diff options
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index ba1507036f26..7fcf91ecb1d9 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -2040,6 +2040,9 @@ crtc_or_fake_commit(struct drm_atomic_state *state, struct drm_crtc *crtc) * should always call this function from their * &drm_mode_config_funcs.atomic_commit hook. * + * Drivers that need to extend the commit setup to private objects can use the + * &drm_mode_config_helper_funcs.atomic_commit_setup hook. + * * To be able to use this support drivers need to use a few more helper * functions. drm_atomic_helper_wait_for_dependencies() must be called before * actually committing the hardware state, and for nonblocking commits this call @@ -2083,8 +2086,11 @@ int drm_atomic_helper_setup_commit(struct drm_atomic_state *state, struct drm_plane *plane; struct drm_plane_state *old_plane_state, *new_plane_state; struct drm_crtc_commit *commit; + const struct drm_mode_config_helper_funcs *funcs; int i, ret; + funcs = state->dev->mode_config.helper_private; + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { commit = kzalloc(sizeof(*commit), GFP_KERNEL); if (!commit) @@ -2169,6 +2175,9 @@ int drm_atomic_helper_setup_commit(struct drm_atomic_state *state, new_plane_state->commit = drm_crtc_commit_get(commit); } + if (funcs && funcs->atomic_commit_setup) + return funcs->atomic_commit_setup(state); + return 0; } EXPORT_SYMBOL(drm_atomic_helper_setup_commit); |