diff options
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 9e1ad493e689..f9170b4b22e7 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1115,9 +1115,7 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state) * @old_state: atomic state object with old state structures * * This function updates all the various legacy modeset state pointers in - * connectors, encoders and CRTCs. It also updates the timestamping constants - * used for precise vblank timestamps by calling - * drm_calc_timestamping_constants(). + * connectors, encoders and CRTCs. * * Drivers can use this for building their own atomic commit if they don't have * a pure helper-based modeset implementation. @@ -1186,13 +1184,30 @@ 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; } + } +} +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) @@ -1276,6 +1291,7 @@ void drm_atomic_helper_commit_modeset_disables(struct drm_device *dev, disable_outputs(dev, old_state); drm_atomic_helper_update_legacy_modeset_state(dev, old_state); + drm_atomic_helper_calc_timestamping_constants(old_state); crtc_set_mode(dev, old_state); } |