From: Christian König <christian.koenig@amd.com>
Date: Wed, 27 Aug 2014 13:21:53 +0000 (+0200)
Subject: drm/radeon: wake up all fences on manual reset
X-Git-Tag: v3.18-rc1~44^2~75^2~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f0d970b4fd05cb7af89307bb17689c18c835d739;p=platform%2Fkernel%2Flinux-exynos.git

drm/radeon: wake up all fences on manual reset

Wake up all fences when we manually trigger a reset.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 9137870..5bd837a 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -833,6 +833,7 @@ static int radeon_debugfs_gpu_reset(struct seq_file *m, void *data)
 	down_read(&rdev->exclusive_lock);
 	seq_printf(m, "%d\n", rdev->needs_reset);
 	rdev->needs_reset = true;
+	wake_up_all(&rdev->fence_queue);
 	up_read(&rdev->exclusive_lock);
 
 	return 0;