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Groups > linux.kernel > #1448303

[PATCH v2 3/3] drm/bridge: analogix_dp: remove the panel prepare/unprepare in suspend/resume

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We already manager the panel power status in bridge_disable and
connector->detect functions, then we don't need to manager the
panel power status at suspend/resume in particular.

Signed-off-by: Yakir Yang <ykk@rock-chips.com>
---
Changes in v2: None

 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index 0ddaf93..3dadad2 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1413,11 +1413,6 @@ int analogix_dp_suspend(struct device *dev)
 
 	clk_disable_unprepare(dp->clock);
 
-	if (dp->plat_data->panel) {
-		if (drm_panel_unprepare(dp->plat_data->panel))
-			DRM_ERROR("failed to turnoff the panel\n");
-	}
-
 	return 0;
 }
 EXPORT_SYMBOL_GPL(analogix_dp_suspend);
@@ -1433,13 +1428,6 @@ int analogix_dp_resume(struct device *dev)
 		return ret;
 	}
 
-	if (dp->plat_data->panel) {
-		if (drm_panel_prepare(dp->plat_data->panel)) {
-			DRM_ERROR("failed to setup the panel\n");
-			return -EBUSY;
-		}
-	}
-
 	return 0;
 }
 EXPORT_SYMBOL_GPL(analogix_dp_resume);
-- 
1.9.1

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[PATCH v2 1/3] drm/panel: simple-panel: add the delay timing for Sharp LQ123P1JX31 Yakir Yang <ykk@rock-chips.com> - 2016-07-22 03:50 +0200
  [PATCH v2 2/3] drm/bridge: analogix_dp: turn off the panel when eDP need to disable Yakir Yang <ykk@rock-chips.com> - 2016-07-22 04:00 +0200
  [PATCH v2 3/3] drm/bridge: analogix_dp: remove the panel prepare/unprepare in suspend/resume Yakir Yang <ykk@rock-chips.com> - 2016-07-22 04:00 +0200

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