From patchwork Tue Jun 21 20:00:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bob Beckett X-Patchwork-Id: 12889693 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 F0971C433EF for ; Tue, 21 Jun 2022 20:01:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1A0E110FF42; Tue, 21 Jun 2022 20:01:21 +0000 (UTC) Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2CEB310FF42; Tue, 21 Jun 2022 20:01:19 +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 9FFC4660188E; Tue, 21 Jun 2022 21:01:17 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1655841677; bh=xMYv7v3aHxlEQIE2QtkE00E2gW9W0dS8yiKhilZWusw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=i3Z+NXjl66eav0Ee/FimPffiTtZrKh7gRzLbltR+tYrKQ+iO/PhAThssq+rjUnQ7R 8x6SCb3XrwCD4YU25z799eE2DDLhN48/VkqRN3XUn6dD4qntjYG0UaLPFdFKSQAxYn LggEmd06PalHuAZud/341IYUCXuume05znANTWaLuFGe3OHRMZwqQV03sebJIko8lt ElyM8gPuSl7d6UrFPuLOa4rZjW6MAj5Vev9LGW3/+FZ74YKTh7E91sNYrauBttPIxI rtdOcqLDtkvy7p+77IFBlGtoH7O64EGXCDdwmmPc/S9hIERChrbB3F9mm4MVM++Fux fwWPnuf7ekkFQ== From: Robert Beckett To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Daniel Vetter Subject: [PATCH v8 08/10] drm/i915: allow memory region creators to alloc and free the region Date: Tue, 21 Jun 2022 20:00:56 +0000 Message-Id: <20220621200058.3536182-9-bob.beckett@collabora.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220621200058.3536182-1-bob.beckett@collabora.com> References: <20220621200058.3536182-1-bob.beckett@collabora.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Robert Beckett , =?utf-8?q?Thomas_Hellstr?= =?utf-8?q?=C3=B6m?= , kernel@collabora.com, Matthew Auld , linux-kernel@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" add callbacks for alloc and free. this allows region creators to allocate any extra storage they may require. Signed-off-by: Robert Beckett --- drivers/gpu/drm/i915/intel_memory_region.c | 16 +++++++++++++--- drivers/gpu/drm/i915/intel_memory_region.h | 2 ++ 2 files changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_memory_region.c b/drivers/gpu/drm/i915/intel_memory_region.c index e38d2db1c3e3..3da07a712f90 100644 --- a/drivers/gpu/drm/i915/intel_memory_region.c +++ b/drivers/gpu/drm/i915/intel_memory_region.c @@ -231,7 +231,10 @@ intel_memory_region_create(struct drm_i915_private *i915, struct intel_memory_region *mem; int err; - mem = kzalloc(sizeof(*mem), GFP_KERNEL); + if (ops->alloc) + mem = ops->alloc(); + else + mem = kzalloc(sizeof(*mem), GFP_KERNEL); if (!mem) return ERR_PTR(-ENOMEM); @@ -265,7 +268,10 @@ intel_memory_region_create(struct drm_i915_private *i915, if (mem->ops->release) mem->ops->release(mem); err_free: - kfree(mem); + if (mem->ops->free) + mem->ops->free(mem); + else + kfree(mem); return ERR_PTR(err); } @@ -288,7 +294,11 @@ void intel_memory_region_destroy(struct intel_memory_region *mem) GEM_WARN_ON(!list_empty_careful(&mem->objects.list)); mutex_destroy(&mem->objects.lock); - if (!ret) + if (ret) + return; + if (mem->ops->free) + mem->ops->free(mem); + else kfree(mem); } diff --git a/drivers/gpu/drm/i915/intel_memory_region.h b/drivers/gpu/drm/i915/intel_memory_region.h index 3d8378c1b447..048955b5429f 100644 --- a/drivers/gpu/drm/i915/intel_memory_region.h +++ b/drivers/gpu/drm/i915/intel_memory_region.h @@ -61,6 +61,8 @@ struct intel_memory_region_ops { resource_size_t size, resource_size_t page_size, unsigned int flags); + struct intel_memory_region *(*alloc)(void); + void (*free)(struct intel_memory_region *mem); }; struct intel_memory_region {