drm/nouveau: recognise DCB connector type 0x41 as LVDS
After looking at a number of different logs, it appears 0x41 likely
indicates the presense of an LVDS panel following the SPWG spec
(http://www.spwg.org/)
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index 7ae1511..1595d0b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -442,7 +442,7 @@
}
/* LVDS always needs gpu scaling */
- if (nv_connector->dcb->type == DCB_CONNECTOR_LVDS &&
+ if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
value == DRM_MODE_SCALE_NONE)
return -EINVAL;
@@ -650,6 +650,7 @@
ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
if (nv_connector->dcb->type == DCB_CONNECTOR_LVDS ||
+ nv_connector->dcb->type == DCB_CONNECTOR_LVDS_SPWG ||
nv_connector->dcb->type == DCB_CONNECTOR_eDP)
ret += nouveau_connector_scaler_modes_add(connector);
@@ -810,6 +811,7 @@
type = DRM_MODE_CONNECTOR_HDMIA;
break;
case DCB_CONNECTOR_LVDS:
+ case DCB_CONNECTOR_LVDS_SPWG:
type = DRM_MODE_CONNECTOR_LVDS;
funcs = &nouveau_connector_funcs_lvds;
break;
@@ -838,7 +840,7 @@
drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
/* Check if we need dithering enabled */
- if (dcb->type == DCB_CONNECTOR_LVDS) {
+ if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
bool dummy, is_24bit = false;
ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &is_24bit);
@@ -883,7 +885,7 @@
nv_connector->use_dithering ?
DRM_MODE_DITHERING_ON : DRM_MODE_DITHERING_OFF);
- if (dcb->type != DCB_CONNECTOR_LVDS) {
+ if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) {
if (dev_priv->card_type >= NV_50)
connector->polled = DRM_CONNECTOR_POLL_HPD;
else