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| author | Tapani Pälli <tapani.palli@intel.com> | 2013-01-21 14:58:33 +0200 |
|---|---|---|
| committer | Tapani Pälli <tapani.palli@intel.com> | 2013-01-21 14:59:04 +0200 |
| commit | 73e275e7be13df5c74e26510dcb9d9c0cc24981e (patch) | |
| tree | 99774bfc9dfec1f413b319d0c98220680780bb89 /gralloc_drm_kms.c | |
| parent | a8f0334ef5706875f2c73a2690a2f1fc3e5fee27 (diff) | |
| download | external_drm_gralloc-73e275e7be13df5c74e26510dcb9d9c0cc24981e.zip external_drm_gralloc-73e275e7be13df5c74e26510dcb9d9c0cc24981e.tar.gz external_drm_gralloc-73e275e7be13df5c74e26510dcb9d9c0cc24981e.tar.bz2 | |
gralloc: set supported planes for buffers on allocation
This is done so that we should not have to do it dynamically during
composition. This information will be used later with hwcomposer module
when using planes for composition.
Change-Id: I2b6716fe9a8da81050645900c6c0955385946991
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Diffstat (limited to 'gralloc_drm_kms.c')
| -rw-r--r-- | gralloc_drm_kms.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gralloc_drm_kms.c b/gralloc_drm_kms.c index a921e6c..91e7e63 100644 --- a/gralloc_drm_kms.c +++ b/gralloc_drm_kms.c @@ -87,6 +87,29 @@ static int resolve_drm_format(struct gralloc_drm_bo_t *bo, } /* + * Returns planes that are supported for a particular format + */ +unsigned int planes_for_format(struct gralloc_drm_t *drm, + int hal_format) +{ + unsigned int i, j, mask = 0; + unsigned int drm_format = drm_format_from_hal(hal_format); + struct gralloc_drm_plane_t *plane = drm->planes; + + /* no planes available */ + if (!plane) + return 0; + + /* iterate through planes, mark those that match format */ + for (i=0; i<drm->plane_resources->count_planes; i++, plane++) + for (j=0; j<plane->drm_plane->count_formats; j++) + if (plane->drm_plane->formats[j] == drm_format) + mask |= (2 << plane->drm_plane->plane_id); + + return mask; +} + +/* * Add a fb object for a bo. */ int gralloc_drm_bo_add_fb(struct gralloc_drm_bo_t *bo) |