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spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CB9066EC1C; Fri, 10 Jul 2020 12:00:47 +0000 (UTC) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id AD13A6EC03 for ; Fri, 10 Jul 2020 12:00:45 +0000 (UTC) IronPort-SDR: LIn7bUeqq5NFinXO6/o3vbsZF1BVLXXuQhYE3xqIdUAyBv3l2vYll+mvDDed1gsCSrYEj/Bwpu SECys/SVS7Xw== X-IronPort-AV: E=McAfee;i="6000,8403,9677"; a="209716687" X-IronPort-AV: E=Sophos;i="5.75,335,1589266800"; d="scan'208";a="209716687" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jul 2020 05:00:45 -0700 IronPort-SDR: wkWN3EyHgTQ6Ilpxt12BWTJmMV9ehRVDNZabcmEX/ntC0cfuxWWWOVwDMF09neUJJeLVJC0AOG pgoSXolgpRUg== X-IronPort-AV: E=Sophos;i="5.75,335,1589266800"; d="scan'208";a="458257977" Received: from nmartino-mobl1.ger.corp.intel.com (HELO mwahaha-bdw.ger.corp.intel.com) ([10.255.207.224]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jul 2020 05:00:43 -0700 From: Matthew Auld To: intel-gfx@lists.freedesktop.org Date: Fri, 10 Jul 2020 12:57:37 +0100 Message-Id: <20200710115757.290984-41-matthew.auld@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200710115757.290984-1-matthew.auld@intel.com> References: <20200710115757.290984-1-matthew.auld@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [RFC 40/60] drm/i915: drop fake LMEM X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Signed-off-by: Matthew Auld --- drivers/gpu/drm/i915/i915_drv.c | 17 ---- drivers/gpu/drm/i915/i915_params.c | 5 -- drivers/gpu/drm/i915/i915_params.h | 1 - drivers/gpu/drm/i915/intel_memory_region.c | 11 +-- drivers/gpu/drm/i915/intel_region_lmem.c | 96 ---------------------- drivers/gpu/drm/i915/intel_region_lmem.h | 3 - 6 files changed, 1 insertion(+), 132 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 7b758131e0dc..dbec244f63bc 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -954,23 +954,6 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (!i915->params.nuclear_pageflip && match_info->gen < 5) i915->drm.driver_features &= ~DRIVER_ATOMIC; - /* - * Check if we support fake LMEM -- for now we only unleash this for - * the live selftests(test-and-exit). - */ -#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) - if (IS_ENABLED(CONFIG_DRM_I915_UNSTABLE_FAKE_LMEM)) { - if (INTEL_GEN(i915) >= 9 && i915_selftest.live < 0 && - i915->params.fake_lmem_start) { - mkwrite_device_info(i915)->memory_regions = - REGION_SMEM | REGION_LMEM | REGION_STOLEN_SMEM; - mkwrite_device_info(i915)->is_dgfx = true; - GEM_BUG_ON(!HAS_LMEM(i915)); - GEM_BUG_ON(!IS_DGFX(i915)); - } - } -#endif - ret = pci_enable_device(pdev); if (ret) goto out_fini; diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c index 8d8db9ff0a48..1e928e31fd22 100644 --- a/drivers/gpu/drm/i915/i915_params.c +++ b/drivers/gpu/drm/i915/i915_params.c @@ -187,11 +187,6 @@ i915_param_named(enable_gvt, bool, 0400, "Enable support for Intel GVT-g graphics virtualization host support(default:false)"); #endif -#if IS_ENABLED(CONFIG_DRM_I915_UNSTABLE_FAKE_LMEM) -i915_param_named_unsafe(fake_lmem_start, ulong, 0400, - "Fake LMEM start offset (default: 0)"); -#endif - static __always_inline void _print_param(struct drm_printer *p, const char *name, const char *type, diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h index 53fb5ba8fbed..1416fabef227 100644 --- a/drivers/gpu/drm/i915/i915_params.h +++ b/drivers/gpu/drm/i915/i915_params.h @@ -69,7 +69,6 @@ struct drm_printer; param(int, fastboot, -1, 0600) \ param(int, enable_dpcd_backlight, -1, 0600) \ param(char *, force_probe, CONFIG_DRM_I915_FORCE_PROBE, 0400) \ - param(unsigned long, fake_lmem_start, 0, 0400) \ /* leave bools at the end to not create holes */ \ param(bool, enable_hangcheck, true, 0600) \ param(bool, load_detect_test, false, 0600) \ diff --git a/drivers/gpu/drm/i915/intel_memory_region.c b/drivers/gpu/drm/i915/intel_memory_region.c index 1e9f52feec59..b4b7858f13e0 100644 --- a/drivers/gpu/drm/i915/intel_memory_region.c +++ b/drivers/gpu/drm/i915/intel_memory_region.c @@ -297,16 +297,7 @@ int intel_memory_regions_hw_probe(struct drm_i915_private *i915) mem = i915_gem_stolen_setup(i915); break; case INTEL_MEMORY_LOCAL: -#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) - if (IS_ENABLED(CONFIG_DRM_I915_UNSTABLE_FAKE_LMEM)) { - if (INTEL_GEN(i915) >= 9 && i915_selftest.live < 0 && - i915->params.fake_lmem_start) - mem = intel_setup_fake_lmem(i915); - } -#endif - - if (IS_ERR(mem)) - mem = i915_gem_setup_lmem(i915); + mem = i915_gem_setup_lmem(i915); break; } diff --git a/drivers/gpu/drm/i915/intel_region_lmem.c b/drivers/gpu/drm/i915/intel_region_lmem.c index e98582c76de1..95c8d89d1fc9 100644 --- a/drivers/gpu/drm/i915/intel_region_lmem.c +++ b/drivers/gpu/drm/i915/intel_region_lmem.c @@ -9,64 +9,9 @@ #include "gem/i915_gem_region.h" #include "intel_region_lmem.h" -static int init_fake_lmem_bar(struct intel_memory_region *mem) -{ - struct drm_i915_private *i915 = mem->i915; - struct i915_ggtt *ggtt = &i915->ggtt; - unsigned long n; - int ret; - - /* We want to 1:1 map the mappable aperture to our reserved region */ - - mem->fake_mappable.start = 0; - mem->fake_mappable.size = resource_size(&mem->region); - mem->fake_mappable.color = I915_COLOR_UNEVICTABLE; - - ret = drm_mm_reserve_node(&ggtt->vm.mm, &mem->fake_mappable); - if (ret) - return ret; - - mem->remap_addr = dma_map_resource(&i915->drm.pdev->dev, - mem->region.start, - mem->fake_mappable.size, - PCI_DMA_BIDIRECTIONAL, - DMA_ATTR_FORCE_CONTIGUOUS); - if (dma_mapping_error(&i915->drm.pdev->dev, mem->remap_addr)) { - drm_mm_remove_node(&mem->fake_mappable); - return -EINVAL; - } - - for (n = 0; n < mem->fake_mappable.size >> PAGE_SHIFT; ++n) { - ggtt->vm.insert_page(&ggtt->vm, - mem->remap_addr + (n << PAGE_SHIFT), - n << PAGE_SHIFT, - I915_CACHE_NONE, 0); - } - - mem->region = (struct resource)DEFINE_RES_MEM(mem->remap_addr, - mem->fake_mappable.size); - - return 0; -} - -static void release_fake_lmem_bar(struct intel_memory_region *mem) -{ - if (!drm_mm_node_allocated(&mem->fake_mappable)) - return; - - drm_mm_remove_node(&mem->fake_mappable); - - dma_unmap_resource(&mem->i915->drm.pdev->dev, - mem->remap_addr, - mem->fake_mappable.size, - PCI_DMA_BIDIRECTIONAL, - DMA_ATTR_FORCE_CONTIGUOUS); -} - static void region_lmem_release(struct intel_memory_region *mem) { - release_fake_lmem_bar(mem); io_mapping_fini(&mem->iomap); intel_memory_region_release_buddy(mem); } @@ -76,11 +21,6 @@ region_lmem_init(struct intel_memory_region *mem) { int ret; - if (mem->i915->params.fake_lmem_start) { - ret = init_fake_lmem_bar(mem); - GEM_BUG_ON(ret); - } - if (!io_mapping_init_wc(&mem->iomap, mem->io_start, resource_size(&mem->region))) @@ -101,42 +41,6 @@ const struct intel_memory_region_ops intel_region_lmem_ops = { .create_object = __i915_gem_lmem_object_create, }; -struct intel_memory_region * -intel_setup_fake_lmem(struct drm_i915_private *i915) -{ - struct pci_dev *pdev = i915->drm.pdev; - struct intel_memory_region *mem; - resource_size_t mappable_end; - resource_size_t io_start; - resource_size_t start; - - GEM_BUG_ON(i915_ggtt_has_aperture(&i915->ggtt)); - GEM_BUG_ON(!i915->params.fake_lmem_start); - - /* Your mappable aperture belongs to me now! */ - mappable_end = pci_resource_len(pdev, 2); - io_start = pci_resource_start(pdev, 2), - start = i915->params.fake_lmem_start; - - mem = intel_memory_region_create(i915, - start, - mappable_end, - PAGE_SIZE, - io_start, - &intel_region_lmem_ops); - if (!IS_ERR(mem)) { - drm_info(&i915->drm, "Intel graphics fake LMEM: %pR\n", - &mem->region); - drm_info(&i915->drm, - "Intel graphics fake LMEM IO start: %llx\n", - (u64)mem->io_start); - drm_info(&i915->drm, "Intel graphics fake LMEM size: %llx\n", - (u64)resource_size(&mem->region)); - } - - return mem; -} - static struct intel_memory_region * setup_lmem(struct drm_i915_private *dev_priv) { diff --git a/drivers/gpu/drm/i915/intel_region_lmem.h b/drivers/gpu/drm/i915/intel_region_lmem.h index 054e729035c1..6dbed8de3ce3 100644 --- a/drivers/gpu/drm/i915/intel_region_lmem.h +++ b/drivers/gpu/drm/i915/intel_region_lmem.h @@ -12,7 +12,4 @@ extern const struct intel_memory_region_ops intel_region_lmem_ops; struct intel_memory_region *i915_gem_setup_lmem(struct drm_i915_private *i915); -struct intel_memory_region * -intel_setup_fake_lmem(struct drm_i915_private *i915); - #endif /* !__INTEL_REGION_LMEM_H */ -- 2.26.2 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx