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authorThomas Hellstrom <thellstrom@vmware.com>2011-10-22 12:36:19 +0400
committerDave Airlie <airlied@redhat.com>2011-11-01 20:01:42 +0400
commita7331e5cb2cc680ac30337cec5299956a8454ced (patch)
tree8a56f07f946f40fbbfda5c9c66cdac2e2dc65b72
parent094803e0aab3fe75bbf8202a8f4b5280eaade375 (diff)
downloadlinux-a7331e5cb2cc680ac30337cec5299956a8454ced.tar.xz
drm: Introduce "Virtual" connectors and encoders
This will allow us to attach various properties specific to virtual monitors in the future. Note that we don't export an EDID property for "Virtual" connectors. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r--drivers/gpu/drm/drm_crtc.c8
-rw-r--r--include/drm/drm_mode.h12
2 files changed, 13 insertions, 7 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index fe738f05309b..f3ef654fd268 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -162,6 +162,7 @@ static struct drm_conn_prop_enum_list drm_connector_enum_list[] =
{ DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 },
{ DRM_MODE_CONNECTOR_TV, "TV", 0 },
{ DRM_MODE_CONNECTOR_eDP, "eDP", 0 },
+ { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0},
};
static struct drm_prop_enum_list drm_encoder_enum_list[] =
@@ -170,6 +171,7 @@ static struct drm_prop_enum_list drm_encoder_enum_list[] =
{ DRM_MODE_ENCODER_TMDS, "TMDS" },
{ DRM_MODE_ENCODER_LVDS, "LVDS" },
{ DRM_MODE_ENCODER_TVDAC, "TV" },
+ { DRM_MODE_ENCODER_VIRTUAL, "Virtual" },
};
char *drm_get_encoder_name(struct drm_encoder *encoder)
@@ -463,8 +465,10 @@ void drm_connector_init(struct drm_device *dev,
list_add_tail(&connector->head, &dev->mode_config.connector_list);
dev->mode_config.num_connector++;
- drm_connector_attach_property(connector,
- dev->mode_config.edid_property, 0);
+ if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL)
+ drm_connector_attach_property(connector,
+ dev->mode_config.edid_property,
+ 0);
drm_connector_attach_property(connector,
dev->mode_config.dpms_property, 0);
diff --git a/include/drm/drm_mode.h b/include/drm/drm_mode.h
index c4961ea50a49..d30bedfeb7ef 100644
--- a/include/drm/drm_mode.h
+++ b/include/drm/drm_mode.h
@@ -120,11 +120,12 @@ struct drm_mode_crtc {
struct drm_mode_modeinfo mode;
};
-#define DRM_MODE_ENCODER_NONE 0
-#define DRM_MODE_ENCODER_DAC 1
-#define DRM_MODE_ENCODER_TMDS 2
-#define DRM_MODE_ENCODER_LVDS 3
-#define DRM_MODE_ENCODER_TVDAC 4
+#define DRM_MODE_ENCODER_NONE 0
+#define DRM_MODE_ENCODER_DAC 1
+#define DRM_MODE_ENCODER_TMDS 2
+#define DRM_MODE_ENCODER_LVDS 3
+#define DRM_MODE_ENCODER_TVDAC 4
+#define DRM_MODE_ENCODER_VIRTUAL 5
struct drm_mode_get_encoder {
__u32 encoder_id;
@@ -162,6 +163,7 @@ struct drm_mode_get_encoder {
#define DRM_MODE_CONNECTOR_HDMIB 12
#define DRM_MODE_CONNECTOR_TV 13
#define DRM_MODE_CONNECTOR_eDP 14
+#define DRM_MODE_CONNECTOR_VIRTUAL 15
struct drm_mode_get_connector {