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| author | Inki Dae <inki.dae@samsung.com> | 2012-05-04 15:51:17 +0900 |
|---|---|---|
| committer | Inki Dae <inki.dae@samsung.com> | 2012-05-08 18:46:32 +0900 |
| commit | 40cd7e0c02f37af4b44fc00531873832e45587e9 (patch) | |
| tree | d941353be010a62e1a2154a54b5b11a73c4ca6a3 /include/drm | |
| parent | b2df26c10b16afe2eed904f2b85a4d2047531d30 (diff) | |
| download | linux-40cd7e0c02f37af4b44fc00531873832e45587e9.tar.gz linux-40cd7e0c02f37af4b44fc00531873832e45587e9.tar.xz | |
drm/exynos: added a feature to get gem buffer information.
this patch adds a feature to get a gem buffer information and user application
can get the gem buffer information simply in runtime through gem handle.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/exynos_drm.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/drm/exynos_drm.h b/include/drm/exynos_drm.h index 2d6eb06637bf..70c0f7e7db82 100644 --- a/include/drm/exynos_drm.h +++ b/include/drm/exynos_drm.h @@ -75,6 +75,21 @@ struct drm_exynos_gem_mmap { }; /** + * A structure to gem information. + * + * @handle: a handle to gem object created. + * @flags: flag value including memory type and cache attribute and + * this value would be set by driver. + * @size: size to memory region allocated by gem and this size would + * be set by driver. + */ +struct drm_exynos_gem_info { + unsigned int handle; + unsigned int flags; + uint64_t size; +}; + +/** * A structure for user connection request of virtual display. * * @connection: indicate whether doing connetion or not by user. @@ -113,6 +128,7 @@ enum e_drm_exynos_gem_mem_type { #define DRM_EXYNOS_GEM_MAP_OFFSET 0x01 #define DRM_EXYNOS_GEM_MMAP 0x02 /* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */ +#define DRM_EXYNOS_GEM_GET 0x04 #define DRM_EXYNOS_PLANE_SET_ZPOS 0x06 #define DRM_EXYNOS_VIDI_CONNECTION 0x07 @@ -125,6 +141,9 @@ enum e_drm_exynos_gem_mem_type { #define DRM_IOCTL_EXYNOS_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + \ DRM_EXYNOS_GEM_MMAP, struct drm_exynos_gem_mmap) +#define DRM_IOCTL_EXYNOS_GEM_GET DRM_IOWR(DRM_COMMAND_BASE + \ + DRM_EXYNOS_GEM_GET, struct drm_exynos_gem_info) + #define DRM_IOCTL_EXYNOS_PLANE_SET_ZPOS DRM_IOWR(DRM_COMMAND_BASE + \ DRM_EXYNOS_PLANE_SET_ZPOS, struct drm_exynos_plane_set_zpos) |