xf86-video-intel: src/sna/sna_display.c src/sna/sna_driver.c src/sna/sna.h

[Chris Wilson]

 src/sna/sna.h         |    1 +
 src/sna/sna_display.c |   15 +++++++++++++++
 src/sna/sna_driver.c  |    1 +
 3 files changed, 17 insertions(+)

New commits:
commit 0ab226e27e7920bdb9f7eb62c5174cd097ac7f7f
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Thu May 24 12:51:46 2012 +0100

    sna: Query CRTC states following a hotplug event
    
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

diff --git a/src/sna/sna.h b/src/sna/sna.h
index 7a01ee7..879940d 100644
--- a/src/sna/sna.h
+++ b/src/sna/sna.h
@@ -310,6 +310,7 @@ struct sna {
 
 Bool sna_mode_pre_init(ScrnInfoPtr scrn, struct sna *sna);
 extern void sna_mode_remove_fb(struct sna *sna);
+extern void sna_mode_hotplug(struct sna *sna);
 extern void sna_mode_fini(struct sna *sna);
 
 extern int sna_crtc_id(xf86CrtcPtr crtc);
diff --git a/src/sna/sna_display.c b/src/sna/sna_display.c
index c5b96f2..b8cf3cc 100644
--- a/src/sna/sna_display.c
+++ b/src/sna/sna_display.c
@@ -2243,3 +2243,18 @@ bool sna_crtc_is_bound(struct sna *sna, xf86CrtcPtr crtc)
 	     mode.mode_valid, sna->mode.fb_id == mode.fb_id));
 	return mode.mode_valid && sna->mode.fb_id == mode.fb_id;
 }
+
+void sna_mode_hotplug(struct sna *sna)
+{
+	xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(sna->scrn);
+	int i;
+
+	/* Validate CRTC attachments */
+	for (i = 0; i < xf86_config->num_crtc; i++) {
+		xf86CrtcPtr crtc = xf86_config->crtc[i];
+		if (crtc->enabled) {
+			struct sna_crtc *sna_crtc = crtc->driver_private;
+			sna_crtc->active = sna_crtc_is_bound(sna, crtc);
+		}
+	}
+}
diff --git a/src/sna/sna_driver.c b/src/sna/sna_driver.c
index cab6d03..d0b5bde 100644
--- a/src/sna/sna_driver.c
+++ b/src/sna/sna_driver.c
@@ -635,6 +635,7 @@ sna_handle_uevents(int fd, void *closure)
 	if (memcmp(&s.st_rdev, &udev_devnum, sizeof (dev_t)) == 0 &&
 	    hotplug && atoi(hotplug) == 1) {
 		DBG(("%s: hotplug event\n", __FUNCTION__));
+		sna_mode_hotplug(sna);
 		RRGetInfo(xf86ScrnToScreen(scrn), TRUE);
 	}