From patchwork Thu Jul 7 20:02:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bob Beckett X-Patchwork-Id: 12910183 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 171FDC433EF for ; Thu, 7 Jul 2022 20:02:47 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2F72D11B52E; Thu, 7 Jul 2022 20:02:46 +0000 (UTC) Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by gabe.freedesktop.org (Postfix) with ESMTPS id B3A6B11B57E; Thu, 7 Jul 2022 20:02:44 +0000 (UTC) Received: from hermes-devbox.fritz.box (82-71-8-225.dsl.in-addr.zen.co.uk [82.71.8.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bbeckett) by madras.collabora.co.uk (Postfix) with ESMTPSA id 258C266019C5; Thu, 7 Jul 2022 21:02:43 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1657224163; bh=0/9ffiL/HKZsLdVNSgPipF3QEZXI8sb1Hip5T/0uQzw=; h=From:To:Cc:Subject:Date:From; b=S5ExfCKzodgjL7Q0+f+mRj2N8C9azsfuAvh1aW+ivjUsVfTnPw7RV4Z1IAfDqmbsx ZiJzqyqA3M7KJfRbVOyGL4shIJQV/+1R6gB1I6JjiVyjcImVp3wn4cnq99XQT4MgXA aJJJNGN81rT9EVnunLNJHEFRw0w7aCXey/vmJIC3roeuvUt/aA7gYqp+4rR2lBXXHd mnuuQE0sV5+39W3g1aaOgSWhPyEp0IQbGrMbtP2ftT2TfgsKp/xA/gTr+U18+xgJX1 rnMKpU+y5KYwshwxJsfPeCoBgOv+8nIzP4gVyxdRXY6G4hJYePJd3AnNnR2NuW/zem wwYbiFT5gmncQ== From: Robert Beckett To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Date: Thu, 7 Jul 2022 20:02:18 +0000 Message-Id: <20220707200230.1657555-1-bob.beckett@collabora.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v10 00/11] drm/i915: ttm for stolen 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: , Cc: =?utf-8?q?Thomas_Hellstr=C3=B6m?= , kernel@collabora.com, Matthew Auld Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" This series refactors i915's stolen memory region to use ttm. v2: handle disabled stolen similar to legacy version. relying on ttm to fail allocs works fine, but is dmesg noisy and causes testing dmesg warning regressions. v3: rebase to latest drm-tip. fix v2 code refactor which could leave a buffer pinned. locally passes fftl again now. v4: - Allow memory regions creators to do allocation. Allows stolen region to track it's own reservations. - Pre-reserve first page of stolen mem (add back WaSkipStolenMemoryFirstPage:bdw+) - Improve commit descritpion for "drm/i915: sanitize mem_flags for stolen buffers" - replace i915_gem_object_pin_pages_unlocked() call with manual locking and pinning. this avoids ww ctx class reuse during context creation -> ring vma obj alloc. v5: - detect both types of stolen as stolen buffers in "drm/i915: sanitize mem_flags for stolen buffers" - in stolen_object_init limit page size to mem region minimum. The range allocator expects the page_size to define the alignment v6: - Share first 4 patches from ttm for internal series as generic i915 ttm fixes - Drop patch 4 from v5. We don't need separate object ops just to satisfy test interfaces. The tests have now been fixed via checking whether the memory region is private to decide whether to mmap - Add new buffer pin alloc flag to allow creation of buffers in their final ttm placement instead of deferring until get_pages. This fixes legacy fallback paths for buffer allocations during stolen memory pressure. v7: - fix mock_region_get_pages() to correctly handle I915_BO_INVALID_OFFSET v8: - Reserve I915_GEM_STOLEN_BIAS area from stolen v9: - drop patch 8 "drm/i915: allow memory region creators to alloc and free the region" store bias reservation in drm_i915_private instead. - Restrict reset selftest to only test !GuC engines. Resetting individual GuC engines from host is not supported - Wait for outstanding requests in reset selftest This prevents previous engine test context cleanup appearing as false positive stolen corruption check v10: - Fix wiating on requests early error path during reset selftest If a single request fails to complete, the others would not be put, resulting in leaks. Make sure all requests are put before test exit. Robert Beckett (11): drm/i915/ttm: dont trample cache_level overrides during ttm move drm/i915: limit ttm to dma32 for i965G[M] drm/i915/ttm: only trust snooping for dgfx when deciding default cache_level drm/i915/gem: selftest should not attempt mmap of private regions drm/i915: instantiate ttm ranger manager for stolen memory drm/i915: sanitize mem_flags for stolen buffers drm/i915: ttm move/clear logic fix drm/i915/ttm: add buffer pin on alloc flag drm/i915/selftest: don't attempt engine reset of guc submission engines drm/i915/selftest: wait for requests during engine reset selftest drm/i915: stolen memory use ttm backend drivers/gpu/drm/i915/display/intel_fbc.c | 78 ++-- drivers/gpu/drm/i915/gem/i915_gem_object.c | 1 + .../gpu/drm/i915/gem/i915_gem_object_types.h | 16 +- drivers/gpu/drm/i915/gem/i915_gem_stolen.c | 425 ++++++------------ drivers/gpu/drm/i915/gem/i915_gem_stolen.h | 21 +- drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 29 +- drivers/gpu/drm/i915/gem/i915_gem_ttm.h | 7 + drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c | 47 +- .../drm/i915/gem/selftests/i915_gem_mman.c | 3 + drivers/gpu/drm/i915/gt/intel_rc6.c | 4 +- drivers/gpu/drm/i915/gt/selftest_reset.c | 53 ++- drivers/gpu/drm/i915/i915_debugfs.c | 7 +- drivers/gpu/drm/i915/i915_drv.h | 6 +- drivers/gpu/drm/i915/intel_region_ttm.c | 80 +++- drivers/gpu/drm/i915/intel_region_ttm.h | 8 +- drivers/gpu/drm/i915/selftests/mock_region.c | 12 +- 16 files changed, 420 insertions(+), 377 deletions(-)