diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 111 |
1 files changed, 63 insertions, 48 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 61fc7e90a7da..6c6b8e8592aa 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -144,9 +144,9 @@ int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv, has_full_48bit_ppgtt = dev_priv->info.has_full_48bit_ppgtt; if (intel_vgpu_active(dev_priv)) { - /* emulation is too hard */ + /* GVT-g has no support for 32bit ppgtt */ has_full_ppgtt = false; - has_full_48bit_ppgtt = false; + has_full_48bit_ppgtt = intel_vgpu_has_full_48bit_ppgtt(dev_priv); } if (!has_aliasing_ppgtt) @@ -180,10 +180,15 @@ int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv, return 0; } - if (INTEL_GEN(dev_priv) >= 8 && i915.enable_execlists && has_full_ppgtt) - return has_full_48bit_ppgtt ? 3 : 2; - else - return has_aliasing_ppgtt ? 1 : 0; + if (INTEL_GEN(dev_priv) >= 8 && i915.enable_execlists) { + if (has_full_48bit_ppgtt) + return 3; + + if (has_full_ppgtt) + return 2; + } + + return has_aliasing_ppgtt ? 1 : 0; } static int ppgtt_bind_vma(struct i915_vma *vma, @@ -207,8 +212,7 @@ static int ppgtt_bind_vma(struct i915_vma *vma, if (vma->obj->gt_ro) pte_flags |= PTE_READ_ONLY; - vma->vm->insert_entries(vma->vm, vma->pages, vma->node.start, - cache_level, pte_flags); + vma->vm->insert_entries(vma->vm, vma, cache_level, pte_flags); return 0; } @@ -907,37 +911,35 @@ gen8_ppgtt_insert_pte_entries(struct i915_hw_ppgtt *ppgtt, } static void gen8_ppgtt_insert_3lvl(struct i915_address_space *vm, - struct sg_table *pages, - u64 start, + struct i915_vma *vma, enum i915_cache_level cache_level, u32 unused) { struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vm); struct sgt_dma iter = { - .sg = pages->sgl, + .sg = vma->pages->sgl, .dma = sg_dma_address(iter.sg), .max = iter.dma + iter.sg->length, }; - struct gen8_insert_pte idx = gen8_insert_pte(start); + struct gen8_insert_pte idx = gen8_insert_pte(vma->node.start); gen8_ppgtt_insert_pte_entries(ppgtt, &ppgtt->pdp, &iter, &idx, cache_level); } static void gen8_ppgtt_insert_4lvl(struct i915_address_space *vm, - struct sg_table *pages, - u64 start, + struct i915_vma *vma, enum i915_cache_level cache_level, u32 unused) { struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vm); struct sgt_dma iter = { - .sg = pages->sgl, + .sg = vma->pages->sgl, .dma = sg_dma_address(iter.sg), .max = iter.dma + iter.sg->length, }; struct i915_page_directory_pointer **pdps = ppgtt->pml4.pdps; - struct gen8_insert_pte idx = gen8_insert_pte(start); + struct gen8_insert_pte idx = gen8_insert_pte(vma->node.start); while (gen8_ppgtt_insert_pte_entries(ppgtt, pdps[idx.pml4e++], &iter, &idx, cache_level)) @@ -1621,13 +1623,12 @@ static void gen6_ppgtt_clear_range(struct i915_address_space *vm, } static void gen6_ppgtt_insert_entries(struct i915_address_space *vm, - struct sg_table *pages, - u64 start, + struct i915_vma *vma, enum i915_cache_level cache_level, u32 flags) { struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vm); - unsigned first_entry = start >> PAGE_SHIFT; + unsigned first_entry = vma->node.start >> PAGE_SHIFT; unsigned act_pt = first_entry / GEN6_PTES; unsigned act_pte = first_entry % GEN6_PTES; const u32 pte_encode = vm->pte_encode(0, cache_level, flags); @@ -1635,7 +1636,7 @@ static void gen6_ppgtt_insert_entries(struct i915_address_space *vm, gen6_pte_t *vaddr; vaddr = kmap_atomic_px(ppgtt->pd.page_table[act_pt]); - iter.sg = pages->sgl; + iter.sg = vma->pages->sgl; iter.dma = sg_dma_address(iter.sg); iter.max = iter.dma + iter.sg->length; do { @@ -2061,7 +2062,7 @@ int i915_gem_gtt_prepare_pages(struct drm_i915_gem_object *obj, */ GEM_BUG_ON(obj->mm.pages == pages); } while (i915_gem_shrink(to_i915(obj->base.dev), - obj->base.size >> PAGE_SHIFT, + obj->base.size >> PAGE_SHIFT, NULL, I915_SHRINK_BOUND | I915_SHRINK_UNBOUND | I915_SHRINK_ACTIVE)); @@ -2090,8 +2091,7 @@ static void gen8_ggtt_insert_page(struct i915_address_space *vm, } static void gen8_ggtt_insert_entries(struct i915_address_space *vm, - struct sg_table *st, - u64 start, + struct i915_vma *vma, enum i915_cache_level level, u32 unused) { @@ -2102,8 +2102,8 @@ static void gen8_ggtt_insert_entries(struct i915_address_space *vm, dma_addr_t addr; gtt_entries = (gen8_pte_t __iomem *)ggtt->gsm; - gtt_entries += start >> PAGE_SHIFT; - for_each_sgt_dma(addr, sgt_iter, st) + gtt_entries += vma->node.start >> PAGE_SHIFT; + for_each_sgt_dma(addr, sgt_iter, vma->pages) gen8_set_pte(gtt_entries++, pte_encode | addr); wmb(); @@ -2137,17 +2137,16 @@ static void gen6_ggtt_insert_page(struct i915_address_space *vm, * mapped BAR (dev_priv->mm.gtt->gtt). */ static void gen6_ggtt_insert_entries(struct i915_address_space *vm, - struct sg_table *st, - u64 start, + struct i915_vma *vma, enum i915_cache_level level, u32 flags) { struct i915_ggtt *ggtt = i915_vm_to_ggtt(vm); gen6_pte_t __iomem *entries = (gen6_pte_t __iomem *)ggtt->gsm; - unsigned int i = start >> PAGE_SHIFT; + unsigned int i = vma->node.start >> PAGE_SHIFT; struct sgt_iter iter; dma_addr_t addr; - for_each_sgt_dma(addr, iter, st) + for_each_sgt_dma(addr, iter, vma->pages) iowrite32(vm->pte_encode(addr, level, flags), &entries[i++]); wmb(); @@ -2229,8 +2228,7 @@ static void bxt_vtd_ggtt_insert_page__BKL(struct i915_address_space *vm, struct insert_entries { struct i915_address_space *vm; - struct sg_table *st; - u64 start; + struct i915_vma *vma; enum i915_cache_level level; }; @@ -2238,19 +2236,18 @@ static int bxt_vtd_ggtt_insert_entries__cb(void *_arg) { struct insert_entries *arg = _arg; - gen8_ggtt_insert_entries(arg->vm, arg->st, arg->start, arg->level, 0); + gen8_ggtt_insert_entries(arg->vm, arg->vma, arg->level, 0); bxt_vtd_ggtt_wa(arg->vm); return 0; } static void bxt_vtd_ggtt_insert_entries__BKL(struct i915_address_space *vm, - struct sg_table *st, - u64 start, + struct i915_vma *vma, enum i915_cache_level level, u32 unused) { - struct insert_entries arg = { vm, st, start, level }; + struct insert_entries arg = { vm, vma, level }; stop_machine(bxt_vtd_ggtt_insert_entries__cb, &arg, NULL); } @@ -2316,15 +2313,15 @@ static void i915_ggtt_insert_page(struct i915_address_space *vm, } static void i915_ggtt_insert_entries(struct i915_address_space *vm, - struct sg_table *pages, - u64 start, + struct i915_vma *vma, enum i915_cache_level cache_level, u32 unused) { unsigned int flags = (cache_level == I915_CACHE_NONE) ? AGP_USER_MEMORY : AGP_USER_CACHED_MEMORY; - intel_gtt_insert_sg_entries(pages, start >> PAGE_SHIFT, flags); + intel_gtt_insert_sg_entries(vma->pages, vma->node.start >> PAGE_SHIFT, + flags); } static void i915_ggtt_clear_range(struct i915_address_space *vm, @@ -2353,8 +2350,7 @@ static int ggtt_bind_vma(struct i915_vma *vma, pte_flags |= PTE_READ_ONLY; intel_runtime_pm_get(i915); - vma->vm->insert_entries(vma->vm, vma->pages, vma->node.start, - cache_level, pte_flags); + vma->vm->insert_entries(vma->vm, vma, cache_level, pte_flags); intel_runtime_pm_put(i915); /* @@ -2407,16 +2403,13 @@ static int aliasing_gtt_bind_vma(struct i915_vma *vma, goto err_pages; } - appgtt->base.insert_entries(&appgtt->base, - vma->pages, vma->node.start, - cache_level, pte_flags); + appgtt->base.insert_entries(&appgtt->base, vma, cache_level, + pte_flags); } if (flags & I915_VMA_GLOBAL_BIND) { intel_runtime_pm_get(i915); - vma->vm->insert_entries(vma->vm, - vma->pages, vma->node.start, - cache_level, pte_flags); + vma->vm->insert_entries(vma->vm, vma, cache_level, pte_flags); intel_runtime_pm_put(i915); } @@ -2749,6 +2742,24 @@ static int ggtt_probe_common(struct i915_ggtt *ggtt, u64 size) return 0; } +static void cnl_setup_private_ppat(struct drm_i915_private *dev_priv) +{ + /* XXX: spec is unclear if this is still needed for CNL+ */ + if (!USES_PPGTT(dev_priv)) { + I915_WRITE(GEN10_PAT_INDEX(0), GEN8_PPAT_UC); + return; + } + + I915_WRITE(GEN10_PAT_INDEX(0), GEN8_PPAT_WB | GEN8_PPAT_LLC); + I915_WRITE(GEN10_PAT_INDEX(1), GEN8_PPAT_WC | GEN8_PPAT_LLCELLC); + I915_WRITE(GEN10_PAT_INDEX(2), GEN8_PPAT_WT | GEN8_PPAT_LLCELLC); + I915_WRITE(GEN10_PAT_INDEX(3), GEN8_PPAT_UC); + I915_WRITE(GEN10_PAT_INDEX(4), GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(0)); + I915_WRITE(GEN10_PAT_INDEX(5), GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(1)); + I915_WRITE(GEN10_PAT_INDEX(6), GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(2)); + I915_WRITE(GEN10_PAT_INDEX(7), GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(3)); +} + /* The GGTT and PPGTT need a private PPAT setup in order to handle cacheability * bits. When using advanced contexts each context stores its own PAT, but * writing this data shouldn't be harmful even in those cases. */ @@ -2863,7 +2874,9 @@ static int gen8_gmch_probe(struct i915_ggtt *ggtt) ggtt->base.total = (size / sizeof(gen8_pte_t)) << PAGE_SHIFT; - if (IS_CHERRYVIEW(dev_priv) || IS_GEN9_LP(dev_priv)) + if (INTEL_GEN(dev_priv) >= 10) + cnl_setup_private_ppat(dev_priv); + else if (IS_CHERRYVIEW(dev_priv) || IS_GEN9_LP(dev_priv)) chv_setup_private_ppat(dev_priv); else bdw_setup_private_ppat(dev_priv); @@ -3145,7 +3158,9 @@ void i915_gem_restore_gtt_mappings(struct drm_i915_private *dev_priv) ggtt->base.closed = false; if (INTEL_GEN(dev_priv) >= 8) { - if (IS_CHERRYVIEW(dev_priv) || IS_GEN9_LP(dev_priv)) + if (INTEL_GEN(dev_priv) >= 10) + cnl_setup_private_ppat(dev_priv); + else if (IS_CHERRYVIEW(dev_priv) || IS_GEN9_LP(dev_priv)) chv_setup_private_ppat(dev_priv); else bdw_setup_private_ppat(dev_priv); |