diff options
| -rw-r--r-- | drivers/char/agp/intel-gtt.c | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 8 |
2 files changed, 18 insertions, 1 deletions
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index f804325a735e..d22ffb811bf2 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -25,6 +25,10 @@ #define USE_PCI_DMA_API 1 #endif +/* Max amount of stolen space, anything above will be returned to Linux */ +int intel_max_stolen = 32 * 1024 * 1024; +EXPORT_SYMBOL(intel_max_stolen); + static const struct aper_size_info_fixed intel_i810_sizes[] = { {64, 16384, 4}, @@ -713,7 +717,12 @@ static void intel_i830_init_gtt_entries(void) break; } } - if (gtt_entries > 0) { + if (!local && gtt_entries > intel_max_stolen) { + dev_info(&agp_bridge->dev->dev, + "detected %dK stolen memory, trimming to %dK\n", + gtt_entries / KB(1), intel_max_stolen / KB(1)); + gtt_entries = intel_max_stolen / KB(4); + } else if (gtt_entries > 0) { dev_info(&agp_bridge->dev->dev, "detected %dK %s memory\n", gtt_entries / KB(1), local ? "local" : "stolen"); gtt_entries /= KB(4); diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 14054c051e40..f19ffe87af3c 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -41,6 +41,8 @@ #include <linux/vga_switcheroo.h> #include <linux/slab.h> +extern int intel_max_stolen; /* from AGP driver */ + /** * Sets up the hardware status page for devices that need a physical address * in the register. @@ -2106,6 +2108,12 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) if (ret) goto out_iomapfree; + if (prealloc_size > intel_max_stolen) { + DRM_INFO("detected %dM stolen memory, trimming to %dM\n", + prealloc_size >> 20, intel_max_stolen >> 20); + prealloc_size = intel_max_stolen; + } + dev_priv->wq = create_singlethread_workqueue("i915"); if (dev_priv->wq == NULL) { DRM_ERROR("Failed to create our workqueue.\n"); |