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authorBen Skeggs <bskeggs@redhat.com>2010-02-16 11:14:14 +1000
committerBen Skeggs <bskeggs@redhat.com>2010-02-16 11:14:33 +1000
commitd9184fa97b6f48d399636e5e2669bc8419f9369e (patch)
treed7712d3a30050d949fdb99c9962dac1c85ce4349 /drivers
parent13876c6e5fec94e9ea51b73ac025583dd7655345 (diff)
drm/nouveau: use mutex for vbios lock
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bios.c7
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bios.h2
2 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 2cd0fad17da..0e9cd1d4913 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -5861,13 +5861,12 @@ nouveau_bios_run_init_table(struct drm_device *dev, uint16_t table,
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nvbios *bios = &dev_priv->VBIOS;
struct init_exec iexec = { true, false };
- unsigned long flags;
- spin_lock_irqsave(&bios->lock, flags);
+ mutex_lock(&bios->lock);
bios->display.output = dcbent;
parse_init_table(bios, table, &iexec);
bios->display.output = NULL;
- spin_unlock_irqrestore(&bios->lock, flags);
+ mutex_unlock(&bios->lock);
}
static bool NVInitVBIOS(struct drm_device *dev)
@@ -5876,7 +5875,7 @@ static bool NVInitVBIOS(struct drm_device *dev)
struct nvbios *bios = &dev_priv->VBIOS;
memset(bios, 0, sizeof(struct nvbios));
- spin_lock_init(&bios->lock);
+ mutex_init(&bios->lock);
bios->dev = dev;
if (!NVShadowVBIOS(dev, bios->data))
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.h b/drivers/gpu/drm/nouveau/nouveau_bios.h
index 68446fd4146..fd94bd6dc26 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.h
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.h
@@ -205,7 +205,7 @@ struct nvbios {
struct drm_device *dev;
struct nouveau_bios_info pub;
- spinlock_t lock;
+ struct mutex lock;
uint8_t data[NV_PROM_SIZE];
unsigned int length;