From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2E6EC433E1 for ; Thu, 13 Aug 2020 09:08:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 95F462074D for ; Thu, 13 Aug 2020 09:08:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726102AbgHMJIu (ORCPT ); Thu, 13 Aug 2020 05:08:50 -0400 Received: from mga07.intel.com ([134.134.136.100]:6798 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726053AbgHMJIt (ORCPT ); Thu, 13 Aug 2020 05:08:49 -0400 IronPort-SDR: 00QbEfF72nisPJYXqTaJq/W9ISoFl1LPH/CLzt+Q0oukCG7IdbgLPnkWOqeBURyzbuAHR/lhif 2MPdsT4yySjg== X-IronPort-AV: E=McAfee;i="6000,8403,9711"; a="218522299" X-IronPort-AV: E=Sophos;i="5.76,307,1592895600"; d="scan'208";a="218522299" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Aug 2020 02:08:48 -0700 IronPort-SDR: MzLdBg29y17Qw947zHTwHA+CSmHBs2Zvn+6Bs6sqi/aBfHd1F5a0YahIdS8U60Hdv6sgpLlMWW /z+PVkWCy4qA== X-IronPort-AV: E=Sophos;i="5.76,307,1592895600"; d="scan'208";a="470144306" Received: from jgronski-mobl.ger.corp.intel.com (HELO localhost) ([10.252.50.170]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Aug 2020 02:08:15 -0700 From: Jani Nikula To: Thomas Zimmermann , alexander.deucher@amd.com, christian.koenig@amd.com, airlied@linux.ie, daniel@ffwll.ch, linux@armlinux.org.uk, maarten.lankhorst@linux.intel.com, mripard@kernel.org, l.stach@pengutronix.de, christian.gmeiner@gmail.com, inki.dae@samsung.com, jy0922.shim@samsung.com, sw0312.kim@samsung.com, kyungmin.park@samsung.com, kgene@kernel.org, krzk@kernel.org, patrik.r.jakobsson@gmail.com, joonas.lahtinen@linux.intel.com, rodrigo.vivi@intel.com, chunkuang.hu@kernel.org, p.zabel@pengutronix.de, matthias.bgg@gmail.com, robdclark@gmail.com, sean@poorly.run, bskeggs@redhat.com, tomi.valkeinen@ti.com, eric@anholt.net, hjc@rock-chips.com, heiko@sntech.de, thierry.reding@gmail.com, jonathanh@nvidia.com, rodrigosiqueiramelo@gmail.com, hamohammed.sa@gmail.com, oleksandr_andrushchenko@epam.com, hyun.kwon@xilinx.com, laurent.pinchart@ideasonboard.com, michal.simek@xilinx.com, sumit.semwal@linaro.org, evan.quan@amd.com, Hawking.Zhang@amd.com, tianci.yin@amd.com, marek.olsak@amd.com, hdegoede@redhat.com, andrey.grodzovsky@amd.com, Felix.Kuehling@amd.com, xinhui.pan@amd.com, aaron.liu@amd.com, nirmoy.das@amd.com, chris@chris-wilson.co.uk, matthew.auld@intel.com, abdiel.janulgue@linux.intel.com, tvrtko.ursulin@linux.intel.com, andi.shyti@intel.com, sam@ravnborg.org, miaoqinglang@huawei.com, emil.velikov@collabora.com Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, etnaviv@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, intel-gfx@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-rockchip@lists.infradead.org, linux-tegra@vger.kernel.org, xen-devel@lists.xenproject.org, Thomas Zimmermann Subject: Re: [PATCH 06/20] drm/i915: Introduce GEM object functions In-Reply-To: <20200813083644.31711-7-tzimmermann@suse.de> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20200813083644.31711-1-tzimmermann@suse.de> <20200813083644.31711-7-tzimmermann@suse.de> Date: Thu, 13 Aug 2020 12:08:12 +0300 Message-ID: <877du2j4lf.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org On Thu, 13 Aug 2020, Thomas Zimmermann wrote: > GEM object functions deprecate several similar callback interfaces in > struct drm_driver. This patch replaces the per-driver callbacks with > per-instance callbacks in i915. > > Signed-off-by: Thomas Zimmermann > --- > drivers/gpu/drm/i915/gem/i915_gem_object.c | 9 ++++++++- > drivers/gpu/drm/i915/i915_drv.c | 10 ++++++---- > drivers/gpu/drm/i915/i915_drv.h | 1 + > drivers/gpu/drm/i915/selftests/mock_gem_device.c | 3 --- > 4 files changed, 15 insertions(+), 8 deletions(-) > > diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c > index c8421fd9d2dc..bc15ee4f2bd5 100644 > --- a/drivers/gpu/drm/i915/gem/i915_gem_object.c > +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c > @@ -41,7 +41,14 @@ static struct i915_global_object { > > struct drm_i915_gem_object *i915_gem_object_alloc(void) > { > - return kmem_cache_zalloc(global.slab_objects, GFP_KERNEL); > + struct drm_i915_gem_object *obj; > + > + obj = kmem_cache_zalloc(global.slab_objects, GFP_KERNEL); > + if (!obj) > + return NULL; > + obj->base.funcs = &i915_gem_object_funcs; > + > + return obj; > } > > void i915_gem_object_free(struct drm_i915_gem_object *obj) > diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c > index 068447f565a9..b09eee11c540 100644 > --- a/drivers/gpu/drm/i915/i915_drv.c > +++ b/drivers/gpu/drm/i915/i915_drv.c > @@ -1840,6 +1840,12 @@ static const struct drm_ioctl_desc i915_ioctls[] = { > DRM_IOCTL_DEF_DRV(I915_GEM_VM_DESTROY, i915_gem_vm_destroy_ioctl, DRM_RENDER_ALLOW), > }; > > +const struct drm_gem_object_funcs i915_gem_object_funcs = { > + .free = i915_gem_free_object, > + .close = i915_gem_close_object, > + .export = i915_gem_prime_export, > +}; > + Any reason not to make this static in i915_gem_object.c next to its only user? BR, Jani. > static struct drm_driver driver = { > /* Don't use MTRRs here; the Xserver or userspace app should > * deal with them for Intel hardware. > @@ -1853,12 +1859,8 @@ static struct drm_driver driver = { > .lastclose = i915_driver_lastclose, > .postclose = i915_driver_postclose, > > - .gem_close_object = i915_gem_close_object, > - .gem_free_object_unlocked = i915_gem_free_object, > - > .prime_handle_to_fd = drm_gem_prime_handle_to_fd, > .prime_fd_to_handle = drm_gem_prime_fd_to_handle, > - .gem_prime_export = i915_gem_prime_export, > .gem_prime_import = i915_gem_prime_import, > > .dumb_create = i915_gem_dumb_create, > diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h > index bacb4c762f5b..666db65fe69e 100644 > --- a/drivers/gpu/drm/i915/i915_drv.h > +++ b/drivers/gpu/drm/i915/i915_drv.h > @@ -1736,6 +1736,7 @@ intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *dev_priv) > > /* i915_drv.c */ > extern const struct dev_pm_ops i915_pm_ops; > +extern const struct drm_gem_object_funcs i915_gem_object_funcs; > > int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent); > void i915_driver_remove(struct drm_i915_private *i915); > diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c > index ce4d4303229c..4725dad63e0a 100644 > --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c > +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c > @@ -86,9 +86,6 @@ static struct drm_driver mock_driver = { > .name = "mock", > .driver_features = DRIVER_GEM, > .release = mock_device_release, > - > - .gem_close_object = i915_gem_close_object, > - .gem_free_object_unlocked = i915_gem_free_object, > }; > > static void release_dev(struct device *dev) -- Jani Nikula, Intel Open Source Graphics Center