diff options
Diffstat (limited to 'drivers/gpu/drm/panel/panel-samsung-atna33xc20.c')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-samsung-atna33xc20.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c b/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c index 9c336c7156..a9f0d214a9 100644 --- a/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c +++ b/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c @@ -36,7 +36,7 @@ struct atana33xc20_panel { struct gpio_desc *el_on3_gpio; struct drm_dp_aux *aux; - struct edid *edid; + const struct drm_edid *drm_edid; ktime_t powered_off_time; ktime_t powered_on_time; @@ -253,9 +253,12 @@ static int atana33xc20_get_modes(struct drm_panel *panel, pm_runtime_get_sync(panel->dev); - if (!p->edid) - p->edid = drm_get_edid(connector, &aux_ep->aux->ddc); - num = drm_add_edid_modes(connector, p->edid); + if (!p->drm_edid) + p->drm_edid = drm_edid_read_ddc(connector, &aux_ep->aux->ddc); + + drm_edid_connector_update(connector, p->drm_edid); + + num = drm_edid_connector_add_modes(connector); pm_runtime_mark_last_busy(panel->dev); pm_runtime_put_autosuspend(panel->dev); @@ -328,9 +331,14 @@ static int atana33xc20_probe(struct dp_aux_ep_device *aux_ep) ret = drm_panel_dp_aux_backlight(&panel->base, aux_ep->aux); pm_runtime_mark_last_busy(dev); pm_runtime_put_autosuspend(dev); + + /* + * Warn if we get an error, but don't consider it fatal. Having + * a panel where we can't control the backlight is better than + * no panel. + */ if (ret) - return dev_err_probe(dev, ret, - "failed to register dp aux backlight\n"); + dev_warn(dev, "failed to register dp aux backlight: %d\n", ret); drm_panel_add(&panel->base); @@ -346,7 +354,7 @@ static void atana33xc20_remove(struct dp_aux_ep_device *aux_ep) drm_panel_disable(&panel->base); drm_panel_unprepare(&panel->base); - kfree(panel->edid); + drm_edid_free(panel->drm_edid); } static void atana33xc20_shutdown(struct dp_aux_ep_device *aux_ep) |