diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gt/gen8_ppgtt.c | 50 |
1 files changed, 48 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c index 62471730266c..f574da00eff1 100644 --- a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c +++ b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c @@ -715,13 +715,56 @@ static void gen8_ppgtt_insert_entry(struct i915_address_space *vm, gen8_pdp_for_page_index(vm, idx); struct i915_page_directory *pd = i915_pd_entry(pdp, gen8_pd_index(idx, 2)); + struct i915_page_table *pt = i915_pt_entry(pd, gen8_pd_index(idx, 1)); gen8_pte_t *vaddr; - vaddr = px_vaddr(i915_pt_entry(pd, gen8_pd_index(idx, 1))); + GEM_BUG_ON(pt->is_compact); + + vaddr = px_vaddr(pt); vaddr[gen8_pd_index(idx, 0)] = gen8_pte_encode(addr, level, flags); clflush_cache_range(&vaddr[gen8_pd_index(idx, 0)], sizeof(*vaddr)); } +static void __xehpsdv_ppgtt_insert_entry_lm(struct i915_address_space *vm, + dma_addr_t addr, + u64 offset, + enum i915_cache_level level, + u32 flags) +{ + u64 idx = offset >> GEN8_PTE_SHIFT; + struct i915_page_directory * const pdp = + gen8_pdp_for_page_index(vm, idx); + struct i915_page_directory *pd = + i915_pd_entry(pdp, gen8_pd_index(idx, 2)); + struct i915_page_table *pt = i915_pt_entry(pd, gen8_pd_index(idx, 1)); + gen8_pte_t *vaddr; + + GEM_BUG_ON(!IS_ALIGNED(addr, SZ_64K)); + GEM_BUG_ON(!IS_ALIGNED(offset, SZ_64K)); + + if (!pt->is_compact) { + vaddr = px_vaddr(pd); + vaddr[gen8_pd_index(idx, 1)] |= GEN12_PDE_64K; + pt->is_compact = true; + } + + vaddr = px_vaddr(pt); + vaddr[gen8_pd_index(idx, 0) / 16] = gen8_pte_encode(addr, level, flags); +} + +static void xehpsdv_ppgtt_insert_entry(struct i915_address_space *vm, + dma_addr_t addr, + u64 offset, + enum i915_cache_level level, + u32 flags) +{ + if (flags & PTE_LM) + return __xehpsdv_ppgtt_insert_entry_lm(vm, addr, offset, + level, flags); + + return gen8_ppgtt_insert_entry(vm, addr, offset, level, flags); +} + static int gen8_init_scratch(struct i915_address_space *vm) { u32 pte_flags; @@ -921,7 +964,10 @@ struct i915_ppgtt *gen8_ppgtt_create(struct intel_gt *gt, ppgtt->vm.bind_async_flags = I915_VMA_LOCAL_BIND; ppgtt->vm.insert_entries = gen8_ppgtt_insert; - ppgtt->vm.insert_page = gen8_ppgtt_insert_entry; + if (HAS_64K_PAGES(gt->i915)) + ppgtt->vm.insert_page = xehpsdv_ppgtt_insert_entry; + else + ppgtt->vm.insert_page = gen8_ppgtt_insert_entry; ppgtt->vm.allocate_va_range = gen8_ppgtt_alloc; ppgtt->vm.clear_range = gen8_ppgtt_clear; ppgtt->vm.foreach = gen8_ppgtt_foreach; |