From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/imx/dw_hdmi-imx.c | 69 +++++++++++++++-------------------
1 files changed, 30 insertions(+), 39 deletions(-)
diff --git a/kernel/drivers/gpu/drm/imx/dw_hdmi-imx.c b/kernel/drivers/gpu/drm/imx/dw_hdmi-imx.c
index fe6becd..d07b39b 100644
--- a/kernel/drivers/gpu/drm/imx/dw_hdmi-imx.c
+++ b/kernel/drivers/gpu/drm/imx/dw_hdmi-imx.c
@@ -1,24 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2011-2013 Freescale Semiconductor, Inc.
*
* derived from imx-hdmi.c(renamed to bridge/dw_hdmi.c now)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
-#include <linux/module.h>
-#include <linux/platform_device.h>
+
#include <linux/component.h>
#include <linux/mfd/syscon.h>
#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
-#include <drm/bridge/dw_hdmi.h>
-#include <video/imx-ipu-v3.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
#include <linux/regmap.h>
-#include <drm/drm_of.h>
-#include <drm/drmP.h>
-#include <drm/drm_crtc_helper.h>
+
+#include <video/imx-ipu-v3.h>
+
+#include <drm/bridge/dw_hdmi.h>
+#include <drm/drm_atomic_helper.h>
#include <drm/drm_edid.h>
-#include <drm/drm_encoder_slave.h>
+#include <drm/drm_encoder.h>
+#include <drm/drm_of.h>
+#include <drm/drm_simple_kms_helper.h>
#include "imx-drm.h"
@@ -111,10 +111,6 @@
return 0;
}
-static void dw_hdmi_imx_encoder_disable(struct drm_encoder *encoder)
-{
-}
-
static void dw_hdmi_imx_encoder_enable(struct drm_encoder *encoder)
{
struct imx_hdmi *hdmi = enc_to_imx_hdmi(encoder);
@@ -140,16 +136,12 @@
static const struct drm_encoder_helper_funcs dw_hdmi_imx_encoder_helper_funcs = {
.enable = dw_hdmi_imx_encoder_enable,
- .disable = dw_hdmi_imx_encoder_disable,
.atomic_check = dw_hdmi_imx_atomic_check,
};
-static const struct drm_encoder_funcs dw_hdmi_imx_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static enum drm_mode_status
-imx6q_hdmi_mode_valid(struct drm_connector *con,
+imx6q_hdmi_mode_valid(struct dw_hdmi *hdmi, void *data,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
if (mode->clock < 13500)
@@ -162,7 +154,8 @@
}
static enum drm_mode_status
-imx6dl_hdmi_mode_valid(struct drm_connector *con,
+imx6dl_hdmi_mode_valid(struct dw_hdmi *hdmi, void *data,
+ const struct drm_display_info *info,
const struct drm_display_mode *mode)
{
if (mode->clock < 13500)
@@ -213,34 +206,24 @@
if (!pdev->dev.of_node)
return -ENODEV;
- hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL);
- if (!hdmi)
- return -ENOMEM;
+ hdmi = dev_get_drvdata(dev);
+ memset(hdmi, 0, sizeof(*hdmi));
match = of_match_node(dw_hdmi_imx_dt_ids, pdev->dev.of_node);
plat_data = match->data;
hdmi->dev = &pdev->dev;
encoder = &hdmi->encoder;
- encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node);
- /*
- * If we failed to find the CRTC(s) which this encoder is
- * supposed to be connected to, it's because the CRTC has
- * not been registered yet. Defer probing, and hope that
- * the required CRTC is added later.
- */
- if (encoder->possible_crtcs == 0)
- return -EPROBE_DEFER;
+ ret = imx_drm_encoder_parse_of(drm, encoder, dev->of_node);
+ if (ret)
+ return ret;
ret = dw_hdmi_imx_parse_dt(hdmi);
if (ret < 0)
return ret;
drm_encoder_helper_add(encoder, &dw_hdmi_imx_encoder_helper_funcs);
- drm_encoder_init(drm, encoder, &dw_hdmi_imx_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
-
- platform_set_drvdata(pdev, hdmi);
+ drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
hdmi->hdmi = dw_hdmi_bind(pdev, encoder, plat_data);
@@ -271,6 +254,14 @@
static int dw_hdmi_imx_probe(struct platform_device *pdev)
{
+ struct imx_hdmi *hdmi;
+
+ hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL);
+ if (!hdmi)
+ return -ENOMEM;
+
+ platform_set_drvdata(pdev, hdmi);
+
return component_add(&pdev->dev, &dw_hdmi_imx_ops);
}
--
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