geemili
/
drm
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

tegra: Implement drm_tegra_bo_{get,set}_flags() 

These two functions are simple wrappers around the corresponding IOCTLs
and operate on drm_tegra_bo objects.

Signed-off-by: Thierry Reding <treding@nvidia.com>
main
Thierry Reding 2014-11-27 15:31:34 +01:00
parent 7b5e652689
commit d3ad65db42
2 changed files with 49 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
tegra/tegra.c
View File

@ -246,3 +246,49 @@ int drm_tegra_bo_unmap(struct drm_tegra_bo *bo)
return 0; return 0;
} }
drm_public
int drm_tegra_bo_get_flags(struct drm_tegra_bo *bo, uint32_t *flags)
{
struct drm_tegra_gem_get_flags args;
struct drm_tegra *drm = bo->drm;
int err;
if (!bo)
return -EINVAL;
memset(&args, 0, sizeof(args));
args.handle = bo->handle;
err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_GET_FLAGS, &args,
sizeof(args));
if (err < 0)
return -errno;
if (flags)
*flags = args.flags;
return 0;
}
drm_public
int drm_tegra_bo_set_flags(struct drm_tegra_bo *bo, uint32_t flags)
{
struct drm_tegra_gem_get_flags args;
struct drm_tegra *drm = bo->drm;
int err;
if (!bo)
return -EINVAL;
memset(&args, 0, sizeof(args));
args.handle = bo->handle;
args.flags = flags;
err = drmCommandWriteRead(drm->fd, DRM_TEGRA_GEM_SET_FLAGS, &args,
sizeof(args));
if (err < 0)
return -errno;
return 0;
}

3
tegra/tegra.h
View File

@ -44,4 +44,7 @@ int drm_tegra_bo_get_handle(struct drm_tegra_bo *bo, uint32_t *handle);
int drm_tegra_bo_map(struct drm_tegra_bo *bo, void **ptr); int drm_tegra_bo_map(struct drm_tegra_bo *bo, void **ptr);
int drm_tegra_bo_unmap(struct drm_tegra_bo *bo); int drm_tegra_bo_unmap(struct drm_tegra_bo *bo);
int drm_tegra_bo_get_flags(struct drm_tegra_bo *bo, uint32_t *flags);
int drm_tegra_bo_set_flags(struct drm_tegra_bo *bo, uint32_t flags);
#endif /* __DRM_TEGRA_H__ */ #endif /* __DRM_TEGRA_H__ */