diff options
| -rw-r--r-- | gralloc_drm_kms.c | 39 | ||||
| -rw-r--r-- | gralloc_drm_priv.h | 8 |
2 files changed, 47 insertions, 0 deletions
diff --git a/gralloc_drm_kms.c b/gralloc_drm_kms.c index 4664ecb..2d9bca1 100644 --- a/gralloc_drm_kms.c +++ b/gralloc_drm_kms.c @@ -563,6 +563,32 @@ int gralloc_drm_init_kms(struct gralloc_drm_t *drm) return -EINVAL; } + drm->plane_resources = drmModeGetPlaneResources(drm->fd); + if (!drm->plane_resources) { + ALOGD("no planes found from drm resources"); + } else { + ALOGD("supported drm planes and formats"); + /* fill a helper structure for hwcomposer */ + drm->planes = calloc(drm->plane_resources->count_planes, + sizeof(struct gralloc_drm_plane_t)); + + for (i = 0; i < drm->plane_resources->count_planes; i++) { + + unsigned int j; + + drm->planes[i].drm_plane = drmModeGetPlane(drm->fd, + drm->plane_resources->planes[i]); + + ALOGD("plane id %d", drm->planes[i].drm_plane->plane_id); + for (j = 0; j < drm->planes[i].drm_plane->count_formats; j++) + ALOGD(" format %c%c%c%c", + (drm->planes[i].drm_plane->formats[j]), + (drm->planes[i].drm_plane->formats[j])>>8, + (drm->planes[i].drm_plane->formats[j])>>16, + (drm->planes[i].drm_plane->formats[j])>>24); + } + } + /* find the crtc/connector/mode to use */ for (i = 0; i < drm->resources->count_connectors; i++) { drmModeConnectorPtr connector; @@ -620,6 +646,19 @@ void gralloc_drm_fini_kms(struct gralloc_drm_t *drm) drm->resources = NULL; } + if (drm->planes) { + unsigned int i; + for (i = 0; i < drm->plane_resources->count_planes; i++) + drmModeFreePlane(drm->planes[i].drm_plane); + free(drm->planes); + drm->planes = NULL; + } + + if (drm->plane_resources) { + drmModeFreePlaneResources(drm->plane_resources); + drm->plane_resources = NULL; + } + drm_singleton = NULL; } diff --git a/gralloc_drm_priv.h b/gralloc_drm_priv.h index 33f688d..d22fea0 100644 --- a/gralloc_drm_priv.h +++ b/gralloc_drm_priv.h @@ -37,6 +37,10 @@ enum drm_swap_mode { DRM_SWAP_SETCRTC, }; +struct gralloc_drm_plane_t { + drmModePlane *drm_plane; +}; + struct gralloc_drm_t { /* initialized by gralloc_drm_create */ int fd; @@ -66,6 +70,10 @@ struct gralloc_drm_t { struct gralloc_drm_bo_t *current_front, *next_front; int waiting_flip; unsigned int last_swap; + + /* plane support */ + drmModePlaneResPtr plane_resources; + struct gralloc_drm_plane_t *planes; }; struct gralloc_drm_drv_t { |