diff options
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_state_helper.c')
-rw-r--r-- | drivers/gpu/drm/drm_atomic_state_helper.c | 41 |
1 files changed, 34 insertions, 7 deletions
diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c b/drivers/gpu/drm/drm_atomic_state_helper.c index 59ffb6b9c745..ec13823153a9 100644 --- a/drivers/gpu/drm/drm_atomic_state_helper.c +++ b/drivers/gpu/drm/drm_atomic_state_helper.c @@ -57,6 +57,29 @@ */ /** + * __drm_atomic_helper_crtc_reset - reset state on CRTC + * @crtc: drm CRTC + * @crtc_state: CRTC state to assign + * + * Initializes the newly allocated @crtc_state and assigns it to + * the &drm_crtc->state pointer of @crtc, usually required when + * initializing the drivers or when called from the &drm_crtc_funcs.reset + * hook. + * + * This is useful for drivers that subclass the CRTC state. + */ +void +__drm_atomic_helper_crtc_reset(struct drm_crtc *crtc, + struct drm_crtc_state *crtc_state) +{ + if (crtc_state) + crtc_state->crtc = crtc; + + crtc->state = crtc_state; +} +EXPORT_SYMBOL(__drm_atomic_helper_crtc_reset); + +/** * drm_atomic_helper_crtc_reset - default &drm_crtc_funcs.reset hook for CRTCs * @crtc: drm CRTC * @@ -65,14 +88,13 @@ */ void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc) { - if (crtc->state) - __drm_atomic_helper_crtc_destroy_state(crtc->state); - - kfree(crtc->state); - crtc->state = kzalloc(sizeof(*crtc->state), GFP_KERNEL); + struct drm_crtc_state *crtc_state = + kzalloc(sizeof(*crtc->state), GFP_KERNEL); if (crtc->state) - crtc->state->crtc = crtc; + crtc->funcs->atomic_destroy_state(crtc, crtc->state); + + __drm_atomic_helper_crtc_reset(crtc, crtc_state); } EXPORT_SYMBOL(drm_atomic_helper_crtc_reset); @@ -314,7 +336,7 @@ EXPORT_SYMBOL(drm_atomic_helper_plane_destroy_state); * @conn_state: connector state to assign * * Initializes the newly allocated @conn_state and assigns it to - * the &drm_conector->state pointer of @connector, usually required when + * the &drm_connector->state pointer of @connector, usually required when * initializing the drivers or when called from the &drm_connector_funcs.reset * hook. * @@ -369,6 +391,9 @@ __drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector, drm_connector_get(connector); state->commit = NULL; + if (state->hdr_output_metadata) + drm_property_blob_get(state->hdr_output_metadata); + /* Don't copy over a writeback job, they are used only once */ state->writeback_job = NULL; } @@ -416,6 +441,8 @@ __drm_atomic_helper_connector_destroy_state(struct drm_connector_state *state) if (state->writeback_job) drm_writeback_cleanup_job(state->writeback_job); + + drm_property_blob_put(state->hdr_output_metadata); } EXPORT_SYMBOL(__drm_atomic_helper_connector_destroy_state); |