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From: Robert Noland <rnoland@FreeBSD.org>
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Subject: svn commit: r196466 - head/sys/dev/drm
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Author: rnoland
Date: Sun Aug 23 14:33:12 2009
New Revision: 196466
URL: http://svn.freebsd.org/changeset/base/196466

Log:
  Add a read only sysctl tracking the hw.drm.msi tunable.
  
  MFC after:	2 weeks

Modified:
  head/sys/dev/drm/drmP.h
  head/sys/dev/drm/drm_drv.c

Modified: head/sys/dev/drm/drmP.h
==============================================================================
--- head/sys/dev/drm/drmP.h	Sun Aug 23 14:31:20 2009	(r196465)
+++ head/sys/dev/drm/drmP.h	Sun Aug 23 14:33:12 2009	(r196466)
@@ -148,6 +148,8 @@ MALLOC_DECLARE(DRM_MEM_CTXBITMAP);
 MALLOC_DECLARE(DRM_MEM_SGLISTS);
 MALLOC_DECLARE(DRM_MEM_DRAWABLE);
 
+SYSCTL_DECL(_hw_drm);
+
 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
 
 				/* Internal types and structures */

Modified: head/sys/dev/drm/drm_drv.c
==============================================================================
--- head/sys/dev/drm/drm_drv.c	Sun Aug 23 14:31:20 2009	(r196465)
+++ head/sys/dev/drm/drm_drv.c	Sun Aug 23 14:33:12 2009	(r196466)
@@ -133,6 +133,9 @@ static struct cdevsw drm_cdevsw = {
 
 static int drm_msi = 1;	/* Enable by default. */
 TUNABLE_INT("hw.drm.msi", &drm_msi);
+SYSCTL_NODE(_hw, OID_AUTO, drm, CTLFLAG_RW, NULL, "DRM device");
+SYSCTL_INT(_hw_drm, OID_AUTO, msi, CTLFLAG_RDTUN, &drm_msi, 1,
+    "Enable MSI interrupts for drm devices");
 
 static struct drm_msi_blacklist_entry drm_msi_blacklist[] = {
 	{0x8086, 0x2772}, /* Intel i945G	*/ \