> -----Original Message----- > From: Intel-gfx [mailto:intel-gfx-boun...@lists.freedesktop.org] On Behalf > Of Daniel Vetter > Sent: Wednesday, July 30, 2014 8:42 PM > To: Intel Graphics Development > Cc: Daniel Vetter > Subject: [Intel-gfx] [PATCH 5/7] drm/i915: Initialize the aliasing ppgtt as part > of global gtt > > Stuffing this into the context setup code doesn't make a lot of sense. > Also reusing the real ppgtt setup code makes even less sense since the > aliasing ppgtt isn't a real address space. Leaving all that stuff > unitialized will make sure that we catch any abusers promptly. > > This is also a prep work to clean up the context->ppgtt link. > > Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch> > --- > drivers/gpu/drm/i915/i915_gem_context.c | 13 +------------ > drivers/gpu/drm/i915/i915_gem_gtt.c | 31 > +++++++++++++++++++++++++------ > 2 files changed, 26 insertions(+), 18 deletions(-) > > @@ -1766,6 +1771,20 @@ int i915_gem_setup_global_gtt(struct drm_device > *dev, > /* And finally clear the reserved guard page */ > ggtt_vm->clear_range(ggtt_vm, end - PAGE_SIZE, PAGE_SIZE, true); > > + if (HAS_ALIASING_PPGTT(dev) && USES_FULL_PPGTT(dev)) { > + struct i915_hw_ppgtt *ppgtt; > + > + ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL); > + if (!ppgtt) > + return -ENOMEM; > + > + ret = __hw_ppgtt_init(dev, ppgtt); > + if (!ret) __hw_ppgtt_init will return '0' if successful. > + return ret; > + > + dev_priv->mm.aliasing_ppgtt = ppgtt; > + } > + > return 0; > } > > -- > 1.9.3 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
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