diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 24a23b31b55..215d72ce3f6 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -738,8 +738,10 @@ static int gen6_gmch_probe(struct drm_device *dev, *gtt_total = (gtt_size / sizeof(gtt_pte_t)) << PAGE_SHIFT; - /* For GEN6+ the PTEs for the ggtt live at 2MB + BAR0 */ - gtt_bus_addr = pci_resource_start(dev->pdev, 0) + (2<<20); + /* For Modern GENs the PTEs and register space are split in the BAR */ + gtt_bus_addr = pci_resource_start(dev->pdev, 0) + + (pci_resource_len(dev->pdev, 0) / 2); + dev_priv->gtt.gsm = ioremap_wc(gtt_bus_addr, gtt_size); if (!dev_priv->gtt.gsm) { DRM_ERROR("Failed to map the gtt page table\n"); |