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https://github.com/armbian/build
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57 lines
1.7 KiB
Diff
57 lines
1.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jianhua Lu <lujianhua000@gmail.com>
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Date: Mon, 17 Oct 2022 08:02:58 +0800
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Subject: drm: dsi: emit panel turn on/off signal to touchscreen
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---
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drivers/gpu/drm/msm/dsi/dsi_manager.c | 9 +++++++++
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1 file changed, 9 insertions(+)
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diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c
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index 111111111111..222222222222 100644
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--- a/drivers/gpu/drm/msm/dsi/dsi_manager.c
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+++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c
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@@ -7,6 +7,7 @@
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#include "msm_kms.h"
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#include "dsi.h"
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+#include "drm/drm_notifier.h"
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#define DSI_CLOCK_MASTER DSI_0
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#define DSI_CLOCK_SLAVE DSI_1
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@@ -273,6 +274,7 @@ static void dsi_mgr_bridge_pre_enable(struct drm_bridge *bridge)
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struct mipi_dsi_host *host = msm_dsi->host;
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bool is_bonded_dsi = IS_BONDED_DSI();
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int ret;
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+ enum drm_notifier_data notifier_data;
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DBG("id=%d", id);
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@@ -286,6 +288,9 @@ static void dsi_mgr_bridge_pre_enable(struct drm_bridge *bridge)
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return;
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}
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+ notifier_data = MI_DRM_BLANK_UNBLANK;
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+ mi_drm_notifier_call_chain(MI_DRM_EVENT_BLANK, ¬ifier_data);
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+
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ret = msm_dsi_host_enable(host);
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if (ret) {
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pr_err("%s: enable host %d failed, %d\n", __func__, id, ret);
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@@ -329,9 +334,13 @@ static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge)
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struct mipi_dsi_host *host = msm_dsi->host;
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bool is_bonded_dsi = IS_BONDED_DSI();
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int ret;
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+ enum drm_notifier_data notifier_data;
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DBG("id=%d", id);
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+ notifier_data = MI_DRM_BLANK_POWERDOWN;
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+ mi_drm_notifier_call_chain(MI_DRM_EARLY_EVENT_BLANK, ¬ifier_data);
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+
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/*
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* Do nothing with the host if it is slave-DSI in case of bonded DSI.
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* It is safe to call dsi_mgr_phy_disable() here because a single PHY
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--
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Armbian
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