From patchwork Wed May 25 18:43:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Matthew Auld X-Patchwork-Id: 12861520 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 CF2E5C4332F for ; Wed, 25 May 2022 18:44:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 34E6110ED17; Wed, 25 May 2022 18:44:15 +0000 (UTC) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6C16710ED83; Wed, 25 May 2022 18:44:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1653504252; x=1685040252; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=iQLawsZY1qwQE0fTocZ8vjx/v+ZEz6b/Qp/oxOxhdvM=; b=l/nhzi9O0NOsin6jhAgq/GMV3LtiVrA/BuzDN7xjuWjAkh8FOpNFjTxS boATrDh0YaDWis2vvxsftNxSZEbgeh5PAzTrogXRIc6Qsk/qYoMLKwr9g Of7WDMiZxYfGqt85mRAP3Z/hhy1rDc8gOGNVhbmMsZo65TpJeyYMuOBm4 hzOWz+Yx5/4VWgwVC58fG+yw9fQSt6DYzYRLL+kU4IbyTlyTnt1vACHE7 rz9TbdDjm+uXLL8FdQIV8KuGGo5KGtne7sGfJzYe9OqPn5FcoiiIoq6Au oVFaF2Nyiik3TycUpsMbsp24GcOxZVkPd8n/48ZyQjWe6i8fvB6K3wV8k g==; X-IronPort-AV: E=McAfee;i="6400,9594,10358"; a="274013478" X-IronPort-AV: E=Sophos;i="5.91,250,1647327600"; d="scan'208";a="274013478" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 May 2022 11:44:12 -0700 X-IronPort-AV: E=Sophos;i="5.91,250,1647327600"; d="scan'208";a="578465280" Received: from daithiby-mobl.ger.corp.intel.com (HELO mwauld-desk1.intel.com) ([10.252.5.16]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 May 2022 11:44:09 -0700 From: Matthew Auld To: intel-gfx@lists.freedesktop.org Date: Wed, 25 May 2022 19:43:34 +0100 Message-Id: <20220525184337.491763-8-matthew.auld@intel.com> X-Mailer: git-send-email 2.34.3 In-Reply-To: <20220525184337.491763-1-matthew.auld@intel.com> References: <20220525184337.491763-1-matthew.auld@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 07/10] drm/i915/error: skip non-mappable pages 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?= , Daniel Vetter , Kenneth Graunke , dri-devel@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Skip capturing any lmem pages that can't be copied using the CPU. This in now only best effort on platforms that have small BAR. Testcase: igt@gem-exec-capture@capture-invisible Signed-off-by: Matthew Auld Cc: Thomas Hellström Cc: Lionel Landwerlin Cc: Tvrtko Ursulin Cc: Jon Bloomfield Cc: Daniel Vetter Cc: Jordan Justen Cc: Kenneth Graunke Cc: Akeem G Abodunrin Reviewed-by: Nirmoy Das Reviewed-by: Thomas Hellström --- drivers/gpu/drm/i915/i915_gpu_error.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 0512c66fa4f3..77df899123c2 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -1116,11 +1116,15 @@ i915_vma_coredump_create(const struct intel_gt *gt, dma_addr_t dma; for_each_sgt_daddr(dma, iter, vma_res->bi.pages) { + dma_addr_t offset = dma - mem->region.start; void __iomem *s; - s = io_mapping_map_wc(&mem->iomap, - dma - mem->region.start, - PAGE_SIZE); + if (offset + PAGE_SIZE > mem->io_size) { + ret = -EINVAL; + break; + } + + s = io_mapping_map_wc(&mem->iomap, offset, PAGE_SIZE); ret = compress_page(compress, (void __force *)s, dst, true);