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42 lines
1.2 KiB
Diff
42 lines
1.2 KiB
Diff
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From a6872b25f18fe46ef9979f9d4a3635a9c3966afd Mon Sep 17 00:00:00 2001
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From: eng33 <eng33@waveshare.com>
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Date: Mon, 11 Dec 2023 15:06:45 +0800
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Subject: [PATCH] drivers/gpu/drm/panel:fix waveshare panel software
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restart/shutdown display is abnormal Fixed the screen stays white when the
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user restarts or shuts down
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Signed-off-by: eng33 <eng33@waveshare.com>
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---
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drivers/gpu/drm/panel/panel-waveshare-dsi.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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--- a/drivers/gpu/drm/panel/panel-waveshare-dsi.c
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+++ b/drivers/gpu/drm/panel/panel-waveshare-dsi.c
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@@ -362,9 +362,18 @@ static void ws_panel_remove(struct i2c_c
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{
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struct ws_panel *ts = i2c_get_clientdata(i2c);
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+ ws_panel_disable(&ts->base);
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+
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drm_panel_remove(&ts->base);
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}
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+static void ws_panel_shutdown(struct i2c_client *i2c)
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+{
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+ struct ws_panel *ts = i2c_get_clientdata(i2c);
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+
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+ ws_panel_disable(&ts->base);
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+}
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+
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static const struct of_device_id ws_panel_of_ids[] = {
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{
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.compatible = "waveshare,2.8inch-panel",
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@@ -403,6 +412,7 @@ static struct i2c_driver ws_panel_driver
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},
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.probe = ws_panel_probe,
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.remove = ws_panel_remove,
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+ .shutdown = ws_panel_shutdown,
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};
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module_i2c_driver(ws_panel_driver);
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