[PATCH] Set the RandR primary output on startup if Xorg hasn't

[Michel Dänzer]

From: Michel Dänzer <michel.daenzer at amd.com>

Fixes xrandr (XRRGetOutputPrimary) not reporting any output as primary
after startup.

Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
---
 src/radeon_kms.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/radeon_kms.c b/src/radeon_kms.c
index d459740..971f11c 100644
--- a/src/radeon_kms.c
+++ b/src/radeon_kms.c
@@ -241,6 +241,7 @@ static Bool RADEONCreateScreenResources_KMS(ScreenPtr pScreen)
 {
     ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
     RADEONInfoPtr  info   = RADEONPTR(pScrn);
+    rrScrPrivPtr rrScrPriv = rrGetScrPriv(pScreen);
     PixmapPtr pixmap;
     struct radeon_surface *surface;
 
@@ -249,6 +250,20 @@ static Bool RADEONCreateScreenResources_KMS(ScreenPtr pScreen)
 	return FALSE;
     pScreen->CreateScreenResources = RADEONCreateScreenResources_KMS;
 
+    /* Set the RandR primary output if Xorg hasn't */
+    if (
+#ifdef RADEON_PIXMAP_SHARING
+	!pScreen->isGPU &&
+#endif
+	!rrScrPriv->primaryOutput)
+    {
+	xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
+
+	rrScrPriv->primaryOutput = xf86_config->output[0]->randr_output;
+	RROutputChanged(rrScrPriv->primaryOutput, FALSE);
+	rrScrPriv->layoutChanged = TRUE;
+    }
+
     if (!drmmode_set_desired_modes(pScrn, &info->drmmode, FALSE))
 	return FALSE;
 
-- 
2.6.2