From: Chris Wilson Date: Mon, 6 Feb 2017 08:45:45 +0000 (+0000) Subject: drm/i915: Manipulate the Global GTT size using I915_GTT_PAGE_SIZE X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=b196fbc719871e2746e71ac9e62cde2262555c9b;p=openwrt%2Fstaging%2Fblogic.git drm/i915: Manipulate the Global GTT size using I915_GTT_PAGE_SIZE I incorrectly converted the exclusion of the last 4096 bytes (that avoids any potential prefetching past the end of the GTT) to PAGE_SIZE and not to I915_GTT_PAGE_SIZE as it should be. Signed-off-by: Chris Wilson Link: http://patchwork.freedesktop.org/patch/msgid/20170206084547.27921-1-chris@chris-wilson.co.uk Reviewed-by: Matthew Auld --- diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index c567b34800cf..5cf1ac4f070b 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -3243,9 +3243,9 @@ int i915_ggtt_init_hw(struct drm_i915_private *dev_priv) * shrink the range used by drm_mm. */ mutex_lock(&dev_priv->drm.struct_mutex); - ggtt->base.total -= PAGE_SIZE; + ggtt->base.total -= I915_GTT_PAGE_SIZE; i915_address_space_init(&ggtt->base, dev_priv, "[global]"); - ggtt->base.total += PAGE_SIZE; + ggtt->base.total += I915_GTT_PAGE_SIZE; if (!HAS_LLC(dev_priv)) ggtt->base.mm.color_adjust = i915_gtt_color_adjust; mutex_unlock(&dev_priv->drm.struct_mutex);