[PATCH 04/10] drm/panel: lq101r1sx01: Remove enabled/prepared state

[Sean Paul]

They're not necessary for atomic drivers, and drm_panel will
WARN if the calls are unbalanced.

Signed-off-by: Sean Paul <seanpaul at chromium.org>
---
 drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c | 23 -----------------------
 1 file changed, 23 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
index 3cce3ca19601..9b447b0bfcd0 100644
--- a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
+++ b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
@@ -28,9 +28,6 @@ struct sharp_panel {
 	struct backlight_device *backlight;
 	struct regulator *supply;
 
-	bool prepared;
-	bool enabled;
-
 	const struct drm_display_mode *mode;
 };
 
@@ -93,16 +90,11 @@ static int sharp_panel_disable(struct drm_panel *panel)
 {
 	struct sharp_panel *sharp = to_sharp_panel(panel);
 
-	if (!sharp->enabled)
-		return 0;
-
 	if (sharp->backlight) {
 		sharp->backlight->props.power = FB_BLANK_POWERDOWN;
 		backlight_update_status(sharp->backlight);
 	}
 
-	sharp->enabled = false;
-
 	return 0;
 }
 
@@ -111,9 +103,6 @@ static int sharp_panel_unprepare(struct drm_panel *panel)
 	struct sharp_panel *sharp = to_sharp_panel(panel);
 	int err;
 
-	if (!sharp->prepared)
-		return 0;
-
 	sharp_wait_frames(sharp, 4);
 
 	err = mipi_dsi_dcs_set_display_off(sharp->link1);
@@ -128,8 +117,6 @@ static int sharp_panel_unprepare(struct drm_panel *panel)
 
 	regulator_disable(sharp->supply);
 
-	sharp->prepared = false;
-
 	return 0;
 }
 
@@ -173,9 +160,6 @@ static int sharp_panel_prepare(struct drm_panel *panel)
 	u8 format = MIPI_DCS_PIXEL_FMT_24BIT;
 	int err;
 
-	if (sharp->prepared)
-		return 0;
-
 	err = regulator_enable(sharp->supply);
 	if (err < 0)
 		return err;
@@ -244,8 +228,6 @@ static int sharp_panel_prepare(struct drm_panel *panel)
 		goto poweroff;
 	}
 
-	sharp->prepared = true;
-
 	/* wait for 6 frames before continuing */
 	sharp_wait_frames(sharp, 6);
 
@@ -260,16 +242,11 @@ static int sharp_panel_enable(struct drm_panel *panel)
 {
 	struct sharp_panel *sharp = to_sharp_panel(panel);
 
-	if (sharp->enabled)
-		return 0;
-
 	if (sharp->backlight) {
 		sharp->backlight->props.power = FB_BLANK_UNBLANK;
 		backlight_update_status(sharp->backlight);
 	}
 
-	sharp->enabled = true;
-
 	return 0;
 }
 
-- 
2.14.1.821.g8fa685d3b7-goog