diff options
author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2019-06-21 08:08:10 +0100 |
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committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2019-06-21 13:48:53 +0100 |
commit | f0c02c1b91888ccac539388eacb0659bf263a557 (patch) | |
tree | 07e2b4f8e8e2755d77aaca0b58ebc9cb228cc910 /drivers/gpu/drm/i915/gt/intel_timeline_types.h | |
parent | 4c6d51ea2a68699d0d47c2361f691cf9265371b6 (diff) |
drm/i915: Rename i915_timeline to intel_timeline and move under gt
Move all timeline code under gt and rename to intel_gt prefix.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-32-tvrtko.ursulin@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_timeline_types.h')
-rw-r--r-- | drivers/gpu/drm/i915/gt/intel_timeline_types.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_timeline_types.h b/drivers/gpu/drm/i915/gt/intel_timeline_types.h new file mode 100644 index 000000000000..9a71aea7a338 --- /dev/null +++ b/drivers/gpu/drm/i915/gt/intel_timeline_types.h @@ -0,0 +1,67 @@ +/* + * SPDX-License-Identifier: MIT + * + * Copyright © 2016 Intel Corporation + */ + +#ifndef __I915_TIMELINE_TYPES_H__ +#define __I915_TIMELINE_TYPES_H__ + +#include <linux/list.h> +#include <linux/kref.h> +#include <linux/mutex.h> +#include <linux/types.h> + +#include "i915_active_types.h" + +struct drm_i915_private; +struct i915_vma; +struct intel_timeline_cacheline; +struct i915_syncmap; + +struct intel_timeline { + u64 fence_context; + u32 seqno; + + struct mutex mutex; /* protects the flow of requests */ + + unsigned int pin_count; + const u32 *hwsp_seqno; + struct i915_vma *hwsp_ggtt; + u32 hwsp_offset; + + struct intel_timeline_cacheline *hwsp_cacheline; + + bool has_initial_breadcrumb; + + /** + * List of breadcrumbs associated with GPU requests currently + * outstanding. + */ + struct list_head requests; + + /* Contains an RCU guarded pointer to the last request. No reference is + * held to the request, users must carefully acquire a reference to + * the request using i915_active_request_get_request_rcu(), or hold the + * struct_mutex. + */ + struct i915_active_request last_request; + + /** + * We track the most recent seqno that we wait on in every context so + * that we only have to emit a new await and dependency on a more + * recent sync point. As the contexts may be executed out-of-order, we + * have to track each individually and can not rely on an absolute + * global_seqno. When we know that all tracked fences are completed + * (i.e. when the driver is idle), we know that the syncmap is + * redundant and we can discard it without loss of generality. + */ + struct i915_syncmap *sync; + + struct list_head link; + struct intel_gt *gt; + + struct kref kref; +}; + +#endif /* __I915_TIMELINE_TYPES_H__ */ |