Patch "Revert "drm/radeon: hold reference to fences in radeon_sa_bo_new"" has been added to the 3.10-stable tree

Patch "Revert "drm/radeon: hold reference to fences in radeon_sa_bo_new"" has been added to the 3.10-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    Revert "drm/radeon: hold reference to fences in radeon_sa_bo_new"

to the 3.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     revert-drm-radeon-hold-reference-to-fences-in-radeon_sa_bo_new.patch
and it can be found in the queue-3.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Mon Mar  7 14:56:11 PST 2016
Date: Mon, 07 Mar 2016 14:56:11 -0800
To: Greg KH <gregkh@linuxfoundation.org>
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Revert "drm/radeon: hold reference to fences in radeon_sa_bo_new"

This reverts commit 8d5e1e5af0c667545c202e8f4051f77aa3bf31b7 which was
commit f6ff4f67cdf8455d0a4226eeeaf5af17c37d05eb upstream.

It breaks working hardware, a backported version might be provided at
some unknown time in the future.

Reported-by: Erik Andersen <andersen@codepoet.org>
Acked-by: Christian König <christian.koenig@amd.com>
Cc: Nicolai Hähnle <nicolai.haehnle@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/radeon/radeon_sa.c |    5 -----
 1 file changed, 5 deletions(-)

--- a/drivers/gpu/drm/radeon/radeon_sa.c
+++ b/drivers/gpu/drm/radeon/radeon_sa.c
@@ -349,13 +349,8 @@ int radeon_sa_bo_new(struct radeon_devic
 			/* see if we can skip over some allocations */
 		} while (radeon_sa_bo_next_hole(sa_manager, fences, tries));
 
-		for (i = 0; i < RADEON_NUM_RINGS; ++i)
-			radeon_fence_ref(fences[i]);
-
 		spin_unlock(&sa_manager->wq.lock);
 		r = radeon_fence_wait_any(rdev, fences, false);
-		for (i = 0; i < RADEON_NUM_RINGS; ++i)
-			radeon_fence_unref(&fences[i]);
 		spin_lock(&sa_manager->wq.lock);
 		/* if we have nothing to wait for block */
 		if (r == -ENOENT && block) {


Patches currently in stable-queue which might be from gregkh@linuxfoundation.org are

queue-3.10/alsa-hdspm-fix-zero-division.patch
queue-3.10/x86-entry-compat-add-missing-clac-to-entry_int80_32.patch
queue-3.10/pm-sleep-x86-fix-crash-on-graph-trace-through-x86-suspend.patch
queue-3.10/ubi-fix-out-of-bounds-write-in-volume-update-code.patch
queue-3.10/cifs-fix-smb2-interim-response-processing-for-read-requests.patch
queue-3.10/alsa-ctl-fix-ioctls-for-x32-abi.patch
queue-3.10/alsa-hdspm-fix-wrong-boolean-ctl-value-accesses.patch
queue-3.10/revert-jffs2-fix-lock-acquisition-order-bug-in-jffs2_write_begin.patch
queue-3.10/usb-cp210x-add-id-for-parrot-nmea-gps-flight-recorder.patch
queue-3.10/alsa-hdsp-fix-wrong-boolean-ctl-value-accesses.patch
queue-3.10/locks-fix-unlock-when-fcntl_setlk-races-with-a-close.patch
queue-3.10/libata-align-ata_device-s-id-on-a-cacheline.patch
queue-3.10/usb-serial-option-add-support-for-quectel-uc20.patch
queue-3.10/alsa-seq-oss-don-t-drain-at-closing-a-client.patch
queue-3.10/usb-serial-option-add-support-for-telit-le922-pid-0x1045.patch
queue-3.10/alsa-timer-fix-ioctls-for-x32-abi.patch
queue-3.10/alsa-timer-fix-broken-compat-timer-user-status-ioctl.patch
queue-3.10/edac-mc_sysfs-fix-freeing-bus-name.patch
queue-3.10/libata-fix-hdio_get_32bit-ioctl.patch
queue-3.10/alsa-rawmidi-fix-ioctls-x32-abi.patch
queue-3.10/drm-ast-fix-incorrect-register-check-for-dram-width.patch
queue-3.10/jffs2-fix-page-lock-f-sem-deadlock.patch
queue-3.10/fix-directory-hardlinks-from-deleted-directories.patch
queue-3.10/revert-drm-radeon-hold-reference-to-fences-in-radeon_sa_bo_new.patch