Michel Thierry <michel.thierry@xxxxxxxxx> writes: > These are the last remining patches to enable dynamic allocation in gen8+. > All credit to Ben's original design and Mika's extensive reviews. > > During stress testing, the light restore context corruption problem was > observed in some systems (resubmission with HEAD==TAIL). The workaround to > prevent to prevent this known problem should be in place as we also update > the PDPx registers before the context is send to execution. > > The last patch is only of interest in systems with less than 4GB of memory. > Now that the PPGTT table overhead is not that big, we can use the full virtual > space address range in these systems. > > Michel Thierry (13): > drm/i915: Remove _entry from PPGTT page structures > drm/i915: Remove unnecessary gen8_ppgtt_unmap_pages > drm/i915/gen8: Initialize page tables > drm/i915/gen8: Add dynamic allocation macros and helper functions > drm/i915/gen8: page directories rework allocation > drm/i915/gen8: pagetable allocation rework > drm/i915/gen8: Update pdp switch and point unused PDPs to scratch page > drm/i915: num_pd_pages/num_pd_entries isn't useful > drm/i915: Extract PPGTT param from page_directory alloc > drm/i915/gen8: Split out mappings > drm/i915/gen8: begin bitmap tracking > drm/i915/gen8: Dynamic page table allocations > drm/i915: Use complete address space in true PPGTT > Patches 1-13, Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx> > drivers/gpu/drm/i915/i915_debugfs.c | 2 - > drivers/gpu/drm/i915/i915_gem_gtt.c | 620 +++++++++++++++++++++++------------- > drivers/gpu/drm/i915/i915_gem_gtt.h | 82 ++++- > drivers/gpu/drm/i915/i915_trace.h | 4 +- > drivers/gpu/drm/i915/intel_lrc.c | 40 ++- > 5 files changed, 504 insertions(+), 244 deletions(-) > > -- > 2.1.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
