diff options
Diffstat (limited to 'drivers/gpu/drm/panel/panel-samsung-atna33xc20.c')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-samsung-atna33xc20.c | 47 |
1 files changed, 6 insertions, 41 deletions
diff --git a/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c b/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c index a9f0d214a900..20ec27d2d6c2 100644 --- a/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c +++ b/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c @@ -25,8 +25,6 @@ struct atana33xc20_panel { struct drm_panel base; - bool prepared; - bool enabled; bool el3_was_on; bool no_hpd; @@ -143,13 +141,8 @@ static int atana33xc20_disable(struct drm_panel *panel) { struct atana33xc20_panel *p = to_atana33xc20(panel); - /* Disabling when already disabled is a no-op */ - if (!p->enabled) - return 0; - gpiod_set_value_cansleep(p->el_on3_gpio, 0); p->el_on3_off_time = ktime_get_boottime(); - p->enabled = false; /* * Keep track of the fact that EL_ON3 was on but we haven't power @@ -173,10 +166,6 @@ static int atana33xc20_enable(struct drm_panel *panel) { struct atana33xc20_panel *p = to_atana33xc20(panel); - /* Enabling when already enabled is a no-op */ - if (p->enabled) - return 0; - /* * Once EL_ON3 drops we absolutely need a power cycle before the next * enable or the backlight will never come on again. The code ensures @@ -195,20 +184,14 @@ static int atana33xc20_enable(struct drm_panel *panel) atana33xc20_wait(p->powered_on_time, 400); gpiod_set_value_cansleep(p->el_on3_gpio, 1); - p->enabled = true; return 0; } static int atana33xc20_unprepare(struct drm_panel *panel) { - struct atana33xc20_panel *p = to_atana33xc20(panel); int ret; - /* Unpreparing when already unprepared is a no-op */ - if (!p->prepared) - return 0; - /* * Purposely do a put_sync, don't use autosuspend. The panel's tcon * seems to sometimes crash when you stop giving it data and this is @@ -220,26 +203,19 @@ static int atana33xc20_unprepare(struct drm_panel *panel) ret = pm_runtime_put_sync_suspend(panel->dev); if (ret < 0) return ret; - p->prepared = false; return 0; } static int atana33xc20_prepare(struct drm_panel *panel) { - struct atana33xc20_panel *p = to_atana33xc20(panel); int ret; - /* Preparing when already prepared is a no-op */ - if (p->prepared) - return 0; - ret = pm_runtime_get_sync(panel->dev); if (ret < 0) { pm_runtime_put_autosuspend(panel->dev); return ret; } - p->prepared = true; return 0; } @@ -290,9 +266,12 @@ static int atana33xc20_probe(struct dp_aux_ep_device *aux_ep) struct device *dev = &aux_ep->dev; int ret; - panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL); - if (!panel) - return -ENOMEM; + panel = devm_drm_panel_alloc(dev, struct atana33xc20_panel, base, + &atana33xc20_funcs, + DRM_MODE_CONNECTOR_eDP); + if (IS_ERR(panel)) + return PTR_ERR(panel); + dev_set_drvdata(dev, panel); panel->aux = aux_ep->aux; @@ -325,8 +304,6 @@ static int atana33xc20_probe(struct dp_aux_ep_device *aux_ep) if (ret) return ret; - drm_panel_init(&panel->base, dev, &atana33xc20_funcs, DRM_MODE_CONNECTOR_eDP); - pm_runtime_get_sync(dev); ret = drm_panel_dp_aux_backlight(&panel->base, aux_ep->aux); pm_runtime_mark_last_busy(dev); @@ -351,21 +328,10 @@ static void atana33xc20_remove(struct dp_aux_ep_device *aux_ep) struct atana33xc20_panel *panel = dev_get_drvdata(dev); drm_panel_remove(&panel->base); - drm_panel_disable(&panel->base); - drm_panel_unprepare(&panel->base); drm_edid_free(panel->drm_edid); } -static void atana33xc20_shutdown(struct dp_aux_ep_device *aux_ep) -{ - struct device *dev = &aux_ep->dev; - struct atana33xc20_panel *panel = dev_get_drvdata(dev); - - drm_panel_disable(&panel->base); - drm_panel_unprepare(&panel->base); -} - static const struct of_device_id atana33xc20_dt_match[] = { { .compatible = "samsung,atna33xc20", }, { /* sentinal */ } @@ -386,7 +352,6 @@ static struct dp_aux_ep_driver atana33xc20_driver = { }, .probe = atana33xc20_probe, .remove = atana33xc20_remove, - .shutdown = atana33xc20_shutdown, }; static int __init atana33xc20_init(void) |