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| author | Dave Airlie | 2014-08-26 01:05:14 +0200 |
|---|---|---|
| committer | Dave Airlie | 2014-08-26 01:05:14 +0200 |
| commit | 484048db6b4890bc433aac7f5e32fdcf1b2b4786 (patch) | |
| tree | c6be2f9cbe71d6732975c987e1c814c0298b0b65 /include/uapi/drm | |
| parent | Merge tag 'drm-intel-next-2014-08-08' of git://anongit.freedesktop.org/drm-in... (diff) | |
| parent | drm/radeon: allow userptr write access under certain conditions (diff) | |
| download | kernel-qcow2-linux-484048db6b4890bc433aac7f5e32fdcf1b2b4786.tar.gz kernel-qcow2-linux-484048db6b4890bc433aac7f5e32fdcf1b2b4786.tar.xz kernel-qcow2-linux-484048db6b4890bc433aac7f5e32fdcf1b2b4786.zip | |
Merge branch 'drm-next-3.18' of git://people.freedesktop.org/~agd5f/linux into drm-next
radeon userptr support.
* 'drm-next-3.18' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: allow userptr write access under certain conditions
drm/radeon: add userptr flag to register MMU notifier v3
drm/radeon: add userptr flag to directly validate the BO to GTT
drm/radeon: add userptr flag to limit it to anonymous memory v2
drm/radeon: add userptr support v8
Conflicts:
drivers/gpu/drm/radeon/radeon_prime.c
Diffstat (limited to 'include/uapi/drm')
| -rw-r--r-- | include/uapi/drm/radeon_drm.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/uapi/drm/radeon_drm.h b/include/uapi/drm/radeon_drm.h index fea6099608ef..375b6e656c54 100644 --- a/include/uapi/drm/radeon_drm.h +++ b/include/uapi/drm/radeon_drm.h @@ -511,6 +511,7 @@ typedef struct { #define DRM_RADEON_GEM_BUSY 0x2a #define DRM_RADEON_GEM_VA 0x2b #define DRM_RADEON_GEM_OP 0x2c +#define DRM_RADEON_GEM_USERPTR 0x2d #define DRM_IOCTL_RADEON_CP_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CP_INIT, drm_radeon_init_t) #define DRM_IOCTL_RADEON_CP_START DRM_IO( DRM_COMMAND_BASE + DRM_RADEON_CP_START) @@ -554,6 +555,7 @@ typedef struct { #define DRM_IOCTL_RADEON_GEM_BUSY DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_BUSY, struct drm_radeon_gem_busy) #define DRM_IOCTL_RADEON_GEM_VA DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_VA, struct drm_radeon_gem_va) #define DRM_IOCTL_RADEON_GEM_OP DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_OP, struct drm_radeon_gem_op) +#define DRM_IOCTL_RADEON_GEM_USERPTR DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_USERPTR, struct drm_radeon_gem_userptr) typedef struct drm_radeon_init { enum { @@ -808,6 +810,23 @@ struct drm_radeon_gem_create { uint32_t flags; }; +/* + * This is not a reliable API and you should expect it to fail for any + * number of reasons and have fallback path that do not use userptr to + * perform any operation. + */ +#define RADEON_GEM_USERPTR_READONLY (1 << 0) +#define RADEON_GEM_USERPTR_ANONONLY (1 << 1) +#define RADEON_GEM_USERPTR_VALIDATE (1 << 2) +#define RADEON_GEM_USERPTR_REGISTER (1 << 3) + +struct drm_radeon_gem_userptr { + uint64_t addr; + uint64_t size; + uint32_t flags; + uint32_t handle; +}; + #define RADEON_TILING_MACRO 0x1 #define RADEON_TILING_MICRO 0x2 #define RADEON_TILING_SWAP_16BIT 0x4 |