diff options
| -rw-r--r-- | linux-core/i915_drv.c | 17 | ||||
| -rw-r--r-- | shared-core/i915_irq.c | 20 |
2 files changed, 31 insertions, 6 deletions
diff --git a/linux-core/i915_drv.c b/linux-core/i915_drv.c index 8f51cd4d..89f089b0 100644 --- a/linux-core/i915_drv.c +++ b/linux-core/i915_drv.c @@ -560,6 +560,7 @@ static int i915_resume(struct drm_device *dev) } static int probe(struct pci_dev *pdev, const struct pci_device_id *ent); +static void remove(struct pci_dev *pdev); static struct drm_driver driver = { /* don't use mtrr's here, the Xserver or user space app should * deal with them for intel hardware. @@ -604,7 +605,7 @@ static struct drm_driver driver = { .name = DRIVER_NAME, .id_table = pciidlist, .probe = probe, - .remove = __devexit_p(drm_cleanup_pci), + .remove = remove, }, #ifdef I915_HAVE_FENCE .fence_driver = &i915_fence_driver, @@ -622,7 +623,19 @@ static struct drm_driver driver = { static int probe(struct pci_dev *pdev, const struct pci_device_id *ent) { - return drm_get_dev(pdev, ent, &driver); + int ret; + + (void) pci_enable_msi(pdev); + ret = drm_get_dev(pdev, ent, &driver); + if (ret && pdev->msi_enabled) + pci_disable_msi(pdev); + return ret; +} +static void remove(struct pci_dev *pdev) +{ + if (pdev->msi_enabled) + pci_disable_msi(pdev); + drm_cleanup_pci(pdev); } static int __init i915_init(void) diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c index 58781a4a..9ba5b00a 100644 --- a/shared-core/i915_irq.c +++ b/shared-core/i915_irq.c @@ -33,6 +33,13 @@ #define MAX_NOPID ((u32)~0) +/* + * These are the interrupts used by the driver + */ +#define I915_INTERRUPT_ENABLE_MASK (I915_USER_INTERRUPT | \ + I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | \ + I915_DISPLAY_PIPE_B_EVENT_INTERRUPT) + /** * i915_get_pipe - return the the pipe associated with a given plane * @dev: DRM device @@ -443,6 +450,8 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) u32 pipea_stats = 0, pipeb_stats = 0; int vblank = 0; + if (dev->pdev->msi_enabled) + I915_WRITE(I915REG_INT_ENABLE_R, 0); iir = I915_READ(I915REG_INT_IDENTITY_R); #if 0 DRM_DEBUG("flag=%08x\n", iir); @@ -454,6 +463,9 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) I915_READ(I915REG_INT_ENABLE_R), I915_READ(I915REG_PIPEASTAT), I915_READ(I915REG_PIPEBSTAT)); + if (dev->pdev->msi_enabled) + I915_WRITE(I915REG_INT_ENABLE_R, + I915_INTERRUPT_ENABLE_MASK); return IRQ_NONE; } @@ -498,6 +510,8 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) drm_locked_tasklet(dev, i915_vblank_tasklet); } + if (dev->pdev->msi_enabled) + I915_WRITE(I915REG_INT_ENABLE_R, I915_INTERRUPT_ENABLE_MASK); return IRQ_HANDLED; } @@ -724,11 +738,9 @@ static void i915_enable_interrupt (struct drm_device *dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - dev_priv->irq_mask_reg = (I915_USER_INTERRUPT | - I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | - I915_DISPLAY_PIPE_B_EVENT_INTERRUPT); + dev_priv->irq_mask_reg = I915_INTERRUPT_ENABLE_MASK; I915_WRITE(I915REG_INT_MASK_R, dev_priv->irq_mask_reg); - I915_WRITE(I915REG_INT_ENABLE_R, dev_priv->irq_mask_reg); + I915_WRITE(I915REG_INT_ENABLE_R, I915_INTERRUPT_ENABLE_MASK); (void) I915_READ (I915REG_INT_ENABLE_R); dev_priv->irq_enabled = 1; } |