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authorMarcin Slusarz <marcin.slusarz@gmail.com>2012-07-25 20:42:05 +0200
committerBen Skeggs <bskeggs@redhat.com>2012-07-26 10:28:16 +1000
commit715855457e6bc93e148caf8cb3b5dcabbf605b0d (patch)
treeaabac0fa0c1d1f9426c557aa081865f7fb7d2fce /drivers/gpu
parent0ade74b6c6843892b52e6c2a4ac02183242eec27 (diff)
drm/nouveau: init vblank requests list
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 <odi@odi.ch> Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: stable@vger.kernel.org [3.5] Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_drv.h2
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_irq.c4
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_software.h1
3 files changed, 1 insertions, 6 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 03da3837355..4f2cc95ce26 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 868c7fd7485..b2c2937531a 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 9914cf154f6..709e5ac680e 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