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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
| commit | f4cdf7ca9a1fdcca413157df19753f388a5a224e (patch) | |
| tree | 60a31895b2446cd7fa27514e8c2843534a0de0da /include/drm/drm_accel.h | |
| download | linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip | |
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab:
- v4l2-core: added ISP statistics support and per-block validation
- v4l2-core: Allow unknown HDR10 white point and luminance
- New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor
- New codec: Milos: VPU v2.0 codec support
- isp driver: gained support for Dreamchip RPPX1 ISP framework
- vsp1 driver: gained support for RZ/T2H and RZ/N2H
- Novalake driver: gained CVS support for new NVL hardware
- dvb-core: fix feed leak on failed DMX_ADD_PID
- several driver fixes, cleanups and minor improvements
* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
media: ipu-bridge: check all DMI entries when overriding sensor rotation
media: v4l2-async: avoid deleting unlinked ASC entry on link error
media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
media: intel/ipu6: fix async notifier cleanup leak on parse error
media: staging/ipu7: fix async notifier UAF on probe error path
media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
media: rcar-isp: Fix VSPX reference leaks
media: rcar-isp: Release ISPCORE resources
media: i2c: imx415: Release runtime PM reference on VBLANK error
media: i2c: imx415: Return test pattern write errors
media: renesas: vsp1: Declare index variables in for loop statement
media: renesas: vsp1: Make reset control optional to support platforms without a reset line
media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
media: nxp: imx8-isi: Add additional 32-bit RGB format support
media: nxp: imx8-isi: Add 16-bit raw Bayer format support
media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
media: nxp: imx8-isi: Correct color map between V4L2 and ISI
...
Diffstat (limited to 'include/drm/drm_accel.h')
| -rw-r--r-- | include/drm/drm_accel.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/include/drm/drm_accel.h b/include/drm/drm_accel.h new file mode 100644 index 000000000..20a665ec6 --- /dev/null +++ b/include/drm/drm_accel.h @@ -0,0 +1,85 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright 2022 HabanaLabs, Ltd. + * All Rights Reserved. + * + */ + +#ifndef DRM_ACCEL_H_ +#define DRM_ACCEL_H_ + +#include <drm/drm_file.h> + +#define ACCEL_MAJOR 261 +#define ACCEL_MAX_MINORS 256 + +/** + * DRM_ACCEL_FOPS - Default drm accelerators file operations + * + * This macro provides a shorthand for setting the accelerator file ops in the + * &file_operations structure. If all you need are the default ops, use + * DEFINE_DRM_ACCEL_FOPS instead. + */ +#define DRM_ACCEL_FOPS \ + .open = accel_open,\ + .release = drm_release,\ + .unlocked_ioctl = drm_ioctl,\ + .compat_ioctl = drm_compat_ioctl,\ + .poll = drm_poll,\ + .read = drm_read,\ + .llseek = noop_llseek, \ + .mmap = drm_gem_mmap, \ + .fop_flags = FOP_UNSIGNED_OFFSET + +/** + * DEFINE_DRM_ACCEL_FOPS() - macro to generate file operations for accelerators drivers + * @name: name for the generated structure + * + * This macro autogenerates a suitable &struct file_operations for accelerators based + * drivers, which can be assigned to &drm_driver.fops. Note that this structure + * cannot be shared between drivers, because it contains a reference to the + * current module using THIS_MODULE. + * + * Note that the declaration is already marked as static - if you need a + * non-static version of this you're probably doing it wrong and will break the + * THIS_MODULE reference by accident. + */ +#define DEFINE_DRM_ACCEL_FOPS(name) \ + static const struct file_operations name = {\ + .owner = THIS_MODULE,\ + DRM_ACCEL_FOPS,\ + } + +#if IS_ENABLED(CONFIG_DRM_ACCEL) + +extern struct xarray accel_minors_xa; + +void accel_core_exit(void); +int accel_core_init(void); +void accel_set_device_instance_params(struct device *kdev, int index); +int accel_open(struct inode *inode, struct file *filp); +void accel_debugfs_register(struct drm_device *dev); + +#else + +static inline void accel_core_exit(void) +{ +} + +static inline int __init accel_core_init(void) +{ + /* Return 0 to allow drm_core_init to complete successfully */ + return 0; +} + +static inline void accel_set_device_instance_params(struct device *kdev, int index) +{ +} + +static inline void accel_debugfs_register(struct drm_device *dev) +{ +} + +#endif /* IS_ENABLED(CONFIG_DRM_ACCEL) */ + +#endif /* DRM_ACCEL_H_ */ |
