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Commit d9184fa9 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau: use mutex for vbios lock 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 13876c6e

drivers/gpu/drm/nouveau/nouveau_bios.c

+3 −4
Original line number Diff line number Diff line
@@ -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))

drivers/gpu/drm/nouveau/nouveau_bios.h

+1 −1
Original line number Diff line number Diff line
@@ -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;