On 2018-08-14 03:00, Sean Paul wrote:
From: Sean Paul <seanpaul@xxxxxxxxxxxx>
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.
Changes in v3:
- Added to the set
Cc: Sandeep Panda <spanda@xxxxxxxxxxxxxx>
Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
---
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 501f4a81ea5ab..d2119ab546147 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -457,8 +457,6 @@ 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 = CHA_DSI_LANES(4 - pdata->dsi->lanes);
regmap_update_bits(pdata->regmap, SN_DSI_LANES_REG,
@@ -511,6 +509,8 @@ 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, HPD_DISABLE,
HPD_DISABLE);
+
+ drm_panel_prepare(pdata->panel);
}
static void ti_sn_bridge_post_disable(struct drm_bridge *bridge)
Reviewed-by: Sandeep Panda <spanda@xxxxxxxxxxxxxx>
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