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kms/device: Move universal plane cap check to mode set init

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This leaves only the atomic mode setting cap check before creating the
impl device, aiming to make it possible to create a non-mode-setting
MetaKmsImplDevice implementation.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1698>
This commit is contained in:
Jonas Ådahl 2021-01-18 18:30:02 +01:00 committed by Marge Bot
parent 7c25953c65
commit 34b0f9c124
2 changed files with 12 additions and 10 deletions
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12
src/backends/native/meta-kms-device.c
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@ -281,22 +281,12 @@ meta_create_kms_impl_device (MetaKmsDevice *device,
{
GType impl_device_type;
gboolean supports_atomic_mode_setting;
int ret;
g_autofree char *driver_name = NULL;
g_autofree char *driver_description = NULL;
const char *atomic_kms_enable_env;
meta_assert_in_kms_impl (meta_kms_impl_get_kms (impl));
ret = drmSetClientCap (fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
if (ret != 0)
{
g_set_error (error, G_IO_ERROR, g_io_error_from_errno (-ret),
"Failed to activate universal planes: %s",
g_strerror (-ret));
return NULL;
}
if (!get_driver_info (fd, &driver_name, &driver_description))
{
driver_name = g_strdup ("unknown");
@ -340,6 +330,8 @@ meta_create_kms_impl_device (MetaKmsDevice *device,
}
else
{
int ret;
ret = drmSetClientCap (fd, DRM_CLIENT_CAP_ATOMIC, 1);
if (ret == 0)
supports_atomic_mode_setting = TRUE;

10
src/backends/native/meta-kms-impl-device.c
View file

@ -787,8 +787,18 @@ meta_kms_impl_device_init_mode_setting (MetaKmsImplDevice *impl_device,
{
MetaKmsImplDevicePrivate *priv =
meta_kms_impl_device_get_instance_private (impl_device);
int ret;
drmModeRes *drm_resources;
ret = drmSetClientCap (priv->fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
if (ret != 0)
{
g_set_error (error, G_IO_ERROR, g_io_error_from_errno (-ret),
"Failed to activate universal planes: %s",
g_strerror (-ret));
return FALSE;
}
drm_resources = drmModeGetResources (priv->fd);
if (!drm_resources)
{