From: Patrik Jakobsson Date: Tue, 29 Nov 2011 22:20:07 +0000 (+0000) Subject: gma500: Only register interrupt handler for poulsbo hardware X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e036ba5914df8a6c2ce665ba4631fe1f17f4cc2b;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git gma500: Only register interrupt handler for poulsbo hardware 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 Signed-off-by: Alan Cox Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c index 4a72747e8602..bcf420a163d4 100644 --- a/drivers/gpu/drm/gma500/psb_drv.c +++ b/drivers/gpu/drm/gma500/psb_drv.c @@ -368,7 +368,7 @@ 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; diff --git a/drivers/gpu/drm/gma500/psb_drv.h b/drivers/gpu/drm/gma500/psb_drv.h index 5e6171ab8824..958403c1cb8d 100644 --- a/drivers/gpu/drm/gma500/psb_drv.h +++ b/drivers/gpu/drm/gma500/psb_drv.h @@ -42,6 +42,7 @@ 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)