm_syncobj_free);
@ -267,7 +265,7 @@ int drm_syncobj_create(struct drm_syncobj **out_syncobj, uint32_t flags,
drm_syncobj_assign_null_handle(syncobj);
if (fence)
drm_syncobj_replace_fence(syncobj, 0, fence);
drm_syncobj_replace_fence(syncobj, fence);
*out_syncobj = syncobj;
return 0;
@ -452,7 +450,7 @@ static int drm_syncobj_import_sync_file_fence(struct drm_file *file_private,
return -ENOENT;
}
drm_syncobj_replace_fence(syncobj, 0, fence);
drm_syncobj_replace_fence(syncobj, fence);
dma_fence_put(fence);
drm_syncobj_put(syncobj);
return 0;
@ -923,7 +921,7 @@ drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
return ret;
for (i = 0; i < args->count_handles; i++)
drm_syncobj_replace_fence(syncobjs[i], 0, NULL);
drm_syncobj_replace_fence(syncobjs[i], NULL);
drm_syncobj_array_free(syncobjs, args->count_handles);

2
drivers/gpu/drm/i915/i915_gem_execbuffer.c
View File

@ -2191,7 +2191,7 @@ signal_fence_array(struct i915_execbuffer *eb,
if (!(flags & I915_EXEC_FENCE_SIGNAL))
continue;
drm_syncobj_replace_fence(syncobj, 0, fence);
drm_syncobj_replace_fence(syncobj, fence);
}
}

3
drivers/gpu/drm/v3d/v3d_gem.c
View File

@ -609,8 +609,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
/* Update the return sync object for the */
sync_out = drm_syncobj_find(file_priv, args->out_sync);
if (sync_out) {
drm_syncobj_replace_fence(sync_out, 0,
exec->render_done_fence);
drm_syncobj_replace_fence(sync_out, exec->render_done_fence);
drm_syncobj_put(sync_out);
}

2
drivers/gpu/drm/vc4/vc4_gem.c
View File

@ -681,7 +681,7 @@ vc4_queue_submit(struct drm_device *dev, struct vc4_exec_info *exec,
exec->fence = &fence->base;
if (out_sync)
drm_syncobj_replace_fence(out_sync, 0, exec->fence);
drm_syncobj_replace_fence(out_sync, exec->fence);
vc4_update_bo_seqnos(exec, seqno);

2
include/drm/drm_syncobj.h
View File

@ -131,7 +131,7 @@ drm_syncobj_fence_get(struct drm_syncobj *syncobj)
struct drm_syncobj *drm_syncobj_find(struct drm_file *file_private,
u32 handle);
void drm_syncobj_replace_fence(struct drm_syncobj *syncobj, u64 point,
void drm_syncobj_replace_fence(struct drm_syncobj *syncobj,
struct dma_fence *fence);
int drm_syncobj_find_fence(struct drm_file *file_private,
u32 handle, u64 point, u64 flags,