[PATCH xf86-video-amdgpu 2/3] xf86-video-modesetting: Create CONNECTOR_ID properties for outputs [v2]

[Keith Packard]

This lets a DRM client map between X outputs and kernel connectors.

v2:
	Change CONNECTOR_ID to enum -- Adam Jackson <ajax at nwnk.net>

Signed-off-by: Keith Packard <keithp at keithp.com>
Reviewed-by: Adam Jackson <ajax at nwnk.net>
---
 src/drmmode_display.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/drmmode_display.c b/src/drmmode_display.c
index b0fc7ea..fe319eb 100644
--- a/src/drmmode_display.c
+++ b/src/drmmode_display.c
@@ -1662,6 +1662,29 @@ static void drmmode_output_create_resources(xf86OutputPtr output)
 	drmmode_output->tear_free = info->tear_free;
 	drmmode_output->num_props++;
 
+	/* Create CONNECTOR_ID property */
+	{
+		Atom    name = MakeAtom("CONNECTOR_ID", 12, TRUE);
+		INT32   value = mode_output->connector_id;
+
+		if (name != BAD_RESOURCE) {
+			err = RRConfigureOutputProperty(output->randr_output, name,
+							FALSE, FALSE, TRUE,
+							1, &value);
+			if (err != 0) {
+				xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
+					   "RRConfigureOutputProperty error, %d\n", err);
+			}
+			err = RRChangeOutputProperty(output->randr_output, name,
+						     XA_INTEGER, 32, PropModeReplace, 1,
+						     &value, FALSE, FALSE);
+			if (err != 0) {
+				xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
+					   "RRChangeOutputProperty error, %d\n", err);
+			}
+		}
+	}
+
 	for (i = 0; i < drmmode_output->num_props; i++) {
 		drmmode_prop_ptr p = &drmmode_output->props[i];
 		drmmode_prop = p->mode_prop;
-- 
2.16.2