[PATCH 17/20] drm/bridge: tc358775: move bridge power up/down into functions

[Michael Walle]

Move the bridge power-up and power-down handling into own functions.
This is a preparation patch to fix the power-up sequencing of the
bridge. No functional change.

Signed-off-by: Michael Walle <mwa...@kernel.org>
---
 drivers/gpu/drm/bridge/tc358775.c | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/bridge/tc358775.c 
b/drivers/gpu/drm/bridge/tc358775.c
index c50554ec4b28..d5b3d691d2c1 100644
--- a/drivers/gpu/drm/bridge/tc358775.c
+++ b/drivers/gpu/drm/bridge/tc358775.c
@@ -215,6 +215,7 @@ struct tc_data {
        struct gpio_desc        *reset_gpio;
        struct gpio_desc        *stby_gpio;
        bool                    lvds_dual_link;
+       bool                    powered;
        u8                      bpc;
 
        enum tc3587x5_type      type;
@@ -233,9 +234,8 @@ static inline struct tc_data *bridge_to_tc(struct 
drm_bridge *b)
        return container_of(b, struct tc_data, bridge);
 }
 
-static void tc_bridge_pre_enable(struct drm_bridge *bridge)
+static void tc358775_power_up(struct tc_data *tc)
 {
-       struct tc_data *tc = bridge_to_tc(bridge);
        struct device *dev = &tc->dsi->dev;
        int ret;
 
@@ -256,9 +256,8 @@ static void tc_bridge_pre_enable(struct drm_bridge *bridge)
        usleep_range(10, 20);
 }
 
-static void tc_bridge_post_disable(struct drm_bridge *bridge)
+static void tc358775_power_down(struct tc_data *tc)
 {
-       struct tc_data *tc = bridge_to_tc(bridge);
        struct device *dev = &tc->dsi->dev;
        int ret;
 
@@ -279,6 +278,20 @@ static void tc_bridge_post_disable(struct drm_bridge 
*bridge)
        usleep_range(10000, 11000);
 }
 
+static void tc_bridge_pre_enable(struct drm_bridge *bridge)
+{
+       struct tc_data *tc = bridge_to_tc(bridge);
+
+       tc358775_power_up(tc);
+}
+
+static void tc_bridge_post_disable(struct drm_bridge *bridge)
+{
+       struct tc_data *tc = bridge_to_tc(bridge);
+
+       tc358775_power_down(tc);
+}
+
 /* helper function to access bus_formats */
 static struct drm_connector *get_connector(struct drm_encoder *encoder)
 {

-- 
2.39.2