From patchwork Thu Jul 27 14:54:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Tvrtko Ursulin X-Patchwork-Id: 13330214 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 B8D80C001E0 for ; Thu, 27 Jul 2023 14:55:29 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DBB0810E5A6; Thu, 27 Jul 2023 14:55:24 +0000 (UTC) Received: from mgamail.intel.com (unknown [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9509A10E5A1; Thu, 27 Jul 2023 14:55:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1690469721; x=1722005721; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=RuFboNHj7PdcR0a4ds+19URJ0ay46wjEH2vihc0Smqg=; b=U43Rd8dUqmDAGWt62c+mNcv6vFc9KTR0pbI0QaoQEUIoxeeCa60SwiFe yI0m0ODuryRawe+nRsiykVsAglXs/645l5EtiHQJoPxieP2OpwywiADE/ +dx4VfXyTOrZvV9hkfwitczMpHSyaGW0hz3mIhVNk9veYAsvSwiFereCO u2wI5GH6BBC2MitBXU27gO5fZulewFeEgfh9O2wfKDUrlZ8O9ubCD2itN v6O7dJhaLe8kumxxhQeEcxQouBJ53bTAFBaAsjkB8yP98jGFtJt3FYeI1 RYlktkcNHNZAPtQ4qhJT+aKh7oz+vMjkc3xnS9YbYOKvM7BPq4xY1C+NG A==; X-IronPort-AV: E=McAfee;i="6600,9927,10784"; a="399268396" X-IronPort-AV: E=Sophos;i="6.01,235,1684825200"; d="scan'208";a="399268396" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jul 2023 07:55:21 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.01,202,1684825200"; d="scan'208";a="870433726" Received: from jlenehan-mobl1.ger.corp.intel.com (HELO localhost.localdomain) ([10.213.228.208]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jul 2023 07:55:21 -0700 From: Tvrtko Ursulin To: Intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [RFC 3/8] drm/i915: Cache PAT index used by the driver Date: Thu, 27 Jul 2023 15:54:59 +0100 Message-Id: <20230727145504.1919316-4-tvrtko.ursulin@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230727145504.1919316-1-tvrtko.ursulin@linux.intel.com> References: <20230727145504.1919316-1-tvrtko.ursulin@linux.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: Matt Roper , Fei Yang , Tvrtko Ursulin Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Tvrtko Ursulin Eliminate a bunch of runtime calls to i915_gem_get_pat_index() by caching the interesting PAT indices in struct drm_i915_private. They are static per platfrom so no need to consult a function every time. Signed-off-by: Tvrtko Ursulin Cc: Matt Roper Cc: Fei Yang --- drivers/gpu/drm/i915/Makefile | 1 + .../gpu/drm/i915/gem/i915_gem_execbuffer.c | 3 +-- drivers/gpu/drm/i915/gem/i915_gem_stolen.c | 7 ++--- drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c | 26 ++++++++++++------- .../gpu/drm/i915/gem/selftests/huge_pages.c | 2 +- drivers/gpu/drm/i915/gt/gen6_ppgtt.c | 4 +-- drivers/gpu/drm/i915/gt/gen8_ppgtt.c | 4 +-- drivers/gpu/drm/i915/gt/intel_ggtt.c | 8 ++---- drivers/gpu/drm/i915/gt/intel_migrate.c | 11 +++----- drivers/gpu/drm/i915/gt/selftest_migrate.c | 9 +++---- drivers/gpu/drm/i915/gt/selftest_reset.c | 14 +++------- drivers/gpu/drm/i915/gt/selftest_tlb.c | 5 ++-- drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c | 8 ++---- drivers/gpu/drm/i915/i915_cache.c | 18 +++++++++++++ drivers/gpu/drm/i915/i915_cache.h | 13 ++++++++++ drivers/gpu/drm/i915/i915_driver.c | 3 +++ drivers/gpu/drm/i915/i915_drv.h | 2 ++ drivers/gpu/drm/i915/i915_gem.c | 8 ++---- drivers/gpu/drm/i915/i915_gpu_error.c | 8 ++---- drivers/gpu/drm/i915/selftests/i915_gem.c | 5 +--- .../gpu/drm/i915/selftests/i915_gem_evict.c | 4 +-- drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 11 +++----- .../drm/i915/selftests/intel_memory_region.c | 4 +-- .../gpu/drm/i915/selftests/mock_gem_device.c | 2 ++ 24 files changed, 89 insertions(+), 91 deletions(-) create mode 100644 drivers/gpu/drm/i915/i915_cache.c create mode 100644 drivers/gpu/drm/i915/i915_cache.h diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index c5fc91cd58e7..905a51a16588 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -35,6 +35,7 @@ subdir-ccflags-y += -I$(srctree)/$(src) # core driver code i915-y += i915_driver.o \ i915_drm_client.o \ + i915_cache.o \ i915_config.o \ i915_getparam.o \ i915_ioctl.o \ diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index 5a687a3686bd..0a1d40220020 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -1330,8 +1330,7 @@ static void *reloc_iomap(struct i915_vma *batch, ggtt->vm.insert_page(&ggtt->vm, i915_gem_object_get_dma_address(obj, page), offset, - i915_gem_get_pat_index(ggtt->vm.i915, - I915_CACHE_NONE), + eb->i915->pat_uc, 0); } else { offset += page << PAGE_SHIFT; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c index 5b0a5cf9a98a..1c8eb806b7d3 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c @@ -563,11 +563,8 @@ static void dbg_poison(struct i915_ggtt *ggtt, while (size) { void __iomem *s; - ggtt->vm.insert_page(&ggtt->vm, addr, - ggtt->error_capture.start, - i915_gem_get_pat_index(ggtt->vm.i915, - I915_CACHE_NONE), - 0); + ggtt->vm.insert_page(&ggtt->vm, addr, ggtt->error_capture.start, + ggtt->vm.i915->pat_uc, 0); mb(); s = io_mapping_map_wc(&ggtt->iomap, diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c index 7078af2f8f79..6bd6c239f4ac 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c @@ -58,6 +58,16 @@ i915_ttm_cache_level(struct drm_i915_private *i915, struct ttm_resource *res, I915_CACHE_NONE; } +static unsigned int +i915_ttm_cache_pat(struct drm_i915_private *i915, struct ttm_resource *res, + struct ttm_tt *ttm) +{ + return ((HAS_LLC(i915) || HAS_SNOOP(i915)) && + !i915_ttm_gtt_binds_lmem(res) && + ttm->caching == ttm_cached) ? i915->pat_wb : + i915->pat_uc; +} + static struct intel_memory_region * i915_ttm_region(struct ttm_device *bdev, int ttm_mem_type) { @@ -196,7 +206,7 @@ static struct dma_fence *i915_ttm_accel_move(struct ttm_buffer_object *bo, struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo); struct i915_request *rq; struct ttm_tt *src_ttm = bo->ttm; - enum i915_cache_level src_level, dst_level; + unsigned int src_pat, dst_pat; int ret; if (!to_gt(i915)->migrate.context || intel_gt_is_wedged(to_gt(i915))) @@ -206,16 +216,15 @@ static struct dma_fence *i915_ttm_accel_move(struct ttm_buffer_object *bo, if (I915_SELFTEST_ONLY(fail_gpu_migration)) clear = true; - dst_level = i915_ttm_cache_level(i915, dst_mem, dst_ttm); + dst_pat = i915_ttm_cache_pat(i915, dst_mem, dst_ttm); if (clear) { if (bo->type == ttm_bo_type_kernel && !I915_SELFTEST_ONLY(fail_gpu_migration)) return ERR_PTR(-EINVAL); intel_engine_pm_get(to_gt(i915)->migrate.context->engine); - ret = intel_context_migrate_clear(to_gt(i915)->migrate.context, deps, - dst_st->sgl, - i915_gem_get_pat_index(i915, dst_level), + ret = intel_context_migrate_clear(to_gt(i915)->migrate.context, + deps, dst_st->sgl, dst_pat, i915_ttm_gtt_binds_lmem(dst_mem), 0, &rq); } else { @@ -225,14 +234,13 @@ static struct dma_fence *i915_ttm_accel_move(struct ttm_buffer_object *bo, if (IS_ERR(src_rsgt)) return ERR_CAST(src_rsgt); - src_level = i915_ttm_cache_level(i915, bo->resource, src_ttm); + src_pat = i915_ttm_cache_pat(i915, bo->resource, src_ttm); intel_engine_pm_get(to_gt(i915)->migrate.context->engine); ret = intel_context_migrate_copy(to_gt(i915)->migrate.context, deps, src_rsgt->table.sgl, - i915_gem_get_pat_index(i915, src_level), + src_pat, i915_ttm_gtt_binds_lmem(bo->resource), - dst_st->sgl, - i915_gem_get_pat_index(i915, dst_level), + dst_st->sgl, dst_pat, i915_ttm_gtt_binds_lmem(dst_mem), &rq); diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c index 6b9f6cf50bf6..6bddd733d796 100644 --- a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c +++ b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c @@ -354,7 +354,7 @@ fake_huge_pages_object(struct drm_i915_private *i915, u64 size, bool single) obj->write_domain = I915_GEM_DOMAIN_CPU; obj->read_domains = I915_GEM_DOMAIN_CPU; - obj->pat_index = i915_gem_get_pat_index(i915, I915_CACHE_NONE); + obj->pat_index = i915->pat_uc; return obj; } diff --git a/drivers/gpu/drm/i915/gt/gen6_ppgtt.c b/drivers/gpu/drm/i915/gt/gen6_ppgtt.c index c2bdc133c89a..fb69f667652a 100644 --- a/drivers/gpu/drm/i915/gt/gen6_ppgtt.c +++ b/drivers/gpu/drm/i915/gt/gen6_ppgtt.c @@ -226,9 +226,7 @@ static int gen6_ppgtt_init_scratch(struct gen6_ppgtt *ppgtt) return ret; vm->scratch[0]->encode = - vm->pte_encode(px_dma(vm->scratch[0]), - i915_gem_get_pat_index(vm->i915, - I915_CACHE_NONE), + vm->pte_encode(px_dma(vm->scratch[0]), vm->i915->pat_uc, PTE_READ_ONLY); vm->scratch[1] = vm->alloc_pt_dma(vm, I915_GTT_PAGE_SIZE_4K); diff --git a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c index 862ac1d2de25..675f71f06e89 100644 --- a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c +++ b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c @@ -874,9 +874,7 @@ static int gen8_init_scratch(struct i915_address_space *vm) pte_flags |= PTE_LM; vm->scratch[0]->encode = - vm->pte_encode(px_dma(vm->scratch[0]), - i915_gem_get_pat_index(vm->i915, - I915_CACHE_NONE), + vm->pte_encode(px_dma(vm->scratch[0]), vm->i915->pat_uc, pte_flags); for (i = 1; i <= vm->top; i++) { diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt.c b/drivers/gpu/drm/i915/gt/intel_ggtt.c index dd0ed941441a..fca61ddca8ad 100644 --- a/drivers/gpu/drm/i915/gt/intel_ggtt.c +++ b/drivers/gpu/drm/i915/gt/intel_ggtt.c @@ -921,9 +921,7 @@ static int ggtt_probe_common(struct i915_ggtt *ggtt, u64 size) pte_flags |= PTE_LM; ggtt->vm.scratch[0]->encode = - ggtt->vm.pte_encode(px_dma(ggtt->vm.scratch[0]), - i915_gem_get_pat_index(i915, - I915_CACHE_NONE), + ggtt->vm.pte_encode(px_dma(ggtt->vm.scratch[0]), i915->pat_uc, pte_flags); return 0; @@ -1298,9 +1296,7 @@ bool i915_ggtt_resume_vm(struct i915_address_space *vm) */ vma->resource->bound_flags = 0; vma->ops->bind_vma(vm, NULL, vma->resource, - obj ? obj->pat_index : - i915_gem_get_pat_index(vm->i915, - I915_CACHE_NONE), + obj ? obj->pat_index : vm->i915->pat_uc, was_bound); if (obj) { /* only used during resume => exclusive access */ diff --git a/drivers/gpu/drm/i915/gt/intel_migrate.c b/drivers/gpu/drm/i915/gt/intel_migrate.c index 576e5ef0289b..b7a61b02f64c 100644 --- a/drivers/gpu/drm/i915/gt/intel_migrate.c +++ b/drivers/gpu/drm/i915/gt/intel_migrate.c @@ -45,9 +45,7 @@ static void xehpsdv_toggle_pdes(struct i915_address_space *vm, * Insert a dummy PTE into every PT that will map to LMEM to ensure * we have a correctly setup PDE structure for later use. */ - vm->insert_page(vm, 0, d->offset, - i915_gem_get_pat_index(vm->i915, I915_CACHE_NONE), - PTE_LM); + vm->insert_page(vm, 0, d->offset, vm->i915->pat_uc, PTE_LM); GEM_BUG_ON(!pt->is_compact); d->offset += SZ_2M; } @@ -65,9 +63,7 @@ static void xehpsdv_insert_pte(struct i915_address_space *vm, * alignment is 64K underneath for the pt, and we are careful * not to access the space in the void. */ - vm->insert_page(vm, px_dma(pt), d->offset, - i915_gem_get_pat_index(vm->i915, I915_CACHE_NONE), - PTE_LM); + vm->insert_page(vm, px_dma(pt), d->offset, vm->i915->pat_uc, PTE_LM); d->offset += SZ_64K; } @@ -77,8 +73,7 @@ static void insert_pte(struct i915_address_space *vm, { struct insert_pte_data *d = data; - vm->insert_page(vm, px_dma(pt), d->offset, - i915_gem_get_pat_index(vm->i915, I915_CACHE_NONE), + vm->insert_page(vm, px_dma(pt), d->offset, vm->i915->pat_uc, i915_gem_object_is_lmem(pt->base) ? PTE_LM : 0); d->offset += PAGE_SIZE; } diff --git a/drivers/gpu/drm/i915/gt/selftest_migrate.c b/drivers/gpu/drm/i915/gt/selftest_migrate.c index 3def5ca72dec..a67ede65d816 100644 --- a/drivers/gpu/drm/i915/gt/selftest_migrate.c +++ b/drivers/gpu/drm/i915/gt/selftest_migrate.c @@ -904,8 +904,7 @@ static int perf_clear_blt(void *arg) err = __perf_clear_blt(gt->migrate.context, dst->mm.pages->sgl, - i915_gem_get_pat_index(gt->i915, - I915_CACHE_NONE), + gt->i915->pat_uc, i915_gem_object_is_lmem(dst), sizes[i]); @@ -995,12 +994,10 @@ static int perf_copy_blt(void *arg) err = __perf_copy_blt(gt->migrate.context, src->mm.pages->sgl, - i915_gem_get_pat_index(gt->i915, - I915_CACHE_NONE), + gt->i915->pat_uc, i915_gem_object_is_lmem(src), dst->mm.pages->sgl, - i915_gem_get_pat_index(gt->i915, - I915_CACHE_NONE), + gt->i915->pat_uc, i915_gem_object_is_lmem(dst), sz); diff --git a/drivers/gpu/drm/i915/gt/selftest_reset.c b/drivers/gpu/drm/i915/gt/selftest_reset.c index 79aa6ac66ad2..327dc9294e0f 100644 --- a/drivers/gpu/drm/i915/gt/selftest_reset.c +++ b/drivers/gpu/drm/i915/gt/selftest_reset.c @@ -84,11 +84,8 @@ __igt_reset_stolen(struct intel_gt *gt, void __iomem *s; void *in; - ggtt->vm.insert_page(&ggtt->vm, dma, - ggtt->error_capture.start, - i915_gem_get_pat_index(gt->i915, - I915_CACHE_NONE), - 0); + ggtt->vm.insert_page(&ggtt->vm, dma, ggtt->error_capture.start, + gt->i915->pat_uc, 0); mb(); s = io_mapping_map_wc(&ggtt->iomap, @@ -127,11 +124,8 @@ __igt_reset_stolen(struct intel_gt *gt, void *in; u32 x; - ggtt->vm.insert_page(&ggtt->vm, dma, - ggtt->error_capture.start, - i915_gem_get_pat_index(gt->i915, - I915_CACHE_NONE), - 0); + ggtt->vm.insert_page(&ggtt->vm, dma, ggtt->error_capture.start, + gt->i915->pat_uc, 0); mb(); s = io_mapping_map_wc(&ggtt->iomap, diff --git a/drivers/gpu/drm/i915/gt/selftest_tlb.c b/drivers/gpu/drm/i915/gt/selftest_tlb.c index 3bd6b540257b..6049f01be219 100644 --- a/drivers/gpu/drm/i915/gt/selftest_tlb.c +++ b/drivers/gpu/drm/i915/gt/selftest_tlb.c @@ -36,8 +36,6 @@ pte_tlbinv(struct intel_context *ce, u64 length, struct rnd_state *prng) { - const unsigned int pat_index = - i915_gem_get_pat_index(ce->vm->i915, I915_CACHE_NONE); struct drm_i915_gem_object *batch; struct drm_mm_node vb_node; struct i915_request *rq; @@ -157,7 +155,8 @@ pte_tlbinv(struct intel_context *ce, /* Flip the PTE between A and B */ if (i915_gem_object_is_lmem(vb->obj)) pte_flags |= PTE_LM; - ce->vm->insert_entries(ce->vm, &vb_res, pat_index, pte_flags); + ce->vm->insert_entries(ce->vm, &vb_res, ce->vm->i915->pat_uc, + pte_flags); /* Flush the PTE update to concurrent HW */ tlbinv(ce->vm, addr & -length, length); diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c index 7aadad5639c3..8b7aa8c5a99d 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c @@ -1053,14 +1053,10 @@ static void uc_fw_bind_ggtt(struct intel_uc_fw *uc_fw) if (ggtt->vm.raw_insert_entries) ggtt->vm.raw_insert_entries(&ggtt->vm, vma_res, - i915_gem_get_pat_index(ggtt->vm.i915, - I915_CACHE_NONE), - pte_flags); + ggtt->vm.i915->pat_uc, pte_flags); else ggtt->vm.insert_entries(&ggtt->vm, vma_res, - i915_gem_get_pat_index(ggtt->vm.i915, - I915_CACHE_NONE), - pte_flags); + ggtt->vm.i915->pat_uc, pte_flags); } static void uc_fw_unbind_ggtt(struct intel_uc_fw *uc_fw) diff --git a/drivers/gpu/drm/i915/i915_cache.c b/drivers/gpu/drm/i915/i915_cache.c new file mode 100644 index 000000000000..06eb5933c719 --- /dev/null +++ b/drivers/gpu/drm/i915/i915_cache.c @@ -0,0 +1,18 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2023 Intel Corporation + */ + +#include "i915_cache.h" +#include "i915_drv.h" + +void i915_cache_init(struct drm_i915_private *i915) +{ + i915->pat_uc = i915_gem_get_pat_index(i915, I915_CACHE_NONE); + drm_info(&i915->drm, "Using PAT index %u for uncached access\n", + i915->pat_uc); + + i915->pat_wb = i915_gem_get_pat_index(i915, I915_CACHE_LLC); + drm_info(&i915->drm, "Using PAT index %u for write-back access\n", + i915->pat_wb); +} diff --git a/drivers/gpu/drm/i915/i915_cache.h b/drivers/gpu/drm/i915/i915_cache.h new file mode 100644 index 000000000000..cb68936fb8a2 --- /dev/null +++ b/drivers/gpu/drm/i915/i915_cache.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2023 Intel Corporation + */ + +#ifndef __I915_CACHE_H__ +#define __I915_CACHE_H__ + +struct drm_i915_private; + +void i915_cache_init(struct drm_i915_private *i915); + +#endif /* __I915_CACHE_H__ */ diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c index 294b022de22b..bb2223cc3470 100644 --- a/drivers/gpu/drm/i915/i915_driver.c +++ b/drivers/gpu/drm/i915/i915_driver.c @@ -80,6 +80,7 @@ #include "soc/intel_dram.h" #include "soc/intel_gmch.h" +#include "i915_cache.h" #include "i915_debugfs.h" #include "i915_driver.h" #include "i915_drm_client.h" @@ -240,6 +241,8 @@ static int i915_driver_early_probe(struct drm_i915_private *dev_priv) i915_memcpy_init_early(dev_priv); intel_runtime_pm_init_early(&dev_priv->runtime_pm); + i915_cache_init(dev_priv); + ret = i915_workqueues_init(dev_priv); if (ret < 0) return ret; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 682ef2b5c7d5..f5c591a762df 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -250,6 +250,8 @@ struct drm_i915_private { unsigned int hpll_freq; unsigned int czclk_freq; + unsigned int pat_uc, pat_wb; + /** * wq - Driver workqueue for GEM. * diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 1f65bb33dd21..896aa48ed089 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -422,9 +422,7 @@ i915_gem_gtt_pread(struct drm_i915_gem_object *obj, ggtt->vm.insert_page(&ggtt->vm, i915_gem_object_get_dma_address(obj, offset >> PAGE_SHIFT), - node.start, - i915_gem_get_pat_index(i915, - I915_CACHE_NONE), 0); + node.start, i915->pat_uc, 0); } else { page_base += offset & PAGE_MASK; } @@ -603,9 +601,7 @@ i915_gem_gtt_pwrite_fast(struct drm_i915_gem_object *obj, ggtt->vm.insert_page(&ggtt->vm, i915_gem_object_get_dma_address(obj, offset >> PAGE_SHIFT), - node.start, - i915_gem_get_pat_index(i915, - I915_CACHE_NONE), 0); + node.start, i915->pat_uc, 0); wmb(); /* flush modifications to the GGTT (insert_page) */ } else { page_base += offset & PAGE_MASK; diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 4008bb09fdb5..31975a79730c 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -1124,14 +1124,10 @@ i915_vma_coredump_create(const struct intel_gt *gt, mutex_lock(&ggtt->error_mutex); if (ggtt->vm.raw_insert_page) ggtt->vm.raw_insert_page(&ggtt->vm, dma, slot, - i915_gem_get_pat_index(gt->i915, - I915_CACHE_NONE), - 0); + gt->i915->pat_uc, 0); else ggtt->vm.insert_page(&ggtt->vm, dma, slot, - i915_gem_get_pat_index(gt->i915, - I915_CACHE_NONE), - 0); + gt->i915->pat_uc, 0); mb(); s = io_mapping_map_wc(&ggtt->iomap, slot, PAGE_SIZE); diff --git a/drivers/gpu/drm/i915/selftests/i915_gem.c b/drivers/gpu/drm/i915/selftests/i915_gem.c index 61da4ed9d521..e620f73793a5 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem.c @@ -57,10 +57,7 @@ static void trash_stolen(struct drm_i915_private *i915) u32 __iomem *s; int x; - ggtt->vm.insert_page(&ggtt->vm, dma, slot, - i915_gem_get_pat_index(i915, - I915_CACHE_NONE), - 0); + ggtt->vm.insert_page(&ggtt->vm, dma, slot, i915->pat_uc, 0); s = io_mapping_map_atomic_wc(&ggtt->iomap, slot); for (x = 0; x < PAGE_SIZE / sizeof(u32); x++) { diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c index f8fe3681c3dc..f910ec9b6d2b 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c @@ -246,7 +246,7 @@ static int igt_evict_for_cache_color(void *arg) struct drm_mm_node target = { .start = I915_GTT_PAGE_SIZE * 2, .size = I915_GTT_PAGE_SIZE, - .color = i915_gem_get_pat_index(gt->i915, I915_CACHE_LLC), + .color = gt->i915->pat_wb, }; struct drm_i915_gem_object *obj; struct i915_vma *vma; @@ -309,7 +309,7 @@ static int igt_evict_for_cache_color(void *arg) /* Attempt to remove the first *pinned* vma, by removing the (empty) * neighbour -- this should fail. */ - target.color = i915_gem_get_pat_index(gt->i915, I915_CACHE_L3_LLC); + target.color = gt->i915->pat_uc; mutex_lock(&ggtt->vm.mutex); err = i915_gem_evict_for_node(&ggtt->vm, NULL, &target, 0); diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c index 5c397a2df70e..c96b7f7d7853 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c @@ -135,7 +135,7 @@ fake_dma_object(struct drm_i915_private *i915, u64 size) obj->write_domain = I915_GEM_DOMAIN_CPU; obj->read_domains = I915_GEM_DOMAIN_CPU; - obj->pat_index = i915_gem_get_pat_index(i915, I915_CACHE_NONE); + obj->pat_index = i915->pat_uc; /* Preallocate the "backing storage" */ if (i915_gem_object_pin_pages_unlocked(obj)) @@ -358,9 +358,7 @@ static int lowlevel_hole(struct i915_address_space *vm, mock_vma_res->start = addr; with_intel_runtime_pm(vm->gt->uncore->rpm, wakeref) - vm->insert_entries(vm, mock_vma_res, - i915_gem_get_pat_index(vm->i915, - I915_CACHE_NONE), + vm->insert_entries(vm, mock_vma_res, vm->i915->pat_uc, 0); } count = n; @@ -1379,10 +1377,7 @@ static int igt_ggtt_page(void *arg) ggtt->vm.insert_page(&ggtt->vm, i915_gem_object_get_dma_address(obj, 0), - offset, - i915_gem_get_pat_index(i915, - I915_CACHE_NONE), - 0); + offset, i915->pat_uc, 0); } order = i915_random_order(count, &prng); diff --git a/drivers/gpu/drm/i915/selftests/intel_memory_region.c b/drivers/gpu/drm/i915/selftests/intel_memory_region.c index d985d9bae2e8..b82fe0ef8cd7 100644 --- a/drivers/gpu/drm/i915/selftests/intel_memory_region.c +++ b/drivers/gpu/drm/i915/selftests/intel_memory_region.c @@ -1070,9 +1070,7 @@ static int igt_lmem_write_cpu(void *arg) /* Put the pages into a known state -- from the gpu for added fun */ intel_engine_pm_get(engine); err = intel_context_migrate_clear(engine->gt->migrate.context, NULL, - obj->mm.pages->sgl, - i915_gem_get_pat_index(i915, - I915_CACHE_NONE), + obj->mm.pages->sgl, i915->pat_uc, true, 0xdeadbeaf, &rq); if (rq) { dma_resv_add_fence(obj->base.resv, &rq->fence, diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c index da0b269606c5..1d1a457e2aee 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c @@ -181,6 +181,8 @@ struct drm_i915_private *mock_gem_device(void) /* Set up device info and initial runtime info. */ intel_device_info_driver_create(i915, pdev->device, &mock_info); + i915_cache_init(i915); + dev_pm_domain_set(&pdev->dev, &pm_domain); pm_runtime_enable(&pdev->dev); pm_runtime_dont_use_autosuspend(&pdev->dev);