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| author | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2021-06-17 08:30:08 +0200 |
|---|---|---|
| committer | Matthew Auld <matthew.auld@intel.com> | 2021-06-17 14:22:59 +0100 |
| commit | 5c43ec5d538a5fa1736d298e63a3f8ac03009eea (patch) | |
| tree | 0b01805eb8b062df55f1f693e020737901e7ccf3 /drivers/gpu/drm/i915/i915_gem_ww.h | |
| parent | 1c4dbe056dab0b7c2a2f42f4d393cc7b9bdb98ad (diff) | |
| download | linux-5c43ec5d538a5fa1736d298e63a3f8ac03009eea.tar.gz linux-5c43ec5d538a5fa1736d298e63a3f8ac03009eea.tar.bz2 linux-5c43ec5d538a5fa1736d298e63a3f8ac03009eea.zip | |
drm/i915: Break out dma_resv ww locking utilities to separate files
As we're about to add more ww-related functionality,
break out the dma_resv ww locking utilities to their own files
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210617063018.92802-3-thomas.hellstrom@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_ww.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_ww.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_ww.h b/drivers/gpu/drm/i915/i915_gem_ww.h new file mode 100644 index 000000000000..f2d8769e4118 --- /dev/null +++ b/drivers/gpu/drm/i915/i915_gem_ww.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2020 Intel Corporation + */ +#ifndef __I915_GEM_WW_H__ +#define __I915_GEM_WW_H__ + +#include <drm/drm_drv.h> + +struct i915_gem_ww_ctx { + struct ww_acquire_ctx ctx; + struct list_head obj_list; + struct drm_i915_gem_object *contended; + bool intr; +}; + +void i915_gem_ww_ctx_init(struct i915_gem_ww_ctx *ctx, bool intr); +void i915_gem_ww_ctx_fini(struct i915_gem_ww_ctx *ctx); +int __must_check i915_gem_ww_ctx_backoff(struct i915_gem_ww_ctx *ctx); +void i915_gem_ww_unlock_single(struct drm_i915_gem_object *obj); +#endif |