[PATCH 1/2] drm/bridge: sn65dsi86: Move panel_prepare() to pre_enable()

[Sean Paul]

prepare() is the old-timey way to say pre_enable(). It should be called
before modeset. This fixes an issue where the panel on cheza must have
the regulator always-on/boot-on for it to work.

Cc: Sandeep Panda <spanda at codeaurora.org>
Cc: Stephen Boyd <swboyd at chromium.org>
Signed-off-by: Sean Paul <seanpaul at chromium.org>
---
 drivers/gpu/drm/bridge/ti-sn65dsi86.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index 1b6e8b72be58..36577cae0a20 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -448,8 +448,6 @@ static void ti_sn_bridge_enable(struct drm_bridge *bridge)
 	struct ti_sn_bridge *pdata = bridge_to_ti_sn_bridge(bridge);
 	unsigned int val;
 
-	drm_panel_prepare(pdata->panel);
-
 	/* DSI_A lane config */
 	val = (4 - pdata->dsi->lanes) << SN_DSIA_LANE_OFFSET;
 	regmap_update_bits(pdata->regmap, SN_DSI_LANES_REG,
@@ -507,6 +505,8 @@ static void ti_sn_bridge_pre_enable(struct drm_bridge *bridge)
 	/* in case drm_panel is connected then HPD is not supported */
 	regmap_update_bits(pdata->regmap, SN_HPD_DISABLE_REG,
 			   SN_HPD_DISABLE_BIT, SN_HPD_DISABLE_BIT);
+
+	drm_panel_prepare(pdata->panel);
 }
 
 static void ti_sn_bridge_post_disable(struct drm_bridge *bridge)
-- 
Sean Paul, Software Engineer, Google / Chromium OS