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gma500: Only register interrupt handler for poulsbo hardware

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First step in adding proper irq handling. We'll start with poulsbo support so
make sure other chips don't touch drm_irq_install().

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Patrik Jakobsson 2011-08-26 11:17:42 +01:00 committed by Greg Kroah-Hartman
parent 99c978529a
commit ee8cc854e6
2 changed files with 2 additions and 1 deletions
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2
drivers/staging/gma500/psb_drv.c
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@ -410,7 +410,7 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
if (drm_core_check_feature(dev, DRIVER_MODESET))
if (IS_PSB(dev) && drm_core_check_feature(dev, DRIVER_MODESET))
drm_irq_install(dev);
dev->vblank_disable_allowed = 1;

1
drivers/staging/gma500/psb_drv.h
View file

@ -43,6 +43,7 @@ enum {
CHIP_MFLD_0130 = 3, /* Medfield */
};
#define IS_PSB(dev) (((dev)->pci_device & 0xfffe) == 0x8108)
#define IS_MRST(dev) (((dev)->pci_device & 0xfffc) == 0x4100)
#define IS_MFLD(dev) (((dev)->pci_device & 0xfff8) == 0x0130)