diff options
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 9e1ad493e689..191d09ee4c7f 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1186,13 +1186,32 @@ drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev, crtc->x = new_plane_state->src_x >> 16; crtc->y = new_plane_state->src_y >> 16; } + } + + drm_atomic_helper_calc_timestamping_constants(old_state); +} +EXPORT_SYMBOL(drm_atomic_helper_update_legacy_modeset_state); + +/** + * drm_atomic_helper_calc_timestamping_constants - update vblank timestamping constants + * @state: atomic state object + * + * Updates the timestamping constants used for precise vblank timestamps + * by calling drm_calc_timestamping_constants() for all enabled crtcs in @state. + */ +void drm_atomic_helper_calc_timestamping_constants(struct drm_atomic_state *state) +{ + struct drm_crtc_state *new_crtc_state; + struct drm_crtc *crtc; + int i; + for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { if (new_crtc_state->enable) drm_calc_timestamping_constants(crtc, &new_crtc_state->adjusted_mode); } } -EXPORT_SYMBOL(drm_atomic_helper_update_legacy_modeset_state); +EXPORT_SYMBOL(drm_atomic_helper_calc_timestamping_constants); static void crtc_set_mode(struct drm_device *dev, struct drm_atomic_state *old_state) |