From: Chris Wilson Date: Tue, 30 Jul 2013 18:04:37 +0000 (+0100) Subject: drm/i915: Use the same pte_encoding for ppgtt as for gtt X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=08c45263a62af33348e674765710cb49dd3959e0;p=linux-beck.git drm/i915: Use the same pte_encoding for ppgtt as for gtt The PTE layouts are the same for both ppgtt and gtt, so we can simplify the setup for ppgtt by copying the encoding function pointer from gtt. This prevents bugs where we update one function pointer, but forget the other. For instance, commit 4d15c145a6234d999c0452eec0d275c1fbf0688c Author: Ben Widawsky Date: Thu Jul 4 11:02:06 2013 -0700 drm/i915: Use eLLC/LLC by default when available only extends the gtt to use eLLC/LLC cacheing and forgets to also update the ppgtt function pointer. v2: Actually mention the bug being fixed (Kenneth) Signed-off-by: Chris Wilson Reviewed-by: Kenneth Graunke Signed-off-by: Ben Widawsky Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 3b639a94dddf..e7b420495516 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -298,13 +298,7 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt) * now. */ first_pd_entry_in_global_pt = gtt_total_entries(dev_priv->gtt); - if (IS_HASWELL(dev)) { - ppgtt->base.pte_encode = hsw_pte_encode; - } else if (IS_VALLEYVIEW(dev)) { - ppgtt->base.pte_encode = byt_pte_encode; - } else { - ppgtt->base.pte_encode = gen6_pte_encode; - } + ppgtt->base.pte_encode = dev_priv->gtt.base.pte_encode; ppgtt->num_pd_entries = GEN6_PPGTT_PD_ENTRIES; ppgtt->enable = gen6_ppgtt_enable; ppgtt->base.clear_range = gen6_ppgtt_clear_range;