change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/drivers/gpu/drm/gma500/psb_drv.c
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..
@@ -1,41 +1,38 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /**************************************************************************
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  * Copyright (c) 2007-2011, Intel Corporation.
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  * All Rights Reserved.
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  * Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX., USA.
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  * All Rights Reserved.
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  *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License along with
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- * this program; if not, write to the Free Software Foundation, Inc.,
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- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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- *
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  **************************************************************************/
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9
 
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-#include <drm/drmP.h>
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+#include <linux/cpu.h>
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+#include <linux/module.h>
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+#include <linux/notifier.h>
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+#include <linux/pm_runtime.h>
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+#include <linux/spinlock.h>
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+
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+#include <asm/set_memory.h>
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+
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+#include <acpi/video.h>
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+
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 #include <drm/drm.h>
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-#include "psb_drv.h"
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+#include <drm/drm_drv.h>
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+#include <drm/drm_fb_helper.h>
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+#include <drm/drm_file.h>
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+#include <drm/drm_ioctl.h>
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+#include <drm/drm_irq.h>
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+#include <drm/drm_pciids.h>
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+#include <drm/drm_vblank.h>
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+
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 #include "framebuffer.h"
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-#include "psb_reg.h"
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-#include "psb_intel_reg.h"
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 #include "intel_bios.h"
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 #include "mid_bios.h"
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-#include <drm/drm_pciids.h>
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 #include "power.h"
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-#include <linux/cpu.h>
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-#include <linux/notifier.h>
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-#include <linux/spinlock.h>
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-#include <linux/pm_runtime.h>
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-#include <acpi/video.h>
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-#include <linux/module.h>
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-#include <asm/set_memory.h>
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+#include "psb_drv.h"
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+#include "psb_intel_reg.h"
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+#include "psb_reg.h"
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 static struct drm_driver driver;
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 static int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
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@@ -259,7 +256,7 @@
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 							    PSB_AUX_RESOURCE);
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 			resource_len = pci_resource_len(dev_priv->aux_pdev,
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 							PSB_AUX_RESOURCE);
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-			dev_priv->aux_reg = ioremap_nocache(resource_start,
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+			dev_priv->aux_reg = ioremap(resource_start,
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 							    resource_len);
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 			if (!dev_priv->aux_reg)
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 				goto out_err;
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@@ -368,7 +365,6 @@
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 	drm_irq_install(dev, dev->pdev->irq);
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366
 
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 	dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
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-	dev->driver->get_vblank_counter = psb_get_vblank_counter;
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368
 
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 	psb_modeset_init(dev);
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 	psb_fbdev_init(dev);
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@@ -431,14 +427,48 @@
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427
 
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 static int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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 {
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-	return drm_get_pci_dev(pdev, ent, &driver);
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-}
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+	struct drm_device *dev;
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+	int ret;
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+	ret = pci_enable_device(pdev);
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+	if (ret)
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+		return ret;
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+
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+	dev = drm_dev_alloc(&driver, &pdev->dev);
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+	if (IS_ERR(dev)) {
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+		ret = PTR_ERR(dev);
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+		goto err_pci_disable_device;
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+	}
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+
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+	dev->pdev = pdev;
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+	pci_set_drvdata(pdev, dev);
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+
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+	ret = psb_driver_load(dev, ent->driver_data);
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+	if (ret)
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+		goto err_drm_dev_put;
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+
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+	ret = drm_dev_register(dev, ent->driver_data);
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+	if (ret)
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+		goto err_psb_driver_unload;
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+
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+	return 0;
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+
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+err_psb_driver_unload:
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+	psb_driver_unload(dev);
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+err_drm_dev_put:
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+	drm_dev_put(dev);
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+err_pci_disable_device:
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+	pci_disable_device(pdev);
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+	return ret;
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+}
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 static void psb_pci_remove(struct pci_dev *pdev)
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 {
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 	struct drm_device *dev = pci_get_drvdata(pdev);
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-	drm_put_dev(dev);
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+
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+	drm_dev_unregister(dev);
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+	psb_driver_unload(dev);
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+	drm_dev_put(dev);
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 }
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 static const struct dev_pm_ops psb_pm_ops = {
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@@ -470,10 +500,7 @@
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 };
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 static struct drm_driver driver = {
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-	.driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
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-			   DRIVER_MODESET | DRIVER_GEM,
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-	.load = psb_driver_load,
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-	.unload = psb_driver_unload,
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+	.driver_features = DRIVER_MODESET | DRIVER_GEM,
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 	.lastclose = drm_fb_helper_lastclose,
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 	.num_ioctls = ARRAY_SIZE(psb_ioctls),
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@@ -481,11 +508,8 @@
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 	.irq_postinstall = psb_irq_postinstall,
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 	.irq_uninstall = psb_irq_uninstall,
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 	.irq_handler = psb_irq_handler,
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-	.enable_vblank = psb_enable_vblank,
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-	.disable_vblank = psb_disable_vblank,
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-	.get_vblank_counter = psb_get_vblank_counter,
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-	.gem_free_object = psb_gem_free_object,
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+	.gem_free_object_unlocked = psb_gem_free_object,
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 	.gem_vm_ops = &psb_gem_vm_ops,
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 	.dumb_create = psb_gem_dumb_create,