From patchwork Tue Jun 29 15:12:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Thomas Hellstrom X-Patchwork-Id: 12350193 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 8EED4C11F6A for ; Tue, 29 Jun 2021 15:12:43 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 5AE3861D5E for ; Tue, 29 Jun 2021 15:12:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5AE3861D5E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; 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 031E76E8B2; Tue, 29 Jun 2021 15:12:39 +0000 (UTC) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 595A86E8AE; Tue, 29 Jun 2021 15:12:33 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10030"; a="195318944" X-IronPort-AV: E=Sophos;i="5.83,309,1616482800"; d="scan'208";a="195318944" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jun 2021 08:12:33 -0700 X-IronPort-AV: E=Sophos;i="5.83,309,1616482800"; d="scan'208";a="408203451" Received: from ettammin-mobl1.ger.corp.intel.com (HELO thellst-mobl1.intel.com) ([10.249.254.141]) by orsmga006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jun 2021 08:12:31 -0700 From: =?utf-8?q?Thomas_Hellstr=C3=B6m?= To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Tue, 29 Jun 2021 17:12:03 +0200 Message-Id: <20210629151203.209465-4-thomas.hellstrom@linux.intel.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210629151203.209465-1-thomas.hellstrom@linux.intel.com> References: <20210629151203.209465-1-thomas.hellstrom@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 3/3] drm/i915/display: Migrate objects to LMEM if possible for display 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?= , matthew.auld@intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Objects intended to be used as display framebuffers must reside in LMEM for discrete. If they happen to not do that, migrate them to LMEM before pinning. Signed-off-by: Thomas Hellström Reviewed-by: Matthew Auld --- drivers/gpu/drm/i915/display/intel_display.c | 5 ++++- drivers/gpu/drm/i915/gem/i915_gem_domain.c | 2 +- drivers/gpu/drm/i915/gem/i915_gem_lmem.c | 21 -------------------- drivers/gpu/drm/i915/gem/i915_gem_object.h | 2 -- 4 files changed, 5 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index eec6c9e9cda7..026c28c612f0 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -1331,6 +1331,9 @@ intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb, ret = i915_gem_object_lock(obj, &ww); if (!ret && phys_cursor) ret = i915_gem_object_attach_phys(obj, alignment); + else if (!ret && HAS_LMEM(dev_priv)) + ret = i915_gem_object_migrate(obj, &ww, INTEL_REGION_LMEM); + /* TODO: Do we need to sync when migration becomes async? */ if (!ret) ret = i915_gem_object_pin_pages(obj); if (ret) @@ -11778,7 +11781,7 @@ intel_user_framebuffer_create(struct drm_device *dev, /* object is backed with LMEM for discrete */ i915 = to_i915(obj->base.dev); - if (HAS_LMEM(i915) && !i915_gem_object_validates_to_lmem(obj)) { + if (HAS_LMEM(i915) && !i915_gem_object_can_migrate(obj, INTEL_REGION_LMEM)) { /* object is "remote", not in local memory */ i915_gem_object_put(obj); return ERR_PTR(-EREMOTE); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_domain.c b/drivers/gpu/drm/i915/gem/i915_gem_domain.c index 073822100da7..7d1400b13429 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_domain.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_domain.c @@ -375,7 +375,7 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj, struct i915_vma *vma; int ret; - /* Frame buffer must be in LMEM (no migration yet) */ + /* Frame buffer must be in LMEM */ if (HAS_LMEM(i915) && !i915_gem_object_is_lmem(obj)) return ERR_PTR(-EINVAL); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c index 41d5182cd367..be1d122574af 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c @@ -23,27 +23,6 @@ i915_gem_object_lmem_io_map(struct drm_i915_gem_object *obj, return io_mapping_map_wc(&obj->mm.region->iomap, offset, size); } -/** - * i915_gem_object_validates_to_lmem - Whether the object is resident in - * lmem when pages are present. - * @obj: The object to check. - * - * Migratable objects residency may change from under us if the object is - * not pinned or locked. This function is intended to be used to check whether - * the object can only reside in lmem when pages are present. - * - * Return: Whether the object is always resident in lmem when pages are - * present. - */ -bool i915_gem_object_validates_to_lmem(struct drm_i915_gem_object *obj) -{ - struct intel_memory_region *mr = READ_ONCE(obj->mm.region); - - return !i915_gem_object_migratable(obj) && - mr && (mr->type == INTEL_MEMORY_LOCAL || - mr->type == INTEL_MEMORY_STOLEN_LOCAL); -} - /** * i915_gem_object_is_lmem - Whether the object is resident in * lmem diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h index 8cbd7a5334e2..d423d8cac4f2 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h @@ -597,8 +597,6 @@ bool i915_gem_object_evictable(struct drm_i915_gem_object *obj); bool i915_gem_object_migratable(struct drm_i915_gem_object *obj); -bool i915_gem_object_validates_to_lmem(struct drm_i915_gem_object *obj); - int i915_gem_object_migrate(struct drm_i915_gem_object *obj, struct i915_gem_ww_ctx *ww, enum intel_region_id id);