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drm/syncobj: add new drm_syncobj_add_point interface v4

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Use the dma_fence_chain object to create a timeline of fence objects
instead of just replacing the existing fence.

v2: rebase and cleanup
v3: fix garbage collection parameters
v4: add unorder point check, print a warn calltrace

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Link: https://patchwork.freedesktop.org/patch/295780/?series=58813&rev=1
This commit is contained in:
Christian König
2019-04-01 17:50:56 +08:00
committed by Christian König
parent 7bf60c52e0
commit 44f8a1396e
2 changed files with 45 additions and 0 deletions
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5
include/drm/drm_syncobj.h
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@@ -27,6 +27,7 @@
#define __DRM_SYNCOBJ_H__
#include <linux/dma-fence.h>
#include <linux/dma-fence-chain.h>
struct drm_file;
@@ -112,6 +113,10 @@ drm_syncobj_fence_get(struct drm_syncobj *syncobj)
struct drm_syncobj *drm_syncobj_find(struct drm_file *file_private,
u32 handle);
void drm_syncobj_add_point(struct drm_syncobj *syncobj,
struct dma_fence_chain *chain,
struct dma_fence *fence,
uint64_t point);
void drm_syncobj_replace_fence(struct drm_syncobj *syncobj,
struct dma_fence *fence);
int drm_syncobj_find_fence(struct drm_file *file_private,