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drm/nouveau: use mutex for vbios lock

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs
2010-02-16 11:14:14 +10:00
parent 13876c6e5f
commit d9184fa97b
2 changed files with 4 additions and 5 deletions
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7
drivers/gpu/drm/nouveau/nouveau_bios.c
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@@ -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 drm_nouveau_private *dev_priv = dev->dev_private;
struct nvbios *bios = &dev_priv->VBIOS; struct nvbios *bios = &dev_priv->VBIOS;
struct init_exec iexec = { true, false }; struct init_exec iexec = { true, false };
unsigned long flags;
spin_lock_irqsave(&bios->lock, flags); mutex_lock(&bios->lock);
bios->display.output = dcbent; bios->display.output = dcbent;
parse_init_table(bios, table, &iexec); parse_init_table(bios, table, &iexec);
bios->display.output = NULL; bios->display.output = NULL;
spin_unlock_irqrestore(&bios->lock, flags); mutex_unlock(&bios->lock);
} }
static bool NVInitVBIOS(struct drm_device *dev) static bool NVInitVBIOS(struct drm_device *dev)
@@ -5876,7 +5875,7 @@ static bool NVInitVBIOS(struct drm_device *dev)
struct nvbios *bios = &dev_priv->VBIOS; struct nvbios *bios = &dev_priv->VBIOS;
memset(bios, 0, sizeof(struct nvbios)); memset(bios, 0, sizeof(struct nvbios));
spin_lock_init(&bios->lock); mutex_init(&bios->lock);
bios->dev = dev; bios->dev = dev;
if (!NVShadowVBIOS(dev, bios->data)) if (!NVShadowVBIOS(dev, bios->data))

2
drivers/gpu/drm/nouveau/nouveau_bios.h
View File

@@ -205,7 +205,7 @@ struct nvbios {
struct drm_device *dev; struct drm_device *dev;
struct nouveau_bios_info pub; struct nouveau_bios_info pub;
spinlock_t lock; struct mutex lock;
uint8_t data[NV_PROM_SIZE]; uint8_t data[NV_PROM_SIZE];
unsigned int length; unsigned int length;