Merge tag 'drm-misc-fixes-2017-11-30' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

drm-misc-fixes for -rc2

- big pile of bridge driver (mostly tc358767), all handled by Archit
  and Andrez
- rockchip dsi fix
- atomic helper regression fix for spurious -EBUSY (Maarten)
- fix deferred fbdev fallout (Maarten)

* tag 'drm-misc-fixes-2017-11-30' of git://anongit.freedesktop.org/drm/drm-misc:
  drm/bridge: tc358767: fix 1-lane behavior
  drm/bridge: tc358767: fix AUXDATAn registers access
  drm/bridge: tc358767: fix timing calculations
  drm/bridge: tc358767: fix DP0_MISC register set
  drm/bridge: tc358767: filter out too high modes
  drm/bridge: tc358767: do no fail on hi-res displays
  drm/bridge: Fix lvds-encoder since the panel_bridge rework.
  drm/bridge: synopsys/dw-hdmi: Enable cec clock
  drm/bridge: adv7511/33: Fix adv7511_cec_init() failure handling
  drm/fb_helper: Disable all crtc's when initial setup fails.
  drm/atomic: make drm_atomic_helper_wait_for_vblanks more agressive
  drm/rockchip: dw-mipi-dsi: fix possible un-balanced runtime PM enable

1 files changed, 22 insertions, 10 deletions

diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c b/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c
index b33d730e4d73..a20a45c0b353 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c
@@ -300,18 +300,21 @@ static int adv7511_cec_parse_dt(struct device *dev, struct adv7511 *adv7511)
 	return 0;
 }
 
-int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511,
-		     unsigned int offset)
+int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511)
 {
+	unsigned int offset = adv7511->type == ADV7533 ?
+						ADV7533_REG_CEC_OFFSET : 0;
 	int ret = adv7511_cec_parse_dt(dev, adv7511);
 
 	if (ret)
-		return ret;
+		goto err_cec_parse_dt;
 
 	adv7511->cec_adap = cec_allocate_adapter(&adv7511_cec_adap_ops,
 		adv7511, dev_name(dev), CEC_CAP_DEFAULTS, ADV7511_MAX_ADDRS);
-	if (IS_ERR(adv7511->cec_adap))
-		return PTR_ERR(adv7511->cec_adap);
+	if (IS_ERR(adv7511->cec_adap)) {
+		ret = PTR_ERR(adv7511->cec_adap);
+		goto err_cec_alloc;
+	}
 
 	regmap_write(adv7511->regmap, ADV7511_REG_CEC_CTRL + offset, 0);
 	/* cec soft reset */
@@ -329,9 +332,18 @@ int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511,
 		     ((adv7511->cec_clk_freq / 750000) - 1) << 2);
 
 	ret = cec_register_adapter(adv7511->cec_adap, dev);
-	if (ret) {
-		cec_delete_adapter(adv7511->cec_adap);
-		adv7511->cec_adap = NULL;
-	}
-	return ret;
+	if (ret)
+		goto err_cec_register;
+	return 0;
+
+err_cec_register:
+	cec_delete_adapter(adv7511->cec_adap);
+	adv7511->cec_adap = NULL;
+err_cec_alloc:
+	dev_info(dev, "Initializing CEC failed with error %d, disabling CEC\n",
+		 ret);
+err_cec_parse_dt:
+	regmap_write(adv7511->regmap, ADV7511_REG_CEC_CTRL + offset,
+		     ADV7511_CEC_CTRL_POWER_DOWN);
+	return ret == -EPROBE_DEFER ? ret : 0;
 }