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drm/vkms: Set device name from vkms_config

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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>
This commit is contained in:
José Expósito
2025-02-18 11:12:06 +01:00
committed by Maxime Ripard
parent 8b059b0c3f
commit 969a3a4e2b
5 changed files with 40 additions and 5 deletions
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14
drivers/gpu/drm/vkms/vkms_config.c
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@@ -8,7 +8,7 @@
#include "vkms_config.h"
struct vkms_config *vkms_config_create(void)
struct vkms_config *vkms_config_create(const char *dev_name)
{
struct vkms_config *config;
@@ -16,6 +16,12 @@ struct vkms_config *vkms_config_create(void)
if (!config)
return ERR_PTR(-ENOMEM);
config->dev_name = kstrdup_const(dev_name, GFP_KERNEL);
if (!config->dev_name) {
kfree(config);
return ERR_PTR(-ENOMEM);
}
return config;
}
EXPORT_SYMBOL_IF_KUNIT(vkms_config_create);
@@ -26,7 +32,7 @@ struct vkms_config *vkms_config_default_create(bool enable_cursor,
{
struct vkms_config *config;
config = vkms_config_create();
config = vkms_config_create(DEFAULT_DEVICE_NAME);
if (IS_ERR(config))
return config;
@@ -40,6 +46,7 @@ EXPORT_SYMBOL_IF_KUNIT(vkms_config_default_create);
void vkms_config_destroy(struct vkms_config *config)
{
kfree_const(config->dev_name);
kfree(config);
}
EXPORT_SYMBOL_IF_KUNIT(vkms_config_destroy);
@@ -49,7 +56,10 @@ static int vkms_config_show(struct seq_file *m, void *data)
struct drm_debugfs_entry *entry = m->private;
struct drm_device *dev = entry->dev;
struct vkms_device *vkmsdev = drm_device_to_vkms_device(dev);
const char *dev_name;
dev_name = vkms_config_get_device_name((struct vkms_config *)vkmsdev->config);
seq_printf(m, "dev_name=%s\n", dev_name);
seq_printf(m, "writeback=%d\n", vkmsdev->config->writeback);
seq_printf(m, "cursor=%d\n", vkmsdev->config->cursor);
seq_printf(m, "overlay=%d\n", vkmsdev->config->overlay);