diff options
| -rw-r--r-- | drivers/char/agp/intel-agp.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 6 |
2 files changed, 14 insertions, 2 deletions
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 918e484f41b7..c1c07a2ccb11 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -10,6 +10,9 @@ #include <linux/agp_backend.h> #include "agp.h" +int intel_agp_enabled; +EXPORT_SYMBOL(intel_agp_enabled); + /* * If we have Intel graphics, we're not going to have anything other than * an Intel IOMMU. So make the correct use of the PCI DMA API contingent @@ -2473,7 +2476,7 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev, struct agp_bridge_data *bridge; u8 cap_ptr = 0; struct resource *r; - int i; + int i, err; cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP); @@ -2565,7 +2568,10 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev, } pci_set_drvdata(pdev, bridge); - return agp_add_bridge(bridge); + err = agp_add_bridge(bridge); + if (!err) + intel_agp_enabled = 1; + return err; } static void __devexit agp_intel_remove(struct pci_dev *pdev) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 2a9178bb2748..85ad020125c8 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -49,6 +49,7 @@ unsigned int i915_lvds_downclock = 0; module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400); static struct drm_driver driver; +extern int intel_agp_enabled; #define INTEL_VGA_DEVICE(id, info) { \ .class = PCI_CLASS_DISPLAY_VGA << 8, \ @@ -558,6 +559,11 @@ static struct drm_driver driver = { static int __init i915_init(void) { + if (!intel_agp_enabled) { + DRM_ERROR("drm/i915 can't work without intel_agp module!\n"); + return -ENODEV; + } + driver.num_ioctls = i915_max_ioctl; i915_gem_shrinker_init(); |