diff options
Diffstat (limited to 'drivers/gpu/drm/lima/lima_ctx.h')
| -rw-r--r-- | drivers/gpu/drm/lima/lima_ctx.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/gpu/drm/lima/lima_ctx.h b/drivers/gpu/drm/lima/lima_ctx.h new file mode 100644 index 000000000..74e2be090 --- /dev/null +++ b/drivers/gpu/drm/lima/lima_ctx.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ +/* Copyright 2018-2019 Qiang Yu <yuq825@gmail.com> */ + +#ifndef __LIMA_CTX_H__ +#define __LIMA_CTX_H__ + +#include <linux/xarray.h> +#include <linux/sched.h> + +#include "lima_device.h" + +struct lima_ctx { + struct kref refcnt; + struct lima_device *dev; + struct lima_sched_context context[lima_pipe_num]; + atomic_t guilty; + + /* debug info */ + char pname[TASK_COMM_LEN]; + pid_t pid; +}; + +struct lima_ctx_mgr { + struct mutex lock; + struct xarray handles; +}; + +int lima_ctx_create(struct lima_device *dev, struct lima_ctx_mgr *mgr, u32 *id); +int lima_ctx_free(struct lima_ctx_mgr *mgr, u32 id); +struct lima_ctx *lima_ctx_get(struct lima_ctx_mgr *mgr, u32 id); +void lima_ctx_put(struct lima_ctx *ctx); +void lima_ctx_mgr_init(struct lima_ctx_mgr *mgr); +void lima_ctx_mgr_fini(struct lima_ctx_mgr *mgr); + +#endif |