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Prefer GPUs with built-in panels connected when selecting a primary GPU

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Some laptops don't have the integrated GPU come earlier in the PCI topology
which means that when mutter enumerates the GPUs it may select the dGPU
as the primary.

In a laptop context, this is unlikely to work because the eDP panel can
only be actively connected to a single GPU at a time.

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/3746
Suggested-by: Jonas Ådahl
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/4114>
This commit is contained in:
Mario Limonciello
2024-11-06 13:54:55 -06:00
committed by Marge Bot
parent a280280cff
commit ecbe4a5dad
3 changed files with 41 additions and 0 deletions
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24
src/backends/native/meta-kms-device.c
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@ -849,3 +849,27 @@ meta_kms_device_class_init (MetaKmsDeviceClass *klass)
G_TYPE_NONE, 1,
META_TYPE_KMS_CRTC);
}
gboolean
meta_kms_device_has_connected_builtin_panel (MetaKmsDevice *device)
{
GList *l;
for (l = device->connectors; l; l = l->next)
{
MetaKmsConnector *connector = META_KMS_CONNECTOR (l->data);
if (!meta_kms_connector_get_current_state (connector))
continue;
switch (meta_kms_connector_get_connector_type (connector))
{
case DRM_MODE_CONNECTOR_LVDS:
case DRM_MODE_CONNECTOR_eDP:
case DRM_MODE_CONNECTOR_DSI:
return TRUE;
}
}
return FALSE;
}