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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/amd/amdgpu/amdgpu_ctx.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/amd/amdgpu/amdgpu_ctx.h')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.h new file mode 100644 index 0000000000..85376baaa9 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.h @@ -0,0 +1,101 @@ +/* + * Copyright 2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#ifndef __AMDGPU_CTX_H__ +#define __AMDGPU_CTX_H__ + +#include <linux/ktime.h> +#include <linux/types.h> + +#include "amdgpu_ring.h" + +struct drm_device; +struct drm_file; +struct amdgpu_fpriv; +struct amdgpu_ctx_mgr; + +#define AMDGPU_MAX_ENTITY_NUM 4 + +struct amdgpu_ctx_entity { + uint32_t hw_ip; + uint64_t sequence; + struct drm_sched_entity entity; + struct dma_fence *fences[]; +}; + +struct amdgpu_ctx { + struct kref refcount; + struct amdgpu_ctx_mgr *mgr; + unsigned reset_counter; + unsigned reset_counter_query; + uint64_t generation; + spinlock_t ring_lock; + struct amdgpu_ctx_entity *entities[AMDGPU_HW_IP_NUM][AMDGPU_MAX_ENTITY_NUM]; + bool preamble_presented; + int32_t init_priority; + int32_t override_priority; + atomic_t guilty; + unsigned long ras_counter_ce; + unsigned long ras_counter_ue; + uint32_t stable_pstate; + struct amdgpu_ctx_mgr *ctx_mgr; +}; + +struct amdgpu_ctx_mgr { + struct amdgpu_device *adev; + struct mutex lock; + /* protected by lock */ + struct idr ctx_handles; + atomic64_t time_spend[AMDGPU_HW_IP_NUM]; +}; + +extern const unsigned int amdgpu_ctx_num_entities[AMDGPU_HW_IP_NUM]; + +struct amdgpu_ctx *amdgpu_ctx_get(struct amdgpu_fpriv *fpriv, uint32_t id); +int amdgpu_ctx_put(struct amdgpu_ctx *ctx); + +int amdgpu_ctx_get_entity(struct amdgpu_ctx *ctx, u32 hw_ip, u32 instance, + u32 ring, struct drm_sched_entity **entity); +uint64_t amdgpu_ctx_add_fence(struct amdgpu_ctx *ctx, + struct drm_sched_entity *entity, + struct dma_fence *fence); +struct dma_fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx, + struct drm_sched_entity *entity, + uint64_t seq); +bool amdgpu_ctx_priority_is_valid(int32_t ctx_prio); +void amdgpu_ctx_priority_override(struct amdgpu_ctx *ctx, int32_t ctx_prio); + +int amdgpu_ctx_ioctl(struct drm_device *dev, void *data, + struct drm_file *filp); + +int amdgpu_ctx_wait_prev_fence(struct amdgpu_ctx *ctx, + struct drm_sched_entity *entity); + +void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr *mgr, + struct amdgpu_device *adev); +void amdgpu_ctx_mgr_entity_fini(struct amdgpu_ctx_mgr *mgr); +long amdgpu_ctx_mgr_entity_flush(struct amdgpu_ctx_mgr *mgr, long timeout); +void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr); +void amdgpu_ctx_mgr_usage(struct amdgpu_ctx_mgr *mgr, + ktime_t usage[AMDGPU_HW_IP_NUM]); + +#endif |