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authorBen Skeggs <bskeggs@redhat.com>2011-04-18 01:57:48 +0200
committerBen Skeggs <bskeggs@redhat.com>2011-05-16 02:50:13 +0200
commit8c3f6bb970413c6a537736f409a1bc9d8abd671c (patch)
tree1f2d20429a7ef276dfcbca4fd4755a7693fd5107 /drivers
parentdrm/nouveau: fix uninitialised variable warning (diff)
downloadlinux-8c3f6bb970413c6a537736f409a1bc9d8abd671c.tar.xz
linux-8c3f6bb970413c6a537736f409a1bc9d8abd671c.zip
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bios.c1
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bios.h1
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_connector.c8
3 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 8486dc6ee16c..729d5fd7c88d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -6031,6 +6031,7 @@ parse_dcb_connector_table(struct nvbios *bios)
case DCB_CONNECTOR_DVI_I:
case DCB_CONNECTOR_DVI_D:
case DCB_CONNECTOR_LVDS:
+ case DCB_CONNECTOR_LVDS_SPWG:
case DCB_CONNECTOR_DP:
case DCB_CONNECTOR_eDP:
case DCB_CONNECTOR_HDMI_0:
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.h b/drivers/gpu/drm/nouveau/nouveau_bios.h
index 8a54fa7edf5c..050c314119df 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.h
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.h
@@ -82,6 +82,7 @@ enum dcb_connector_type {
DCB_CONNECTOR_DVI_I = 0x30,
DCB_CONNECTOR_DVI_D = 0x31,
DCB_CONNECTOR_LVDS = 0x40,
+ DCB_CONNECTOR_LVDS_SPWG = 0x41,
DCB_CONNECTOR_DP = 0x46,
DCB_CONNECTOR_eDP = 0x47,
DCB_CONNECTOR_HDMI_0 = 0x60,
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index 7ae151109a66..1595d0b6e815 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -442,7 +442,7 @@ nouveau_connector_set_property(struct drm_connector *connector,
}
/* 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 @@ nouveau_connector_get_modes(struct drm_connector *connector)
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 @@ nouveau_connector_create(struct drm_device *dev, int index)
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 @@ nouveau_connector_create(struct drm_device *dev, int index)
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 @@ nouveau_connector_create(struct drm_device *dev, int index)
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