drivers/gpu/drm/panfrost/panfrost_job.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright 2019 Collabora ltd. */
   3
   4 #ifndef __PANFROST_JOB_H__
   5 #define __PANFROST_JOB_H__
   6
   7 #include <uapi/drm/panfrost_drm.h>
   8 #include <drm/gpu_scheduler.h>
   9
  10 struct panfrost_device;
  11 struct panfrost_gem_object;
  12 struct panfrost_file_priv;
  13
  14 struct panfrost_job {
  15         struct drm_sched_job base;
  16
  17         struct kref refcount;
  18
  19         struct panfrost_device *pfdev;
  20         struct panfrost_file_priv *file_priv;
  21
  22         /* Optional fences userspace can pass in for the job to depend on. */
  23         struct dma_fence **in_fences;
  24         u32 in_fence_count;
  25
  26         /* Fence to be signaled by IRQ handler when the job is complete. */
  27         struct dma_fence *done_fence;
  28
  29         __u64 jc;
  30         __u32 requirements;
  31         __u32 flush_id;
  32
  33         /* Exclusive fences we have taken from the BOs to wait for */
  34         struct dma_fence **implicit_fences;
  35         struct panfrost_gem_mapping **mappings;
  36         struct drm_gem_object **bos;
  37         u32 bo_count;
  38
  39         /* Fence to be signaled by drm-sched once its done with the job */
  40         struct dma_fence *render_done_fence;
  41 };
  42
  43 int panfrost_job_init(struct panfrost_device *pfdev);
  44 void panfrost_job_fini(struct panfrost_device *pfdev);
  45 int panfrost_job_open(struct panfrost_file_priv *panfrost_priv);
  46 void panfrost_job_close(struct panfrost_file_priv *panfrost_priv);
  47 int panfrost_job_push(struct panfrost_job *job);
  48 void panfrost_job_put(struct panfrost_job *job);
  49 void panfrost_job_enable_interrupts(struct panfrost_device *pfdev);
  50 int panfrost_job_is_idle(struct panfrost_device *pfdev);
  51
  52 #endif