diff options
| -rw-r--r-- | gralloc_drm_freedreno.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/gralloc_drm_freedreno.c b/gralloc_drm_freedreno.c index 15f7291..a2203fc 100644 --- a/gralloc_drm_freedreno.c +++ b/gralloc_drm_freedreno.c @@ -163,9 +163,21 @@ static int fd_map(struct gralloc_drm_drv_t *drv, int enable_write, void **addr) { struct fd_buffer *fd_buf = (struct fd_buffer *) bo; - if (*addr = fd_bo_map(fd_buf->bo)) { + uint32_t flags = DRM_FREEDRENO_PREP_READ; + + if (enable_write) + flags |= DRM_FREEDRENO_PREP_WRITE; + + /* NOTE: pipe arg is only required for kgsl backend of + * libdrm_freedreno (which only supports x11, no kms, + * so impossible to use drm_gralloc with.. so we can + * ignore pipe arg.) + */ + fd_bo_cpu_prep(fd_buf->bo, NULL, flags); + + if ((*addr = fd_bo_map(fd_buf->bo))) { return 0; - } + } return -errno; } @@ -173,7 +185,8 @@ static int fd_map(struct gralloc_drm_drv_t *drv, static void fd_unmap(struct gralloc_drm_drv_t *drv, struct gralloc_drm_bo_t *bo) { - // TODO should add fd_bo_unmap() to libdrm_freedreno someday.. + struct fd_buffer *fd_buf = (struct fd_buffer *) bo; + fd_bo_cpu_fini(fd_buf->bo); } static void fd_init_kms_features(struct gralloc_drm_drv_t *drv, |