diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/psb_irq.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/psb_irq.c | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/drivers/gpu/drm/gma500/psb_irq.c b/drivers/gpu/drm/gma500/psb_irq.c index e6e6d61bbeab..d421031462df 100644 --- a/drivers/gpu/drm/gma500/psb_irq.c +++ b/drivers/gpu/drm/gma500/psb_irq.c @@ -228,7 +228,7 @@ static irqreturn_t gma_irq_handler(int irq, void *arg) vdc_stat &= dev_priv->vdc_irq_mask; spin_unlock(&dev_priv->irqmask_lock); - if (dsp_int && gma_power_is_on(dev)) { + if (dsp_int) { gma_vdc_interrupt(dev, vdc_stat); handled = 1; } @@ -264,13 +264,12 @@ void gma_irq_preinstall(struct drm_device *dev) spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); - if (gma_power_is_on(dev)) { - PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM); - PSB_WVDC32(0x00000000, PSB_INT_MASK_R); - PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R); - PSB_WSGX32(0x00000000, PSB_CR_EVENT_HOST_ENABLE); - PSB_RSGX32(PSB_CR_EVENT_HOST_ENABLE); - } + PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM); + PSB_WVDC32(0x00000000, PSB_INT_MASK_R); + PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R); + PSB_WSGX32(0x00000000, PSB_CR_EVENT_HOST_ENABLE); + PSB_RSGX32(PSB_CR_EVENT_HOST_ENABLE); + if (dev->vblank[0].enabled) dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEA_FLAG; if (dev->vblank[1].enabled) @@ -316,17 +315,24 @@ void gma_irq_postinstall(struct drm_device *dev) spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); } -int gma_irq_install(struct drm_device *dev, unsigned int irq) +int gma_irq_install(struct drm_device *dev) { + struct drm_psb_private *dev_priv = to_drm_psb_private(dev); + struct pci_dev *pdev = to_pci_dev(dev->dev); int ret; - if (irq == IRQ_NOTCONNECTED) + if (dev_priv->use_msi && pci_enable_msi(pdev)) { + dev_warn(dev->dev, "Enabling MSI failed!\n"); + dev_priv->use_msi = false; + } + + if (pdev->irq == IRQ_NOTCONNECTED) return -ENOTCONN; gma_irq_preinstall(dev); /* PCI devices require shared interrupts. */ - ret = request_irq(irq, gma_irq_handler, IRQF_SHARED, dev->driver->name, dev); + ret = request_irq(pdev->irq, gma_irq_handler, IRQF_SHARED, dev->driver->name, dev); if (ret) return ret; @@ -369,6 +375,8 @@ void gma_irq_uninstall(struct drm_device *dev) spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); free_irq(pdev->irq, dev); + if (dev_priv->use_msi) + pci_disable_msi(pdev); } int gma_crtc_enable_vblank(struct drm_crtc *crtc) |