Files
linux-nv-oot/drivers/gpu/drm/tegra/uapi.h
Mikko Perttunen 92ed8780d2 drm/tegra: Add new syncpoint increment IOCTL
Add new syncpoint increment IOCTL in line with the new channel/
syncpoint IOCTLs, that only allows incrementing owned syncpoints.

Change-Id: Ieed11e1ba840da31ecfe7029051bfa61b88cd2b5
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3284407
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Santosh BS <santoshb@nvidia.com>
2025-07-24 10:19:14 +00:00

63 lines
1.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2020-2025 NVIDIA Corporation */
#ifndef _TEGRA_DRM_UAPI_H
#define _TEGRA_DRM_UAPI_H
#include <linux/dma-mapping.h>
#include <linux/idr.h>
#include <linux/kref.h>
#include <linux/xarray.h>
#include <drm/drm.h>
struct drm_file;
struct drm_device;
struct tegra_drm_file {
/* Legacy UAPI state */
struct idr legacy_contexts;
struct mutex lock;
/* New UAPI state */
struct xarray contexts;
struct xarray syncpoints;
};
struct tegra_drm_mapping {
struct kref ref;
struct host1x_bo_mapping *bo_map;
struct host1x_context_mapping *ctx_map;
struct host1x_bo *bo;
dma_addr_t iova;
dma_addr_t iova_end;
};
int tegra_drm_ioctl_channel_open(struct drm_device *drm, void *data,
struct drm_file *file);
int tegra_drm_ioctl_channel_close(struct drm_device *drm, void *data,
struct drm_file *file);
int tegra_drm_ioctl_channel_map(struct drm_device *drm, void *data,
struct drm_file *file);
int tegra_drm_ioctl_channel_unmap(struct drm_device *drm, void *data,
struct drm_file *file);
int tegra_drm_ioctl_channel_submit(struct drm_device *drm, void *data,
struct drm_file *file);
int tegra_drm_ioctl_syncpoint_allocate(struct drm_device *drm, void *data,
struct drm_file *file);
int tegra_drm_ioctl_syncpoint_free(struct drm_device *drm, void *data,
struct drm_file *file);
int tegra_drm_ioctl_syncpoint_wait(struct drm_device *drm, void *data,
struct drm_file *file);
int tegra_drm_ioctl_syncpoint_increment(struct drm_device *drm, void *data,
struct drm_file *file);
int tegra_drm_ioctl_syncpoint_export_memory(struct drm_device *drm, void *data,
struct drm_file *file);
void tegra_drm_uapi_close_file(struct tegra_drm_file *file);
void tegra_drm_mapping_put(struct tegra_drm_mapping *mapping);
#endif