From patchwork Thu Mar 7 19:11:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antonio Argenziano X-Patchwork-Id: 10843765 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5B22113B5 for ; Thu, 7 Mar 2019 19:11:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4945E2F884 for ; Thu, 7 Mar 2019 19:11:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3D7582F8B8; Thu, 7 Mar 2019 19:11:29 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E17532F8F9 for ; Thu, 7 Mar 2019 19:11:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C239A6E1D7; Thu, 7 Mar 2019 19:11:26 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6CC736E1D7 for ; Thu, 7 Mar 2019 19:11:25 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Mar 2019 11:11:24 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,451,1544515200"; d="scan'208";a="150258560" Received: from relo-linux-2.fm.intel.com ([10.1.27.125]) by fmsmga004.fm.intel.com with ESMTP; 07 Mar 2019 11:11:23 -0800 From: Antonio Argenziano To: intel-gfx@lists.freedesktop.org Date: Thu, 7 Mar 2019 11:11:14 -0800 Message-Id: <20190307191115.35336-1-antonio.argenziano@intel.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Subject: [Intel-gfx] [RFC PATCH 1/2] drm/i915: Return mappable aperture size X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Matthew Auld Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP Extend the API to return the mappable aperture size directly in the I915_GEM_GET_APERTURE IOCTL. Signed-off-by: Antonio Argenziano Cc: Matthew Auld Cc: Daniele Ceraolo Spurio Cc: Chris Wilson --- drivers/gpu/drm/i915/i915_gem.c | 2 ++ include/uapi/drm/i915_drm.h | 5 +++++ 2 files changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 0b23cf3be718..d109f6dbe992 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -221,6 +221,8 @@ i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data, args->aper_size = ggtt->vm.total; args->aper_available_size = args->aper_size - pinned; + args->mappable_aperture_size = ggtt->mappable_end; + return 0; } diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index aa2d4c73a97d..bcab66664579 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -1284,6 +1284,11 @@ struct drm_i915_gem_get_aperture { * bytes */ __u64 aper_available_size; + + /** + * Total size of the mappable aperture. + */ + __u64 mappable_aperture_size; }; struct drm_i915_get_pipe_from_crtc_id {