From: Greg KH <[email protected]> 3.5-stable review patch. If anyone has any objections, please let me know.
------------------ From: Marcin Slusarz <[email protected]> commit 715855457e6bc93e148caf8cb3b5dcabbf605b0d upstream. 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 <[email protected]> Signed-off-by: Marcin Slusarz <[email protected]> Signed-off-by: Ben Skeggs <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- 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(-) --- 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; --- 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 --- a/drivers/gpu/drm/nouveau/nouveau_software.h +++ b/drivers/gpu/drm/nouveau/nouveau_software.h @@ -38,6 +38,7 @@ 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
