From patchwork Wed Apr 19 23:00:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Yang, Fei" X-Patchwork-Id: 13217635 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BCD74C6FD18 for ; Wed, 19 Apr 2023 23:00:08 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 872F010EB50; Wed, 19 Apr 2023 23:00:01 +0000 (UTC) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 61D2E10EB36; Wed, 19 Apr 2023 22:59:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1681945186; x=1713481186; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=/AJweCLAPcbPQ8x1+mcvEgwLHVSts0gaijcbYy2Q6CA=; b=Jeu689Hsq7FlL2gZ/fQFhqFwZPF6YFnfa4p+RIGHIymDiQ7fOpaqL1pu i/pxX7UfqnVJ6Mnunb4cOMNSxKPES/4Z32O0wHTIcY5ejuwbxqp6OQQMJ yDEJPsbdXk14jA39OJyYGy7v/dKJoC7ZO5U3sjF/jkYD79G19ilwH0kKx gmbLxBcGAjtJ9VO3T6AKuxGPWiUFVFrDhgu7L4aVGZq+Dam1pm52MhXOJ uKgE282PXFjGMenzCOH1JwrIA7YRIBB3zzje7a4dvmLRSisaSZfLiYKPq VpdjNIdi6K6Z6OJ7LCZiKtk1B2WLCIplKBGZQjAPXfppRp8zWdAgRiOsN w==; X-IronPort-AV: E=McAfee;i="6600,9927,10685"; a="431858535" X-IronPort-AV: E=Sophos;i="5.99,210,1677571200"; d="scan'208";a="431858535" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Apr 2023 15:59:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10685"; a="815787127" X-IronPort-AV: E=Sophos;i="5.99,210,1677571200"; d="scan'208";a="815787127" Received: from fyang16-desk.jf.intel.com ([10.24.96.243]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Apr 2023 15:59:46 -0700 From: fei.yang@intel.com To: intel-gfx@lists.freedesktop.org Subject: [PATCH 3/8] drm/i915/mtl: Add PTE encode function Date: Wed, 19 Apr 2023 16:00:53 -0700 Message-Id: <20230419230058.2659455-4-fei.yang@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230419230058.2659455-1-fei.yang@intel.com> References: <20230419230058.2659455-1-fei.yang@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrzej Hajda , Nirmoy Das , Fei Yang , dri-devel@lists.freedesktop.org, Andi Shyti Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Fei Yang PTE encode functions are platform dependent. This patch implements PTE functions for MTL, and ensures the correct PTE encode function is used by calling pte_encode function pointer instead of the hardcoded gen8 version of PTE encode. Signed-off-by: Fei Yang Reviewed-by: Andrzej Hajda Reviewed-by: Andi Shyti Acked-by: Nirmoy Das --- drivers/gpu/drm/i915/display/intel_dpt.c | 2 +- drivers/gpu/drm/i915/gt/gen8_ppgtt.c | 45 ++++++++++++++++++++---- drivers/gpu/drm/i915/gt/intel_ggtt.c | 36 +++++++++++++++++-- 3 files changed, 72 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dpt.c b/drivers/gpu/drm/i915/display/intel_dpt.c index b8027392144d..c5eacfdba1a5 100644 --- a/drivers/gpu/drm/i915/display/intel_dpt.c +++ b/drivers/gpu/drm/i915/display/intel_dpt.c @@ -300,7 +300,7 @@ intel_dpt_create(struct intel_framebuffer *fb) vm->vma_ops.bind_vma = dpt_bind_vma; vm->vma_ops.unbind_vma = dpt_unbind_vma; - vm->pte_encode = gen8_ggtt_pte_encode; + vm->pte_encode = vm->gt->ggtt->vm.pte_encode; dpt->obj = dpt_obj; dpt->obj->is_dpt = true; diff --git a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c index 4daaa6f55668..11b91e0453c8 100644 --- a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c +++ b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c @@ -55,6 +55,34 @@ static u64 gen8_pte_encode(dma_addr_t addr, return pte; } +static u64 mtl_pte_encode(dma_addr_t addr, + enum i915_cache_level level, + u32 flags) +{ + gen8_pte_t pte = addr | GEN8_PAGE_PRESENT | GEN8_PAGE_RW; + + if (unlikely(flags & PTE_READ_ONLY)) + pte &= ~GEN8_PAGE_RW; + + if (flags & PTE_LM) + pte |= GEN12_PPGTT_PTE_LM | GEN12_PPGTT_PTE_NC; + + switch (level) { + case I915_CACHE_NONE: + pte |= GEN12_PPGTT_PTE_PAT1; + break; + case I915_CACHE_LLC: + case I915_CACHE_L3_LLC: + pte |= GEN12_PPGTT_PTE_PAT0 | GEN12_PPGTT_PTE_PAT1; + break; + case I915_CACHE_WT: + pte |= GEN12_PPGTT_PTE_PAT0; + break; + } + + return pte; +} + static void gen8_ppgtt_notify_vgt(struct i915_ppgtt *ppgtt, bool create) { struct drm_i915_private *i915 = ppgtt->vm.i915; @@ -427,7 +455,7 @@ gen8_ppgtt_insert_pte(struct i915_ppgtt *ppgtt, u32 flags) { struct i915_page_directory *pd; - const gen8_pte_t pte_encode = gen8_pte_encode(0, cache_level, flags); + const gen8_pte_t pte_encode = ppgtt->vm.pte_encode(0, cache_level, flags); gen8_pte_t *vaddr; pd = i915_pd_entry(pdp, gen8_pd_index(idx, 2)); @@ -580,7 +608,7 @@ static void gen8_ppgtt_insert_huge(struct i915_address_space *vm, enum i915_cache_level cache_level, u32 flags) { - const gen8_pte_t pte_encode = gen8_pte_encode(0, cache_level, flags); + const gen8_pte_t pte_encode = vm->pte_encode(0, cache_level, flags); unsigned int rem = sg_dma_len(iter->sg); u64 start = vma_res->start; @@ -743,7 +771,7 @@ static void gen8_ppgtt_insert_entry(struct i915_address_space *vm, GEM_BUG_ON(pt->is_compact); vaddr = px_vaddr(pt); - vaddr[gen8_pd_index(idx, 0)] = gen8_pte_encode(addr, level, flags); + vaddr[gen8_pd_index(idx, 0)] = vm->pte_encode(addr, level, flags); drm_clflush_virt_range(&vaddr[gen8_pd_index(idx, 0)], sizeof(*vaddr)); } @@ -773,7 +801,7 @@ static void __xehpsdv_ppgtt_insert_entry_lm(struct i915_address_space *vm, } vaddr = px_vaddr(pt); - vaddr[gen8_pd_index(idx, 0) / 16] = gen8_pte_encode(addr, level, flags); + vaddr[gen8_pd_index(idx, 0) / 16] = vm->pte_encode(addr, level, flags); } static void xehpsdv_ppgtt_insert_entry(struct i915_address_space *vm, @@ -820,8 +848,8 @@ static int gen8_init_scratch(struct i915_address_space *vm) pte_flags |= PTE_LM; vm->scratch[0]->encode = - gen8_pte_encode(px_dma(vm->scratch[0]), - I915_CACHE_NONE, pte_flags); + vm->pte_encode(px_dma(vm->scratch[0]), + I915_CACHE_NONE, pte_flags); for (i = 1; i <= vm->top; i++) { struct drm_i915_gem_object *obj; @@ -963,7 +991,10 @@ struct i915_ppgtt *gen8_ppgtt_create(struct intel_gt *gt, */ ppgtt->vm.alloc_scratch_dma = alloc_pt_dma; - ppgtt->vm.pte_encode = gen8_pte_encode; + if (GRAPHICS_VER_FULL(gt->i915) >= IP_VER(12, 70)) + ppgtt->vm.pte_encode = mtl_pte_encode; + else + ppgtt->vm.pte_encode = gen8_pte_encode; ppgtt->vm.bind_async_flags = I915_VMA_LOCAL_BIND; ppgtt->vm.insert_entries = gen8_ppgtt_insert; diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt.c b/drivers/gpu/drm/i915/gt/intel_ggtt.c index 3c7f1ed92f5b..20915edc8bd9 100644 --- a/drivers/gpu/drm/i915/gt/intel_ggtt.c +++ b/drivers/gpu/drm/i915/gt/intel_ggtt.c @@ -220,6 +220,33 @@ static void guc_ggtt_invalidate(struct i915_ggtt *ggtt) } } +static u64 mtl_ggtt_pte_encode(dma_addr_t addr, + enum i915_cache_level level, + u32 flags) +{ + gen8_pte_t pte = addr | GEN8_PAGE_PRESENT; + + WARN_ON_ONCE(addr & ~GEN12_GGTT_PTE_ADDR_MASK); + + if (flags & PTE_LM) + pte |= GEN12_GGTT_PTE_LM; + + switch (level) { + case I915_CACHE_NONE: + pte |= MTL_GGTT_PTE_PAT1; + break; + case I915_CACHE_LLC: + case I915_CACHE_L3_LLC: + pte |= MTL_GGTT_PTE_PAT0 | MTL_GGTT_PTE_PAT1; + break; + case I915_CACHE_WT: + pte |= MTL_GGTT_PTE_PAT0; + break; + } + + return pte; +} + u64 gen8_ggtt_pte_encode(dma_addr_t addr, enum i915_cache_level level, u32 flags) @@ -247,7 +274,7 @@ static void gen8_ggtt_insert_page(struct i915_address_space *vm, gen8_pte_t __iomem *pte = (gen8_pte_t __iomem *)ggtt->gsm + offset / I915_GTT_PAGE_SIZE; - gen8_set_pte(pte, gen8_ggtt_pte_encode(addr, level, flags)); + gen8_set_pte(pte, ggtt->vm.pte_encode(addr, level, flags)); ggtt->invalidate(ggtt); } @@ -257,8 +284,8 @@ static void gen8_ggtt_insert_entries(struct i915_address_space *vm, enum i915_cache_level level, u32 flags) { - const gen8_pte_t pte_encode = gen8_ggtt_pte_encode(0, level, flags); struct i915_ggtt *ggtt = i915_vm_to_ggtt(vm); + const gen8_pte_t pte_encode = ggtt->vm.pte_encode(0, level, flags); gen8_pte_t __iomem *gte; gen8_pte_t __iomem *end; struct sgt_iter iter; @@ -981,7 +1008,10 @@ static int gen8_gmch_probe(struct i915_ggtt *ggtt) ggtt->vm.vma_ops.bind_vma = intel_ggtt_bind_vma; ggtt->vm.vma_ops.unbind_vma = intel_ggtt_unbind_vma; - ggtt->vm.pte_encode = gen8_ggtt_pte_encode; + if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 70)) + ggtt->vm.pte_encode = mtl_ggtt_pte_encode; + else + ggtt->vm.pte_encode = gen8_ggtt_pte_encode; return ggtt_probe_common(ggtt, size); }