svn commit: r261497 - head/sys/dev/drm2/radeon

[Robert Millan]

Author: rmh
Date: Tue Feb  4 21:23:12 2014
New Revision: 261497
URL: http://svnweb.freebsd.org/changeset/base/261497

Log:
  Abort when firmware isn't present in R600+ models.
  
  More details at:
  http://anonscm.debian.org/viewvc/kernel/dists/trunk/linux/debian/patches/bugfix/all/radeon-firmware-is-required-for-drm-and-kms-on-r600-onward.patch?revision=20909&view=co
  
  Reviewed by:	dumbbell
  MFC after:	1 week

Modified:
  head/sys/dev/drm2/radeon/r600.c
  head/sys/dev/drm2/radeon/rv770.c

Modified: head/sys/dev/drm2/radeon/r600.c
==============================================================================
--- head/sys/dev/drm2/radeon/r600.c	Tue Feb  4 21:15:15 2014	(r261496)
+++ head/sys/dev/drm2/radeon/r600.c	Tue Feb  4 21:23:12 2014	(r261497)
@@ -3012,6 +3012,12 @@ int r600_init(struct radeon_device *rdev
 		rdev->accel_working = false;
 	}
 
+	/* Don't start up if the ucode is missing. */
+	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
+		DRM_ERROR("radeon: ucode required for R600+.\n");
+		return -EINVAL;
+	}
+
 	return 0;
 }
 

Modified: head/sys/dev/drm2/radeon/rv770.c
==============================================================================
--- head/sys/dev/drm2/radeon/rv770.c	Tue Feb  4 21:15:15 2014	(r261496)
+++ head/sys/dev/drm2/radeon/rv770.c	Tue Feb  4 21:23:12 2014	(r261497)
@@ -1186,6 +1186,12 @@ int rv770_init(struct radeon_device *rde
 		rdev->accel_working = false;
 	}
 
+	/* Don't start up if the ucode is missing. */
+	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
+		DRM_ERROR("radeon: ucode required for R600+.\n");
+		return -EINVAL;
+	}
+
 	return 0;
 }