diff options
| author | Ben Widawsky <ben@bwidawsk.net> | 2013-04-08 18:43:52 -0700 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-04-18 09:43:14 +0200 |
| commit | 3eb1c005c616f110ccec25540712ce7232d5d4bf (patch) | |
| tree | 3ea2b0638eeac9f51f1eb3396ad0e71fd2201770 /drivers | |
| parent | 1e7d12d46733d5a6ddf3f07a1f9ab75ec12d5a19 (diff) | |
drm/i915: Conditionally carve out GGTT PDE
It only works that way on GEN6 and GEN7. Let's not assume GENn will be
the same.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 0f214fb1a75f..b4ba488e5c83 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -623,9 +623,12 @@ void i915_gem_init_global_gtt(struct drm_device *dev) if (intel_enable_ppgtt(dev) && HAS_ALIASING_PPGTT(dev)) { int ret; - /* PPGTT pdes are stolen from global gtt ptes, so shrink the - * aperture accordingly when using aliasing ppgtt. */ - gtt_size -= I915_PPGTT_PD_ENTRIES*PAGE_SIZE; + + if (INTEL_INFO(dev)->gen <= 7) { + /* PPGTT pdes are stolen from global gtt ptes, so shrink the + * aperture accordingly when using aliasing ppgtt. */ + gtt_size -= I915_PPGTT_PD_ENTRIES*PAGE_SIZE; + } i915_gem_setup_global_gtt(dev, 0, mappable_size, gtt_size); |