From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/gpu/drm/exynos/exynos_drm_vidi.c | 103 ++++++++++++++++++++++-----------------------------
1 files changed, 45 insertions(+), 58 deletions(-)
diff --git a/kernel/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/kernel/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 19697c1..e96436e 100644
--- a/kernel/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/kernel/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -1,30 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* exynos_drm_vidi.c
*
* Copyright (C) 2012 Samsung Electronics Co.Ltd
* Authors:
* Inki Dae <inki.dae@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
*/
-#include <drm/drmP.h>
+#include <linux/component.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
-#include <linux/component.h>
#include <linux/timer.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
+#include <drm/drm_vblank.h>
#include <drm/exynos_drm.h>
-#include <drm/drm_edid.h>
-#include <drm/drm_crtc_helper.h>
-#include <drm/drm_atomic_helper.h>
-
-#include "exynos_drm_drv.h"
#include "exynos_drm_crtc.h"
+#include "exynos_drm_drv.h"
#include "exynos_drm_fb.h"
#include "exynos_drm_plane.h"
#include "exynos_drm_vidi.h"
@@ -40,8 +35,8 @@
struct vidi_context {
struct drm_encoder encoder;
- struct platform_device *pdev;
struct drm_device *drm_dev;
+ struct device *dev;
struct exynos_drm_crtc *crtc;
struct drm_connector connector;
struct exynos_drm_plane planes[WINDOWS_NR];
@@ -123,10 +118,10 @@
return;
addr = exynos_drm_fb_dma_addr(state->fb, 0);
- DRM_DEBUG_KMS("dma_addr = %pad\n", &addr);
+ DRM_DEV_DEBUG_KMS(ctx->dev, "dma_addr = %pad\n", &addr);
}
-static void vidi_enable(struct exynos_drm_crtc *crtc)
+static void vidi_atomic_enable(struct exynos_drm_crtc *crtc)
{
struct vidi_context *ctx = crtc->ctx;
@@ -139,7 +134,7 @@
drm_crtc_vblank_on(&crtc->base);
}
-static void vidi_disable(struct exynos_drm_crtc *crtc)
+static void vidi_atomic_disable(struct exynos_drm_crtc *crtc)
{
struct vidi_context *ctx = crtc->ctx;
@@ -153,8 +148,8 @@
}
static const struct exynos_drm_crtc_ops vidi_crtc_ops = {
- .enable = vidi_enable,
- .disable = vidi_disable,
+ .atomic_enable = vidi_atomic_enable,
+ .atomic_disable = vidi_atomic_disable,
.enable_vblank = vidi_enable_vblank,
.disable_vblank = vidi_disable_vblank,
.update_plane = vidi_update_plane,
@@ -205,11 +200,11 @@
/* if raw_edid isn't same as fake data then it can't be tested. */
if (ctx->raw_edid != (struct edid *)fake_edid_info) {
- DRM_DEBUG_KMS("edid data is not fake data.\n");
+ DRM_DEV_DEBUG_KMS(dev, "edid data is not fake data.\n");
return -EINVAL;
}
- DRM_DEBUG_KMS("requested connection.\n");
+ DRM_DEV_DEBUG_KMS(dev, "requested connection.\n");
drm_helper_hpd_irq_event(ctx->drm_dev);
@@ -219,6 +214,12 @@
static DEVICE_ATTR(connection, 0644, vidi_show_connection,
vidi_store_connection);
+static struct attribute *vidi_attrs[] = {
+ &dev_attr_connection.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(vidi);
+
int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
struct drm_file *file_priv)
{
@@ -226,17 +227,20 @@
struct drm_exynos_vidi_connection *vidi = data;
if (!vidi) {
- DRM_DEBUG_KMS("user data for vidi is null.\n");
+ DRM_DEV_DEBUG_KMS(ctx->dev,
+ "user data for vidi is null.\n");
return -EINVAL;
}
if (vidi->connection > 1) {
- DRM_DEBUG_KMS("connection should be 0 or 1.\n");
+ DRM_DEV_DEBUG_KMS(ctx->dev,
+ "connection should be 0 or 1.\n");
return -EINVAL;
}
if (ctx->connected == vidi->connection) {
- DRM_DEBUG_KMS("same connection request.\n");
+ DRM_DEV_DEBUG_KMS(ctx->dev,
+ "same connection request.\n");
return -EINVAL;
}
@@ -245,12 +249,14 @@
raw_edid = (struct edid *)(unsigned long)vidi->edid;
if (!drm_edid_is_valid(raw_edid)) {
- DRM_DEBUG_KMS("edid data is invalid.\n");
+ DRM_DEV_DEBUG_KMS(ctx->dev,
+ "edid data is invalid.\n");
return -EINVAL;
}
ctx->raw_edid = drm_edid_duplicate(raw_edid);
if (!ctx->raw_edid) {
- DRM_DEBUG_KMS("failed to allocate raw_edid.\n");
+ DRM_DEV_DEBUG_KMS(ctx->dev,
+ "failed to allocate raw_edid.\n");
return -ENOMEM;
}
} else {
@@ -308,14 +314,14 @@
* to ctx->raw_edid through specific ioctl.
*/
if (!ctx->raw_edid) {
- DRM_DEBUG_KMS("raw_edid is null.\n");
+ DRM_DEV_DEBUG_KMS(ctx->dev, "raw_edid is null.\n");
return -EFAULT;
}
edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH;
edid = kmemdup(ctx->raw_edid, edid_len, GFP_KERNEL);
if (!edid) {
- DRM_DEBUG_KMS("failed to allocate edid\n");
+ DRM_DEV_DEBUG_KMS(ctx->dev, "failed to allocate edid\n");
return -ENOMEM;
}
@@ -339,7 +345,8 @@
ret = drm_connector_init(ctx->drm_dev, connector,
&vidi_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
if (ret) {
- DRM_ERROR("Failed to initialize connector with drm\n");
+ DRM_DEV_ERROR(ctx->dev,
+ "Failed to initialize connector with drm\n");
return ret;
}
@@ -367,10 +374,6 @@
.mode_set = exynos_vidi_mode_set,
.enable = exynos_vidi_enable,
.disable = exynos_vidi_disable,
-};
-
-static const struct drm_encoder_funcs exynos_vidi_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
};
static int vidi_bind(struct device *dev, struct device *master, void *data)
@@ -402,12 +405,11 @@
ctx->crtc = exynos_drm_crtc_create(drm_dev, &exynos_plane->base,
EXYNOS_DISPLAY_TYPE_VIDI, &vidi_crtc_ops, ctx);
if (IS_ERR(ctx->crtc)) {
- DRM_ERROR("failed to create crtc.\n");
+ DRM_DEV_ERROR(dev, "failed to create crtc.\n");
return PTR_ERR(ctx->crtc);
}
- drm_encoder_init(drm_dev, encoder, &exynos_vidi_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);
drm_encoder_helper_add(encoder, &exynos_vidi_encoder_helper_funcs);
@@ -417,7 +419,8 @@
ret = vidi_create_connector(encoder);
if (ret) {
- DRM_ERROR("failed to create connector ret = %d\n", ret);
+ DRM_DEV_ERROR(dev, "failed to create connector ret = %d\n",
+ ret);
drm_encoder_cleanup(encoder);
return ret;
}
@@ -441,13 +444,13 @@
static int vidi_probe(struct platform_device *pdev)
{
struct vidi_context *ctx;
- int ret;
+ struct device *dev = &pdev->dev;
- ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
+ ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
- ctx->pdev = pdev;
+ ctx->dev = dev;
timer_setup(&ctx->timer, vidi_fake_vblank_timer, 0);
@@ -455,22 +458,7 @@
platform_set_drvdata(pdev, ctx);
- ret = device_create_file(&pdev->dev, &dev_attr_connection);
- if (ret < 0) {
- DRM_ERROR("failed to create connection sysfs.\n");
- return ret;
- }
-
- ret = component_add(&pdev->dev, &vidi_component_ops);
- if (ret)
- goto err_remove_file;
-
- return ret;
-
-err_remove_file:
- device_remove_file(&pdev->dev, &dev_attr_connection);
-
- return ret;
+ return component_add(dev, &vidi_component_ops);
}
static int vidi_remove(struct platform_device *pdev)
@@ -480,8 +468,6 @@
if (ctx->raw_edid != (struct edid *)fake_edid_info) {
kfree(ctx->raw_edid);
ctx->raw_edid = NULL;
-
- return -EINVAL;
}
component_del(&pdev->dev, &vidi_component_ops);
@@ -495,5 +481,6 @@
.driver = {
.name = "exynos-drm-vidi",
.owner = THIS_MODULE,
+ .dev_groups = vidi_groups,
},
};
--
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