diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_stolen.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_stolen.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index af915d041281..ad949cc30928 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -51,6 +51,10 @@ int i915_gem_stolen_insert_node_in_range(struct drm_i915_private *dev_priv, if (!drm_mm_initialized(&dev_priv->mm.stolen)) return -ENODEV; + /* WaSkipStolenMemoryFirstPage:bdw+ */ + if (INTEL_GEN(dev_priv) >= 8 && start < 4096) + start = 4096; + mutex_lock(&dev_priv->mm.stolen_lock); ret = drm_mm_insert_node_in_range(&dev_priv->mm.stolen, node, size, alignment, 0, @@ -343,7 +347,6 @@ int i915_gem_init_stolen(struct drm_i915_private *dev_priv) { resource_size_t reserved_base, stolen_top; resource_size_t reserved_total, reserved_size; - resource_size_t stolen_usable_start; mutex_init(&dev_priv->mm.stolen_lock); @@ -435,17 +438,11 @@ int i915_gem_init_stolen(struct drm_i915_private *dev_priv) (u64)resource_size(&dev_priv->dsm) >> 10, ((u64)resource_size(&dev_priv->dsm) - reserved_total) >> 10); - stolen_usable_start = 0; - /* WaSkipStolenMemoryFirstPage:bdw+ */ - if (INTEL_GEN(dev_priv) >= 8) - stolen_usable_start = 4096; - dev_priv->stolen_usable_size = - resource_size(&dev_priv->dsm) - reserved_total - stolen_usable_start; + resource_size(&dev_priv->dsm) - reserved_total; /* Basic memrange allocator for stolen space. */ - drm_mm_init(&dev_priv->mm.stolen, stolen_usable_start, - dev_priv->stolen_usable_size); + drm_mm_init(&dev_priv->mm.stolen, 0, dev_priv->stolen_usable_size); return 0; } |