On 5/22/2015 6:05 PM, Mika Kuoppala wrote:
As we use one scratch page for all ppgtt instances, we can use one scratch page table and scratch directory across all ppgtt instances, saving 2 pages + structs per ppgtt.v2: Rebase Signed-off-by: Mika Kuoppala <mika.kuopp...@intel.com> --- drivers/gpu/drm/i915/i915_gem_gtt.c | 273 +++++++++++++++++++++++------------- 1 file changed, 178 insertions(+), 95 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 61f4da0..ab113ce 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -430,6 +430,17 @@ fail_bitmap: return ERR_PTR(ret); } + +static int setup_scratch(struct i915_address_space *vm) +{ + struct i915_address_space *ggtt_vm = &to_i915(vm->dev)->gtt.base; + + if (i915_is_ggtt(vm)) + return setup_scratch_ggtt(vm); + + vm->scratch_page = ggtt_vm->scratch_page; + vm->scratch_pt = ggtt_vm->scratch_pt; + vm->scratch_pd = ggtt_vm->scratch_pd;
I'll need to change this a bit for 48b, so it doesn't happen inside setup_scratch_ggtt (scratch_pdp wouldn't make sense in ggtt); I'll still keep only 1 instance.
+ + return 0; +} +
Reviewed-by: Michel Thierry <michel.thie...@intel.com> _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
