diff options
| author | Thierry Reding <treding@nvidia.com> | 2014-06-10 14:04:03 +0400 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2014-08-04 12:07:35 +0400 |
| commit | 7b129087874b925901def7ae507f7d9fac406211 (patch) | |
| tree | 1740140bbf2220e31a32379da8e50e51b530fb3c /drivers/gpu/drm/tegra/drm.c | |
| parent | 7678d71fb4bd6abe6ccb46afe7d90b3ed01ee936 (diff) | |
| download | linux-7b129087874b925901def7ae507f7d9fac406211.tar.xz | |
drm/tegra: Add SET/GET_FLAGS IOCTLs
The DRM_TEGRA_GEM_SET_FLAGS IOCTL can be used to set the flags of a
buffer object after it has been allocated or imported. Flags associated
with a buffer object can be queried using the DRM_TEGRA_GEM_GET_FLAGS
IOCTL.
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
Tested-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/tegra/drm.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/drm.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index a029525b598f..6e2e714a0649 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -548,6 +548,53 @@ static int tegra_gem_get_tiling(struct drm_device *drm, void *data, return err; } + +static int tegra_gem_set_flags(struct drm_device *drm, void *data, + struct drm_file *file) +{ + struct drm_tegra_gem_set_flags *args = data; + struct drm_gem_object *gem; + struct tegra_bo *bo; + + if (args->flags & ~DRM_TEGRA_GEM_FLAGS) + return -EINVAL; + + gem = drm_gem_object_lookup(drm, file, args->handle); + if (!gem) + return -ENOENT; + + bo = to_tegra_bo(gem); + bo->flags = 0; + + if (args->flags & DRM_TEGRA_GEM_BOTTOM_UP) + bo->flags |= TEGRA_BO_BOTTOM_UP; + + drm_gem_object_unreference(gem); + + return 0; +} + +static int tegra_gem_get_flags(struct drm_device *drm, void *data, + struct drm_file *file) +{ + struct drm_tegra_gem_get_flags *args = data; + struct drm_gem_object *gem; + struct tegra_bo *bo; + + gem = drm_gem_object_lookup(drm, file, args->handle); + if (!gem) + return -ENOENT; + + bo = to_tegra_bo(gem); + args->flags = 0; + + if (bo->flags & TEGRA_BO_BOTTOM_UP) + args->flags |= DRM_TEGRA_GEM_BOTTOM_UP; + + drm_gem_object_unreference(gem); + + return 0; +} #endif static const struct drm_ioctl_desc tegra_drm_ioctls[] = { @@ -564,6 +611,8 @@ static const struct drm_ioctl_desc tegra_drm_ioctls[] = { DRM_IOCTL_DEF_DRV(TEGRA_GET_SYNCPT_BASE, tegra_get_syncpt_base, DRM_UNLOCKED), DRM_IOCTL_DEF_DRV(TEGRA_GEM_SET_TILING, tegra_gem_set_tiling, DRM_UNLOCKED), DRM_IOCTL_DEF_DRV(TEGRA_GEM_GET_TILING, tegra_gem_get_tiling, DRM_UNLOCKED), + DRM_IOCTL_DEF_DRV(TEGRA_GEM_SET_FLAGS, tegra_gem_set_flags, DRM_UNLOCKED), + DRM_IOCTL_DEF_DRV(TEGRA_GEM_GET_FLAGS, tegra_gem_get_flags, DRM_UNLOCKED), #endif }; |