[PATCH xf86-video-ati 20/21] modesetting: Create CONNECTOR_ID properties for outputs [v2]

[michel@xxxxxxxxxxx (Michel Dänzer)]

From: Keith Packard <keithp@xxxxxxxxxx>

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>
(Ported from xserver commit 023d4aba8d45e9e3630b944ecfb650c081799b96)
Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
(Ported from amdgpu commit ab7e39c5a03e24c3ce3ee2f22ada7572bc2d9aa7)
---
 src/drmmode_display.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/src/drmmode_display.c b/src/drmmode_display.c
index 27aa5a6c8..d4bd76e12 100644
--- a/src/drmmode_display.c
+++ b/src/drmmode_display.c
@@ -1643,6 +1643,33 @@ drmmode_output_create_resources(xf86OutputPtr output)
     RADEONEntPtr pRADEONEnt = RADEONEntPriv(output->scrn);
     drmModePropertyPtr drmmode_prop, tearfree_prop;
     int i, j, err;
+    Atom name;
+
+    /* Create CONNECTOR_ID property */
+    name = MakeAtom("CONNECTOR_ID", 12, TRUE);
+    if (name != BAD_RESOURCE) {
+	INT32 value = mode_output->connector_id;
+
+	err = RRConfigureOutputProperty(output->randr_output, name,
+					FALSE, FALSE, TRUE, 1, &value);
+	if (err != Success) {
+	    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 != Success) {
+	    xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
+		       "RRChangeOutputProperty error, %d\n", err);
+	}
+    }
+
+    drmmode_output->props =
+	calloc(mode_output->count_props + 1, sizeof(drmmode_prop_rec));
+    if (!drmmode_output->props)
+	return;
 
     drmmode_output->props = calloc(mode_output->count_props + 1, sizeof(drmmode_prop_rec));
     if (!drmmode_output->props)
-- 
2.18.0