From patchwork Sun Mar 5 22:10:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 13160231 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 9E0B9C61DA4 for ; Sun, 5 Mar 2023 22:12:10 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B573C10E35C; Sun, 5 Mar 2023 22:11:48 +0000 (UTC) Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3098C10E0AA; Sun, 5 Mar 2023 22:11:44 +0000 (UTC) Received: from workpc.. (unknown [109.252.117.89]) (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: dmitry.osipenko) by madras.collabora.co.uk (Postfix) with ESMTPSA id 88FF366021D4; Sun, 5 Mar 2023 22:11:41 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1678054303; bh=TDFrhbBWF0ucqm92sCbpy3xDfts2RbHE70GCYFDMUb4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=byw/5vK60u75qY454Bl72GHjzJj560DDhYFhFQJ5C9TD11PhDfK0rtHAUmAFkjZWP 7+oVbeqeK4tgi5eKXmjQ//WhIs+oDsV96QiXmJaoHE28AXYD+yX9z63+DuMg1lT2DM kUv7VMU2lbpQz5rp3SOBewLDOQGfSRc2u/AJwP3LyhDSzgMT7FT6U3M0NNjueAcjNx I8Fk/Bgghohi6d21sbTGUQ7ghMN5W1Sn6qW3nYx0QQ+voCaKdZE/eC5UgdhDo4kJrq gvZVpqElKgvpxbfzWKoUyejlE3/s7UYlp7rj4Q6WlS0hBzL1NsJ48gKu2BWr8aIVsM jkTxVu9Wfrd+A== From: Dmitry Osipenko To: David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , Daniel Vetter , Daniel Almeida , Gustavo Padovan , Daniel Stone , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Sumit Semwal , =?utf-8?q?Christian_K=C3=B6nig?= , Qiang Yu , Steven Price , Alyssa Rosenzweig , Rob Herring Subject: [PATCH v12 09/11] drm/gem: Export drm_gem_pin/unpin() Date: Mon, 6 Mar 2023 01:10:09 +0300 Message-Id: <20230305221011.1404672-10-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230305221011.1404672-1-dmitry.osipenko@collabora.com> References: <20230305221011.1404672-1-dmitry.osipenko@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: intel-gfx@lists.freedesktop.org, kernel@collabora.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Export drm_gem_un/pin() functions. They will be used by VirtIO-GPU driver for pinning of an active framebuffer, preventing it from swapping out by memory shrinker. Signed-off-by: Dmitry Osipenko --- drivers/gpu/drm/drm_gem.c | 2 ++ drivers/gpu/drm/drm_internal.h | 2 -- include/drm/drm_gem.h | 3 +++ 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 3da34b121c93..6492c47b7142 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -1153,12 +1153,14 @@ int drm_gem_pin(struct drm_gem_object *obj) else return 0; } +EXPORT_SYMBOL(drm_gem_pin); void drm_gem_unpin(struct drm_gem_object *obj) { if (obj->funcs->unpin) obj->funcs->unpin(obj); } +EXPORT_SYMBOL(drm_gem_unpin); int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map) { diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h index d7e023bbb0d5..55d0ee7475f7 100644 --- a/drivers/gpu/drm/drm_internal.h +++ b/drivers/gpu/drm/drm_internal.h @@ -173,8 +173,6 @@ void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); void drm_gem_print_info(struct drm_printer *p, unsigned int indent, const struct drm_gem_object *obj); -int drm_gem_pin(struct drm_gem_object *obj); -void drm_gem_unpin(struct drm_gem_object *obj); int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map); void drm_gem_vunmap(struct drm_gem_object *obj, struct iosys_map *map); diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h index 7bd8e2bbbb36..f7703cb66569 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -493,4 +493,7 @@ unsigned long drm_gem_lru_scan(struct drm_gem_lru *lru, int drm_gem_evict(struct drm_gem_object *obj); +int drm_gem_pin(struct drm_gem_object *obj); +void drm_gem_unpin(struct drm_gem_object *obj); + #endif /* __DRM_GEM_H__ */