[PATCH v2 09/12] drm: panel: Add idle/busy in Sharp lq101r1sx01 driver

[Mark Zhang]

Signed-off-by: Mark Zhang <markz at nvidia.com>
---
 drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c |   26 +++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c 
b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
index e32f1449b067..64eb437ee7b3 100644
--- a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
+++ b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
@@ -89,6 +89,18 @@ static __maybe_unused int sharp_panel_read(struct 
sharp_panel *sharp,
        return err;
 }

+static int sharp_panel_idle(struct drm_panel *panel)
+{
+       struct sharp_panel *sharp = to_sharp_panel(panel);
+       int err = 0;
+
+       err = mipi_dsi_dcs_enter_idle_mode(sharp->link1);
+       if (err < 0)
+               dev_err(panel->dev, "failed to enter idle: %d\n", err);
+
+       return err;
+}
+
 static int sharp_panel_disable(struct drm_panel *panel)
 {
        struct sharp_panel *sharp = to_sharp_panel(panel);
@@ -167,6 +179,18 @@ static int sharp_setup_symmetrical_split(struct 
mipi_dsi_device *left,
        return 0;
 }

+static int sharp_panel_busy(struct drm_panel *panel)
+{
+       struct sharp_panel *sharp = to_sharp_panel(panel);
+       int err = 0;
+
+       err = mipi_dsi_dcs_exit_idle_mode(sharp->link1);
+       if (err < 0)
+               dev_err(panel->dev, "failed to exit idle: %d\n", err);
+
+       return err;
+}
+
 static int sharp_panel_prepare(struct drm_panel *panel)
 {
        struct sharp_panel *sharp = to_sharp_panel(panel);
@@ -318,6 +342,8 @@ static int sharp_panel_get_modes(struct drm_panel *panel)
 }

 static const struct drm_panel_funcs sharp_panel_funcs = {
+       .idle = sharp_panel_idle,
+       .busy = sharp_panel_busy,
        .disable = sharp_panel_disable,
        .unprepare = sharp_panel_unprepare,
        .prepare = sharp_panel_prepare,
-- 
1.7.9.5