diff options
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 5e68c3c7d5cf..b82ef6262469 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -624,8 +624,22 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state) } } -static void -set_routing_links(struct drm_device *dev, struct drm_atomic_state *old_state) +/** + * drm_atomic_helper_update_legacy_modeset_state - update legacy modeset state + * @dev: DRM device + * @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(). + * + * Drivers can use this for building their own atomic commit if they don't have + * a pure helper-based modeset implementation. + */ +void +drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev, + struct drm_atomic_state *old_state) { struct drm_connector *connector; struct drm_connector_state *old_conn_state; @@ -662,8 +676,13 @@ set_routing_links(struct drm_device *dev, struct drm_atomic_state *old_state) crtc->enabled = crtc->state->enable; crtc->x = crtc->primary->state->src_x >> 16; crtc->y = crtc->primary->state->src_y >> 16; + + if (crtc->state->enable) + drm_calc_timestamping_constants(crtc, + &crtc->state->adjusted_mode); } } +EXPORT_SYMBOL(drm_atomic_helper_update_legacy_modeset_state); static void crtc_set_mode(struct drm_device *dev, struct drm_atomic_state *old_state) @@ -742,7 +761,9 @@ void drm_atomic_helper_commit_modeset_disables(struct drm_device *dev, struct drm_atomic_state *old_state) { disable_outputs(dev, old_state); - set_routing_links(dev, old_state); + + drm_atomic_helper_update_legacy_modeset_state(dev, old_state); + crtc_set_mode(dev, old_state); } EXPORT_SYMBOL(drm_atomic_helper_commit_modeset_disables); @@ -1135,8 +1156,6 @@ void drm_atomic_helper_commit_planes(struct drm_device *dev, if (!funcs) continue; - old_plane_state = old_state->plane_states[i]; - /* * Special-case disabling the plane if drivers support it. */ |
