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kms/device: Provide driver name and description

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Retrieved from drmGetVersion(), to be used to identify what driver a DRM
device is driven by.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1318
This commit is contained in:
Jonas Ådahl 2020-06-17 17:49:12 +02:00 committed by Robert Mader
parent d725acb267
commit d73a858dc2
4 changed files with 64 additions and 0 deletions
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22
src/backends/native/meta-kms-device.c
View File

@ -39,6 +39,8 @@ struct _MetaKmsDevice
MetaKmsDeviceFlag flags;
char *path;
char *driver_name;
char *driver_description;
GList *crtcs;
GList *connectors;
@ -67,6 +69,18 @@ meta_kms_device_get_path (MetaKmsDevice *device)
return device->path;
}
const char *
meta_kms_device_get_driver_name (MetaKmsDevice *device)
{
return device->driver_name;
}
const char *
meta_kms_device_get_driver_description (MetaKmsDevice *device)
{
return device->driver_description;
}
MetaKmsDeviceFlag
meta_kms_device_get_flags (MetaKmsDevice *device)
{
@ -200,6 +214,8 @@ typedef struct _CreateImplDeviceData
GList *out_connectors;
GList *out_planes;
MetaKmsDeviceCaps out_caps;
char *out_driver_name;
char *out_driver_description;
} CreateImplDeviceData;
static gpointer
@ -219,6 +235,10 @@ create_impl_device_in_impl (MetaKmsImpl *impl,
data->out_connectors = meta_kms_impl_device_copy_connectors (impl_device);
data->out_planes = meta_kms_impl_device_copy_planes (impl_device);
data->out_caps = *meta_kms_impl_device_get_caps (impl_device);
data->out_driver_name =
g_strdup (meta_kms_impl_device_get_driver_name (impl_device));
data->out_driver_description =
g_strdup (meta_kms_impl_device_get_driver_description (impl_device));
return GINT_TO_POINTER (TRUE);
}
@ -262,6 +282,8 @@ meta_kms_device_new (MetaKms *kms,
device->connectors = data.out_connectors;
device->planes = data.out_planes;
device->caps = data.out_caps;
device->driver_name = data.out_driver_name;
device->driver_description = data.out_driver_description;
return device;
}

4
src/backends/native/meta-kms-device.h
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@ -33,6 +33,10 @@ int meta_kms_device_leak_fd (MetaKmsDevice *device);
const char * meta_kms_device_get_path (MetaKmsDevice *device);
const char * meta_kms_device_get_driver_name (MetaKmsDevice *device);
const char * meta_kms_device_get_driver_description (MetaKmsDevice *device);
MetaKmsDeviceFlag meta_kms_device_get_flags (MetaKmsDevice *device);
gboolean meta_kms_device_get_cursor_size (MetaKmsDevice *device,

34
src/backends/native/meta-kms-impl-device.c
View File

@ -45,6 +45,9 @@ struct _MetaKmsImplDevice
int fd;
GSource *fd_source;
char *driver_name;
char *driver_description;
GList *crtcs;
GList *connectors;
GList *planes;
@ -84,6 +87,18 @@ meta_kms_impl_device_get_caps (MetaKmsImplDevice *impl_device)
return &impl_device->caps;
}
const char *
meta_kms_impl_device_get_driver_name (MetaKmsImplDevice *impl_device)
{
return impl_device->driver_name;
}
const char *
meta_kms_impl_device_get_driver_description (MetaKmsImplDevice *impl_device)
{
return impl_device->driver_description;
}
static void
page_flip_handler (int fd,
unsigned int sequence,
@ -357,6 +372,22 @@ init_planes (MetaKmsImplDevice *impl_device)
impl_device->planes = g_list_reverse (impl_device->planes);
}
static void
init_info (MetaKmsImplDevice *impl_device)
{
drmVersion *drm_version;
drm_version = drmGetVersion (impl_device->fd);
if (!drm_version)
return;
impl_device->driver_name = g_strndup (drm_version->name,
drm_version->name_len);
impl_device->driver_description = g_strndup (drm_version->desc,
drm_version->desc_len);
drmFreeVersion (drm_version);
}
void
meta_kms_impl_device_update_states (MetaKmsImplDevice *impl_device)
{
@ -435,6 +466,7 @@ meta_kms_impl_device_new (MetaKmsDevice *device,
init_crtcs (impl_device, drm_resources);
init_planes (impl_device);
init_info (impl_device);
update_connectors (impl_device, drm_resources);
@ -484,6 +516,8 @@ meta_kms_impl_device_finalize (GObject *object)
g_list_free_full (impl_device->planes, g_object_unref);
g_list_free_full (impl_device->crtcs, g_object_unref);
g_list_free_full (impl_device->connectors, g_object_unref);
g_free (impl_device->driver_name);
g_free (impl_device->driver_description);
G_OBJECT_CLASS (meta_kms_impl_device_parent_class)->finalize (object);
}

4
src/backends/native/meta-kms-impl-device.h
View File

@ -50,6 +50,10 @@ GList * meta_kms_impl_device_copy_planes (MetaKmsImplDevice *impl_device);
const MetaKmsDeviceCaps * meta_kms_impl_device_get_caps (MetaKmsImplDevice *impl_device);
const char * meta_kms_impl_device_get_driver_name (MetaKmsImplDevice *impl_device);
const char * meta_kms_impl_device_get_driver_description (MetaKmsImplDevice *impl_device);
gboolean meta_kms_impl_device_dispatch (MetaKmsImplDevice *impl_device,
GError **error);