diff options
| author | Ben Widawsky <benjamin.widawsky@intel.com> | 2014-03-18 16:06:05 -0700 |
|---|---|---|
| committer | Ben Widawsky <benjamin.widawsky@intel.com> | 2014-03-18 16:08:07 -0700 |
| commit | 617afec8be45e2605ba14261a1cfde2c2c8a9a3c (patch) | |
| tree | 335163e68de144ce5c534385990d6f1780e0cd02 | |
| parent | 31dac197fde996d7ed8e995802270798948a0950 (diff) | |
drm/i915/bdw: Restore PPAT on thawbroadwell-ww12.3
Apparently it is wiped out from under us, and we get some really fun
caching artifacts upon resume (it seems to be WB for all types by
default).
Reported-by: James Ausmus <james.ausmus@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index bd016e2f84bc..1b45a04a3a01 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -30,6 +30,8 @@ #include "i915_trace.h" #include "intel_drv.h" +static void gen8_setup_private_ppat(struct drm_i915_private *dev_priv); + bool intel_enable_ppgtt(struct drm_device *dev, bool full) { if (i915.enable_ppgtt == 0 || !HAS_ALIASING_PPGTT(dev)) @@ -1371,8 +1373,10 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev) } - if (INTEL_INFO(dev)->gen >= 8) + if (INTEL_INFO(dev)->gen >= 8) { + gen8_setup_private_ppat(dev_priv); return; + } list_for_each_entry(vm, &dev_priv->vm_list, global_link) { /* TODO: Perhaps it shouldn't be gen6 specific */ |