Merge tag 'drm-misc-next-2017-10-12' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

More 4.15 drm-misc stuff:

Cross-subsystem Changes:
- bridge cleanup refactor (Benjamin Gaignard)

Core Changes:
- less surprising atomic iterators (Maarten), fixes an oops introduced
  in drm-next
- better gem/fb helper docs (Noralf)
- fix dma-buf rcu races (Christian König)

Driver Changes:
- adv7511: CEC support (Hans Verkuil)
- sun4i update from Chen-Yu to improve hdmi and A31 support
- sii8620: add remote control support (Maceiej Purski)

New drivers:
- SiI9234 bridge driver (Maciej Purski)
- 7" rpi touch panel (Eric Anholt)

Note that this contains a topic pull from regmap, needed by the sun4i
changes. Mark Brown sent that out for pulling into drm-misc.

* tag 'drm-misc-next-2017-10-12' of git://anongit.freedesktop.org/drm/drm-misc: (29 commits)
  drm/dp: WARN about invalid/unknown link rates and bw codes
  drm/msm/mdp5: remove less than 0 comparison for unsigned value
  drm/bridge/sii8620: add remote control support
  drm/sun4i: hdmi: Add support for A31's HDMI controller
  drm/sun4i: hdmi: Add A31 specific DDC register definitions
  drm/sun4i: hdmi: Add support for controller hardware variants
  dt-bindings: display: sun4i: Add binding for A31 HDMI controller
  drm/sun4i: hdmi: Allow using second PLL as TMDS clk parent
  drm/sun4i: hdmi: create a regmap for later use
  drm/sun4i: hdmi: Disable clks in bind function error path and unbind function
  drm/sun4i: tcon: Add support for demuxing TCON output on A31
  drm/sun4i: tcon: Add variant callback for TCON output muxing
  drm/bridge/synopsys: dsi :remove is_panel_bridge
  drm/vc4: remove bridge from driver internal structure
  drm/stm: ltdc: remove bridge from driver internal structure
  drm/drm_of: add drm_of_panel_bridge_remove function
  drm/bridge: make drm_panel_bridge_remove more robust
  dma-fence: fix dma_fence_get_rcu_safe v2
  dma-buf: make reservation_object_copy_fences rcu save
  drm/atomic: Unref duplicated drm_atomic_state in drm_atomic_helper_resume()
  ...

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
index 08af8d6b844b..b3d68964b407 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -137,8 +137,10 @@ EXPORT_SYMBOL(drm_dp_link_train_channel_eq_delay);
 u8 drm_dp_link_rate_to_bw_code(int link_rate)
 {
 	switch (link_rate) {
-	case 162000:
 	default:
+		WARN(1, "unknown DP link rate %d, using %x\n", link_rate,
+		     DP_LINK_BW_1_62);
+	case 162000:
 		return DP_LINK_BW_1_62;
 	case 270000:
 		return DP_LINK_BW_2_7;
@@ -151,8 +153,9 @@ EXPORT_SYMBOL(drm_dp_link_rate_to_bw_code);
 int drm_dp_bw_code_to_link_rate(u8 link_bw)
 {
 	switch (link_bw) {
-	case DP_LINK_BW_1_62:
 	default:
+		WARN(1, "unknown DP link BW code %x, using 162000\n", link_bw);
+	case DP_LINK_BW_1_62:
 		return 162000;
 	case DP_LINK_BW_2_7:
 		return 270000;