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In order to be able to create multiple devices, the device name needs to be unique. Allow to set it in the VKMS configuration. Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250218101214.5790-7-jose.exposito89@gmail.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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#include <linux/slab.h>
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#include <drm/drm_print.h>
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#include <drm/drm_debugfs.h>
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#include <kunit/visibility.h>
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#include "vkms_config.h"
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struct vkms_config *vkms_config_create(const char *dev_name)
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{
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struct vkms_config *config;
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config = kzalloc(sizeof(*config), GFP_KERNEL);
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if (!config)
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return ERR_PTR(-ENOMEM);
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config->dev_name = kstrdup_const(dev_name, GFP_KERNEL);
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if (!config->dev_name) {
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kfree(config);
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return ERR_PTR(-ENOMEM);
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}
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return config;
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}
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EXPORT_SYMBOL_IF_KUNIT(vkms_config_create);
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struct vkms_config *vkms_config_default_create(bool enable_cursor,
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bool enable_writeback,
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bool enable_overlay)
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{
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struct vkms_config *config;
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config = vkms_config_create(DEFAULT_DEVICE_NAME);
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if (IS_ERR(config))
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return config;
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config->cursor = enable_cursor;
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config->writeback = enable_writeback;
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config->overlay = enable_overlay;
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return config;
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}
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EXPORT_SYMBOL_IF_KUNIT(vkms_config_default_create);
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void vkms_config_destroy(struct vkms_config *config)
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{
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kfree_const(config->dev_name);
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kfree(config);
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}
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EXPORT_SYMBOL_IF_KUNIT(vkms_config_destroy);
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static int vkms_config_show(struct seq_file *m, void *data)
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{
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struct drm_debugfs_entry *entry = m->private;
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struct drm_device *dev = entry->dev;
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struct vkms_device *vkmsdev = drm_device_to_vkms_device(dev);
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const char *dev_name;
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dev_name = vkms_config_get_device_name((struct vkms_config *)vkmsdev->config);
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seq_printf(m, "dev_name=%s\n", dev_name);
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seq_printf(m, "writeback=%d\n", vkmsdev->config->writeback);
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seq_printf(m, "cursor=%d\n", vkmsdev->config->cursor);
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seq_printf(m, "overlay=%d\n", vkmsdev->config->overlay);
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return 0;
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}
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static const struct drm_debugfs_info vkms_config_debugfs_list[] = {
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{ "vkms_config", vkms_config_show, 0 },
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};
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void vkms_config_register_debugfs(struct vkms_device *vkms_device)
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{
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drm_debugfs_add_files(&vkms_device->drm, vkms_config_debugfs_list,
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ARRAY_SIZE(vkms_config_debugfs_list));
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}
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