From 907af60b93045ae33b450553167aa8f684252de3 Mon Sep 17 00:00:00 2001 From: Francisco Jerez Date: Sat, 9 Oct 2010 04:02:09 +0200 Subject: [PATCH] drm/nouveau: Fix sleep while atomic in the semaphore code. Signed-off-by: Francisco Jerez Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_fence.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c index 441b12420bb1..ab1bbfbf266e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.c +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c @@ -249,6 +249,7 @@ alloc_semaphore(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_semaphore *sema; + int ret; if (!USE_SEMA(dev)) return NULL; @@ -257,10 +258,14 @@ alloc_semaphore(struct drm_device *dev) if (!sema) goto fail; + ret = drm_mm_pre_get(&dev_priv->fence.heap); + if (ret) + goto fail; + spin_lock(&dev_priv->fence.lock); sema->mem = drm_mm_search_free(&dev_priv->fence.heap, 4, 0, 0); if (sema->mem) - sema->mem = drm_mm_get_block(sema->mem, 4, 0); + sema->mem = drm_mm_get_block_atomic(sema->mem, 4, 0); spin_unlock(&dev_priv->fence.lock); if (!sema->mem) -- 2.30.2