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/hisilicon/hibmc/hibmc_drm_vdac.c | 80 +++++++++++----------------------------
1 files changed, 23 insertions(+), 57 deletions(-)
diff --git a/kernel/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c b/kernel/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
index 744956c..376a05d 100644
--- a/kernel/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
+++ b/kernel/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* Hisilicon Hibmc SoC drm driver
*
* Based on the bochs drm driver.
@@ -8,23 +9,25 @@
* Rongrong Zou <zourongrong@huawei.com>
* Rongrong Zou <zourongrong@gmail.com>
* Jianhua Li <lijianhua@huawei.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/drm_atomic_helper.h>
-#include <drm/drm_crtc_helper.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_print.h>
#include "hibmc_drm_drv.h"
#include "hibmc_drm_regs.h"
static int hibmc_connector_get_modes(struct drm_connector *connector)
{
- return drm_add_modes_noedid(connector, 800, 600);
+ int count;
+
+ count = drm_add_modes_noedid(connector,
+ connector->dev->mode_config.max_width,
+ connector->dev->mode_config.max_height);
+ drm_set_preferred_mode(connector, 1024, 768);
+
+ return count;
}
static enum drm_mode_status hibmc_connector_mode_valid(struct drm_connector *connector,
@@ -33,17 +36,10 @@
return MODE_OK;
}
-static struct drm_encoder *
-hibmc_connector_best_encoder(struct drm_connector *connector)
-{
- return drm_encoder_find(connector->dev, NULL, connector->encoder_ids[0]);
-}
-
static const struct drm_connector_helper_funcs
hibmc_connector_helper_funcs = {
.get_modes = hibmc_connector_get_modes,
.mode_valid = hibmc_connector_mode_valid,
- .best_encoder = hibmc_connector_best_encoder,
};
static const struct drm_connector_funcs hibmc_connector_funcs = {
@@ -53,32 +49,6 @@
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
};
-
-static struct drm_connector *
-hibmc_connector_init(struct hibmc_drm_private *priv)
-{
- struct drm_device *dev = priv->dev;
- struct drm_connector *connector;
- int ret;
-
- connector = devm_kzalloc(dev->dev, sizeof(*connector), GFP_KERNEL);
- if (!connector) {
- DRM_ERROR("failed to alloc memory when init connector\n");
- return ERR_PTR(-ENOMEM);
- }
-
- ret = drm_connector_init(dev, connector,
- &hibmc_connector_funcs,
- DRM_MODE_CONNECTOR_VGA);
- if (ret) {
- DRM_ERROR("failed to init connector: %d\n", ret);
- return ERR_PTR(ret);
- }
- drm_connector_helper_add(connector,
- &hibmc_connector_helper_funcs);
-
- return connector;
-}
static void hibmc_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
@@ -107,32 +77,28 @@
int hibmc_vdac_init(struct hibmc_drm_private *priv)
{
struct drm_device *dev = priv->dev;
- struct drm_encoder *encoder;
- struct drm_connector *connector;
+ struct drm_encoder *encoder = &priv->encoder;
+ struct drm_connector *connector = &priv->connector;
int ret;
-
- connector = hibmc_connector_init(priv);
- if (IS_ERR(connector)) {
- DRM_ERROR("failed to create connector: %ld\n",
- PTR_ERR(connector));
- return PTR_ERR(connector);
- }
-
- encoder = devm_kzalloc(dev->dev, sizeof(*encoder), GFP_KERNEL);
- if (!encoder) {
- DRM_ERROR("failed to alloc memory when init encoder\n");
- return -ENOMEM;
- }
encoder->possible_crtcs = 0x1;
ret = drm_encoder_init(dev, encoder, &hibmc_encoder_funcs,
DRM_MODE_ENCODER_DAC, NULL);
if (ret) {
- DRM_ERROR("failed to init encoder: %d\n", ret);
+ drm_err(dev, "failed to init encoder: %d\n", ret);
return ret;
}
drm_encoder_helper_add(encoder, &hibmc_encoder_helper_funcs);
+
+ ret = drm_connector_init(dev, connector, &hibmc_connector_funcs,
+ DRM_MODE_CONNECTOR_VGA);
+ if (ret) {
+ drm_err(dev, "failed to init connector: %d\n", ret);
+ return ret;
+ }
+ drm_connector_helper_add(connector, &hibmc_connector_helper_funcs);
+
drm_connector_attach_encoder(connector, encoder);
return 0;
--
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