First Push

NVIDIA-Linux-x86_64-535.161.07-grid/kernel/nvidia-drm/nvidia-drm-priv.h

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+/*
+ * Copyright (c) 2015-2022, NVIDIA CORPORATION. All rights reserved.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS 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 __NVIDIA_DRM_PRIV_H__
+#define __NVIDIA_DRM_PRIV_H__
+
+#include "nvidia-drm-conftest.h" /* NV_DRM_AVAILABLE */
+
+#if defined(NV_DRM_AVAILABLE)
+
+#if defined(NV_DRM_DRMP_H_PRESENT)
+#include <drm/drmP.h>
+#endif
+
+#if defined(NV_DRM_DRM_DEVICE_H_PRESENT)
+#include <drm/drm_device.h>
+#endif
+
+#if defined(NV_DRM_DRM_GEM_H_PRESENT)
+#include <drm/drm_gem.h>
+#endif
+
+#include "nvidia-drm-os-interface.h"
+
+#include "nvkms-kapi.h"
+
+#define NV_DRM_LOG_ERR(__fmt, ...) \
+    DRM_ERROR("[nvidia-drm] " __fmt "\n", ##__VA_ARGS__)
+
+#define NV_DRM_LOG_INFO(__fmt, ...) \
+    DRM_INFO("[nvidia-drm] " __fmt "\n", ##__VA_ARGS__)
+
+#define NV_DRM_DEV_LOG_INFO(__dev, __fmt, ...) \
+    NV_DRM_LOG_INFO("[GPU ID 0x%08x] " __fmt, __dev->gpu_info.gpu_id, ##__VA_ARGS__)
+
+#define NV_DRM_DEV_LOG_ERR(__dev, __fmt, ...) \
+    NV_DRM_LOG_ERR("[GPU ID 0x%08x] " __fmt, __dev->gpu_info.gpu_id, ##__VA_ARGS__)
+
+#define NV_DRM_WARN(__condition) WARN_ON((__condition))
+
+#define NV_DRM_DEBUG_DRIVER(__fmt, ...) \
+    DRM_DEBUG_DRIVER("[nvidia-drm] " __fmt "\n", ##__VA_ARGS__)
+
+#define NV_DRM_DEV_DEBUG_DRIVER(__dev, __fmt, ...) \
+    DRM_DEBUG_DRIVER("[GPU ID 0x%08x] " __fmt,     \
+                     __dev->gpu_info.gpu_id, ##__VA_ARGS__)
+
+struct nv_drm_device {
+    nv_gpu_info_t gpu_info;
+
+    struct drm_device *dev;
+
+    struct NvKmsKapiDevice *pDevice;
+
+#if defined(NV_DRM_ATOMIC_MODESET_AVAILABLE)
+    /*
+     * Lock to protect drm-subsystem and fields of this structure
+     * from concurrent access.
+     *
+     * Do not hold this lock if some lock from core drm-subsystem
+     * is already held, locking order should be like this -
+     *
+     *   mutex_lock(nv_drm_device::lock);
+     *     ....
+     *     mutex_lock(drm_device::mode_config::lock);
+     *     ....
+     *     .......
+     *     mutex_unlock(drm_device::mode_config::lock);
+     *     ........
+     *     ..
+     *     mutex_lock(drm_device::struct_mutex);
+     *     ....
+     *     ........
+     *     mutex_unlock(drm_device::struct_mutex);
+     *     ..
+     *   mutex_unlock(nv_drm_device::lock);
+     */
+    struct mutex lock;
+
+    NvU32 pitchAlignment;
+
+    NvU8 genericPageKind;
+    NvU8 pageKindGeneration;
+    NvU8 sectorLayout;
+#if defined(NV_DRM_FORMAT_MODIFIERS_PRESENT)
+    NvU64 modifiers[6 /* block linear */ + 1 /* linear */ + 1 /* terminator */];
+#endif
+
+    atomic_t enable_event_handling;
+
+    /**
+     * @flip_event_wq:
+     *
+     * The wait queue on which nv_drm_atomic_commit_internal() sleeps until
+     * next flip event occurs.
+     */
+    wait_queue_head_t flip_event_wq;
+
+#endif
+
+    NvBool hasVideoMemory;
+
+    NvBool supportsSyncpts;
+
+    struct drm_property *nv_out_fence_property;
+    struct drm_property *nv_input_colorspace_property;
+
+#if defined(NV_DRM_HAS_HDR_OUTPUT_METADATA)
+    struct drm_property *nv_hdr_output_metadata_property;
+#endif
+
+    struct nv_drm_device *next;
+};
+
+static inline struct nv_drm_device *to_nv_device(
+    struct drm_device *dev)
+{
+    return dev->dev_private;
+}
+
+extern const struct NvKmsKapiFunctionsTable* const nvKms;
+
+#endif /* defined(NV_DRM_AVAILABLE) */
+
+#endif /* __NVIDIA_DRM_PRIV_H__ */