From 715855457e6bc93e148caf8cb3b5dcabbf605b0d Mon Sep 17 00:00:00 2001 From: Marcin Slusarz Date: Wed, 25 Jul 2012 20:42:05 +0200 Subject: [PATCH] drm/nouveau: init vblank requests list MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Fixes kernel panic when vblank interrupt triggers before first sync to vblank request. (Besides init, remove some relevant leftovers from vblank rework) Reported-by: Ortwin Glück Signed-off-by: Marcin Slusarz Cc: stable@vger.kernel.org [3.5] Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_drv.h | 2 -- drivers/gpu/drm/nouveau/nouveau_irq.c | 4 ---- drivers/gpu/drm/nouveau/nouveau_software.h | 1 + 3 files changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 03da38373552..4f2cc95ce264 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -689,8 +689,6 @@ struct drm_nouveau_private { void (*irq_handler[32])(struct drm_device *); bool msi_enabled; - struct list_head vbl_waiting; - struct { struct drm_global_reference mem_global_ref; struct ttm_bo_global_ref bo_global_ref; diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c index 868c7fd74854..b2c2937531a8 100644 --- a/drivers/gpu/drm/nouveau/nouveau_irq.c +++ b/drivers/gpu/drm/nouveau/nouveau_irq.c @@ -41,12 +41,8 @@ void nouveau_irq_preinstall(struct drm_device *dev) { - struct drm_nouveau_private *dev_priv = dev->dev_private; - /* Master disable */ nv_wr32(dev, NV03_PMC_INTR_EN_0, 0); - - INIT_LIST_HEAD(&dev_priv->vbl_waiting); } int diff --git a/drivers/gpu/drm/nouveau/nouveau_software.h b/drivers/gpu/drm/nouveau/nouveau_software.h index 9914cf154f65..709e5ac680ec 100644 --- a/drivers/gpu/drm/nouveau/nouveau_software.h +++ b/drivers/gpu/drm/nouveau/nouveau_software.h @@ -23,6 +23,7 @@ static inline void nouveau_software_context_new(struct nouveau_software_chan *pch) { INIT_LIST_HEAD(&pch->flip); + INIT_LIST_HEAD(&pch->vblank.list); } static inline void -- 2.39.2