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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/i915/display/intel_global_state.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_global_state.h')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_global_state.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_global_state.h b/drivers/gpu/drm/i915/display/intel_global_state.h new file mode 100644 index 0000000000..5477de8f0b --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_global_state.h @@ -0,0 +1,92 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2020 Intel Corporation + */ + +#ifndef __INTEL_GLOBAL_STATE_H__ +#define __INTEL_GLOBAL_STATE_H__ + +#include <linux/kref.h> +#include <linux/list.h> + +struct drm_i915_private; +struct intel_atomic_state; +struct intel_global_obj; +struct intel_global_state; + +struct intel_global_state_funcs { + struct intel_global_state *(*atomic_duplicate_state)(struct intel_global_obj *obj); + void (*atomic_destroy_state)(struct intel_global_obj *obj, + struct intel_global_state *state); +}; + +struct intel_global_obj { + struct list_head head; + struct intel_global_state *state; + const struct intel_global_state_funcs *funcs; +}; + +#define intel_for_each_global_obj(obj, dev_priv) \ + list_for_each_entry(obj, &(dev_priv)->display.global.obj_list, head) + +#define for_each_new_global_obj_in_state(__state, obj, new_obj_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->num_global_objs && \ + ((obj) = (__state)->global_objs[__i].ptr, \ + (new_obj_state) = (__state)->global_objs[__i].new_state, 1); \ + (__i)++) \ + for_each_if(obj) + +#define for_each_old_global_obj_in_state(__state, obj, new_obj_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->num_global_objs && \ + ((obj) = (__state)->global_objs[__i].ptr, \ + (new_obj_state) = (__state)->global_objs[__i].old_state, 1); \ + (__i)++) \ + for_each_if(obj) + +#define for_each_oldnew_global_obj_in_state(__state, obj, old_obj_state, new_obj_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->num_global_objs && \ + ((obj) = (__state)->global_objs[__i].ptr, \ + (old_obj_state) = (__state)->global_objs[__i].old_state, \ + (new_obj_state) = (__state)->global_objs[__i].new_state, 1); \ + (__i)++) \ + for_each_if(obj) + +struct intel_global_state { + struct intel_global_obj *obj; + struct intel_atomic_state *state; + struct kref ref; + bool changed; +}; + +struct __intel_global_objs_state { + struct intel_global_obj *ptr; + struct intel_global_state *state, *old_state, *new_state; +}; + +void intel_atomic_global_obj_init(struct drm_i915_private *dev_priv, + struct intel_global_obj *obj, + struct intel_global_state *state, + const struct intel_global_state_funcs *funcs); +void intel_atomic_global_obj_cleanup(struct drm_i915_private *dev_priv); + +struct intel_global_state * +intel_atomic_get_global_obj_state(struct intel_atomic_state *state, + struct intel_global_obj *obj); +struct intel_global_state * +intel_atomic_get_old_global_obj_state(struct intel_atomic_state *state, + struct intel_global_obj *obj); +struct intel_global_state * +intel_atomic_get_new_global_obj_state(struct intel_atomic_state *state, + struct intel_global_obj *obj); + +void intel_atomic_swap_global_state(struct intel_atomic_state *state); +void intel_atomic_clear_global_state(struct intel_atomic_state *state); +int intel_atomic_lock_global_state(struct intel_global_state *obj_state); +int intel_atomic_serialize_global_state(struct intel_global_state *obj_state); + +bool intel_atomic_global_state_is_serialized(struct intel_atomic_state *state); + +#endif |