From patchwork Tue Jul 2 08:01:35 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 11027403 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 43A15112C for ; Tue, 2 Jul 2019 08:01:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2E7D328641 for ; Tue, 2 Jul 2019 08:01:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 21C2E2871A; Tue, 2 Jul 2019 08:01:52 +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 C842828641 for ; Tue, 2 Jul 2019 08:01:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C388889A5C; Tue, 2 Jul 2019 08:01:49 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2741589A5C for ; Tue, 2 Jul 2019 08:01:49 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 635D1B090; Tue, 2 Jul 2019 08:01:47 +0000 (UTC) From: Thomas Zimmermann To: kraxel@redhat.com, airlied@redhat.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, maxime.ripard@bootlin.com, sean@poorly.run, sam@ravnborg.org, z.liuxinliang@hisilicon.com, zourongrong@gmail.com, kong.kongxinwei@hisilicon.com, puck.chen@hisilicon.com, hdegoede@redhat.com Subject: [PATCH v2 1/5] drm/vram: Set GEM object functions for PRIME Date: Tue, 2 Jul 2019 10:01:35 +0200 Message-Id: <20190702080139.21814-2-tzimmermann@suse.de> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190702080139.21814-1-tzimmermann@suse.de> References: <20190702080139.21814-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Zimmermann , dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP PRIME functionality is now provided via the callback functions in struct drm_gem_object_funcs. The driver-structure functions are obsolete. As a side effect of this patch, VRAM-based drivers get basic PRIME support automatically without having to set any flags or additional fields. v2: - use existing PRIME functions for object's table Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/drm_gem_vram_helper.c | 15 +++++++++++++++ include/drm/drm_gem_vram_helper.h | 3 ++- 2 files changed, 17 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c index 4de782ca26b2..b775faf632ed 100644 --- a/drivers/gpu/drm/drm_gem_vram_helper.c +++ b/drivers/gpu/drm/drm_gem_vram_helper.c @@ -14,6 +14,18 @@ * (VRAM). It can be used for framebuffer devices with dedicated memory. */ +/* + * GEM object funcs + */ + +static const struct drm_gem_object_funcs drm_gem_vram_object_funcs = { + .free = drm_gem_vram_driver_gem_free_object_unlocked, + .pin = drm_gem_vram_driver_gem_prime_pin, + .unpin = drm_gem_vram_driver_gem_prime_unpin, + .vmap = drm_gem_vram_driver_gem_prime_vmap, + .vunmap = drm_gem_vram_driver_gem_prime_vunmap +}; + /* * Buffer-objects helpers */ @@ -80,6 +92,9 @@ static int drm_gem_vram_init(struct drm_device *dev, int ret; size_t acc_size; + if (!gbo->gem.funcs) + gbo->gem.funcs = &drm_gem_vram_object_funcs; + ret = drm_gem_object_init(dev, &gbo->gem, size); if (ret) return ret; diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h index 1a0ea18e7a74..bc8fe9feee3b 100644 --- a/include/drm/drm_gem_vram_helper.h +++ b/include/drm/drm_gem_vram_helper.h @@ -127,7 +127,8 @@ int drm_gem_vram_driver_dumb_mmap_offset(struct drm_file *file, .gem_free_object_unlocked = \ drm_gem_vram_driver_gem_free_object_unlocked, \ .dumb_create = drm_gem_vram_driver_dumb_create, \ - .dumb_map_offset = drm_gem_vram_driver_dumb_mmap_offset + .dumb_map_offset = drm_gem_vram_driver_dumb_mmap_offset, \ + .gem_prime_mmap = drm_gem_prime_mmap /* * PRIME helpers for struct drm_driver From patchwork Tue Jul 2 08:01:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 11027407 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 88982112C for ; Tue, 2 Jul 2019 08:01:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 73AA828641 for ; Tue, 2 Jul 2019 08:01:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 671E1287BB; Tue, 2 Jul 2019 08:01:56 +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 CDF4C28641 for ; Tue, 2 Jul 2019 08:01:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 79BA589A5E; Tue, 2 Jul 2019 08:01:51 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4675889A5D for ; Tue, 2 Jul 2019 08:01:49 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id C6A4AB0BA; Tue, 2 Jul 2019 08:01:47 +0000 (UTC) From: Thomas Zimmermann To: kraxel@redhat.com, airlied@redhat.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, maxime.ripard@bootlin.com, sean@poorly.run, sam@ravnborg.org, z.liuxinliang@hisilicon.com, zourongrong@gmail.com, kong.kongxinwei@hisilicon.com, puck.chen@hisilicon.com, hdegoede@redhat.com Subject: [PATCH v2 2/5] drm/bochs: Remove PRIME helpers from driver structure Date: Tue, 2 Jul 2019 10:01:36 +0200 Message-Id: <20190702080139.21814-3-tzimmermann@suse.de> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190702080139.21814-1-tzimmermann@suse.de> References: <20190702080139.21814-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Daniel Vetter , Thomas Zimmermann , dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP VRAM PRIME helpers are now called through GEM object functions. The driver callback functions are obsolete. Signed-off-by: Thomas Zimmermann Acked-by: Daniel Vetter --- drivers/gpu/drm/bochs/bochs_drv.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/bochs/bochs_drv.c b/drivers/gpu/drm/bochs/bochs_drv.c index 78ad6c98861d..f48b212a2535 100644 --- a/drivers/gpu/drm/bochs/bochs_drv.c +++ b/drivers/gpu/drm/bochs/bochs_drv.c @@ -73,7 +73,6 @@ static struct drm_driver bochs_driver = { .major = 1, .minor = 0, DRM_GEM_VRAM_DRIVER, - DRM_GEM_VRAM_DRIVER_PRIME, }; /* ---------------------------------------------------------------------- */ From patchwork Tue Jul 2 08:01:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 11027411 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 6AD0814C0 for ; Tue, 2 Jul 2019 08:01:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 552F628641 for ; Tue, 2 Jul 2019 08:01:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 493E7287BB; Tue, 2 Jul 2019 08:01:59 +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 0958C28641 for ; Tue, 2 Jul 2019 08:01:59 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 30A1389AA7; Tue, 2 Jul 2019 08:01:53 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id B02F289A4A for ; Tue, 2 Jul 2019 08:01:49 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 430D0B171; Tue, 2 Jul 2019 08:01:48 +0000 (UTC) From: Thomas Zimmermann To: kraxel@redhat.com, airlied@redhat.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, maxime.ripard@bootlin.com, sean@poorly.run, sam@ravnborg.org, z.liuxinliang@hisilicon.com, zourongrong@gmail.com, kong.kongxinwei@hisilicon.com, puck.chen@hisilicon.com, hdegoede@redhat.com Subject: [PATCH v2 3/5] drm/hibmc: Update struct drm_driver for GEM object functions Date: Tue, 2 Jul 2019 10:01:37 +0200 Message-Id: <20190702080139.21814-4-tzimmermann@suse.de> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190702080139.21814-1-tzimmermann@suse.de> References: <20190702080139.21814-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Daniel Vetter , Thomas Zimmermann , dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The GEM object's free function is now called through struct drm_gem_object_funcs.free. The function struct drm_driver.gem_prime_mmap is now required for mmap'ing GEM objects to userspace. v2: * set drm_driver.gem_prime_mmap to drm_gem_prime_mmap() Signed-off-by: Thomas Zimmermann Acked-by: Daniel Vetter --- drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c index ce89e56937b0..2f66ec05fec4 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c @@ -51,10 +51,9 @@ static struct drm_driver hibmc_driver = { .desc = "hibmc drm driver", .major = 1, .minor = 0, - .gem_free_object_unlocked = - drm_gem_vram_driver_gem_free_object_unlocked, .dumb_create = hibmc_dumb_create, .dumb_map_offset = drm_gem_vram_driver_dumb_mmap_offset, + .gem_prime_mmap = drm_gem_prime_mmap, .irq_handler = hibmc_drm_interrupt, }; From patchwork Tue Jul 2 08:01:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 11027413 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 09ABB14C0 for ; Tue, 2 Jul 2019 08:02:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E737A28641 for ; Tue, 2 Jul 2019 08:02:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DBC30287BB; Tue, 2 Jul 2019 08:02:00 +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 78BE528641 for ; Tue, 2 Jul 2019 08:02:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 652D089AB7; Tue, 2 Jul 2019 08:01:53 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 27D4189A4A for ; Tue, 2 Jul 2019 08:01:50 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id B0950B0E5; Tue, 2 Jul 2019 08:01:48 +0000 (UTC) From: Thomas Zimmermann To: kraxel@redhat.com, airlied@redhat.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, maxime.ripard@bootlin.com, sean@poorly.run, sam@ravnborg.org, z.liuxinliang@hisilicon.com, zourongrong@gmail.com, kong.kongxinwei@hisilicon.com, puck.chen@hisilicon.com, hdegoede@redhat.com Subject: [PATCH v2 4/5] drm/vbox: Remove empty PRIME functions Date: Tue, 2 Jul 2019 10:01:38 +0200 Message-Id: <20190702080139.21814-5-tzimmermann@suse.de> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190702080139.21814-1-tzimmermann@suse.de> References: <20190702080139.21814-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Zimmermann , dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The vbox driver uses VRAM helpers for memory management. These helpers provide a basic implmentation of PRIME functions, so the vbox driver's empty implmentation can be removed. As a side effect of this change, vbox can now use generic framebuffer emulation. Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/vboxvideo/Makefile | 2 +- drivers/gpu/drm/vboxvideo/vbox_drv.c | 9 ----- drivers/gpu/drm/vboxvideo/vbox_drv.h | 12 ------ drivers/gpu/drm/vboxvideo/vbox_prime.c | 56 -------------------------- 4 files changed, 1 insertion(+), 78 deletions(-) delete mode 100644 drivers/gpu/drm/vboxvideo/vbox_prime.c diff --git a/drivers/gpu/drm/vboxvideo/Makefile b/drivers/gpu/drm/vboxvideo/Makefile index 1224f313af0c..55d798c76b21 100644 --- a/drivers/gpu/drm/vboxvideo/Makefile +++ b/drivers/gpu/drm/vboxvideo/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 vboxvideo-y := hgsmi_base.o modesetting.o vbva_base.o \ vbox_drv.o vbox_fb.o vbox_hgsmi.o vbox_irq.o vbox_main.o \ - vbox_mode.o vbox_prime.o vbox_ttm.o + vbox_mode.o vbox_ttm.o obj-$(CONFIG_DRM_VBOXVIDEO) += vboxvideo.o diff --git a/drivers/gpu/drm/vboxvideo/vbox_drv.c b/drivers/gpu/drm/vboxvideo/vbox_drv.c index fa5e3149124d..6189ea89bb71 100644 --- a/drivers/gpu/drm/vboxvideo/vbox_drv.c +++ b/drivers/gpu/drm/vboxvideo/vbox_drv.c @@ -210,15 +210,6 @@ static struct drm_driver driver = { .patchlevel = DRIVER_PATCHLEVEL, DRM_GEM_VRAM_DRIVER, - .prime_handle_to_fd = drm_gem_prime_handle_to_fd, - .prime_fd_to_handle = drm_gem_prime_fd_to_handle, - .gem_prime_pin = vbox_gem_prime_pin, - .gem_prime_unpin = vbox_gem_prime_unpin, - .gem_prime_get_sg_table = vbox_gem_prime_get_sg_table, - .gem_prime_import_sg_table = vbox_gem_prime_import_sg_table, - .gem_prime_vmap = vbox_gem_prime_vmap, - .gem_prime_vunmap = vbox_gem_prime_vunmap, - .gem_prime_mmap = vbox_gem_prime_mmap, }; static int __init vbox_init(void) diff --git a/drivers/gpu/drm/vboxvideo/vbox_drv.h b/drivers/gpu/drm/vboxvideo/vbox_drv.h index 9028f946bc06..e8cb9efc6088 100644 --- a/drivers/gpu/drm/vboxvideo/vbox_drv.h +++ b/drivers/gpu/drm/vboxvideo/vbox_drv.h @@ -167,18 +167,6 @@ void vbox_mm_fini(struct vbox_private *vbox); int vbox_gem_create(struct vbox_private *vbox, u32 size, bool iskernel, struct drm_gem_object **obj); -/* vbox_prime.c */ -int vbox_gem_prime_pin(struct drm_gem_object *obj); -void vbox_gem_prime_unpin(struct drm_gem_object *obj); -struct sg_table *vbox_gem_prime_get_sg_table(struct drm_gem_object *obj); -struct drm_gem_object *vbox_gem_prime_import_sg_table( - struct drm_device *dev, struct dma_buf_attachment *attach, - struct sg_table *table); -void *vbox_gem_prime_vmap(struct drm_gem_object *obj); -void vbox_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); -int vbox_gem_prime_mmap(struct drm_gem_object *obj, - struct vm_area_struct *area); - /* vbox_irq.c */ int vbox_irq_init(struct vbox_private *vbox); void vbox_irq_fini(struct vbox_private *vbox); diff --git a/drivers/gpu/drm/vboxvideo/vbox_prime.c b/drivers/gpu/drm/vboxvideo/vbox_prime.c deleted file mode 100644 index 702b1aa53494..000000000000 --- a/drivers/gpu/drm/vboxvideo/vbox_prime.c +++ /dev/null @@ -1,56 +0,0 @@ -// SPDX-License-Identifier: MIT -/* - * Copyright (C) 2017 Oracle Corporation - * Copyright 2017 Canonical - * Authors: Andreas Pokorny - */ - -#include "vbox_drv.h" - -/* - * Based on qxl_prime.c: - * Empty Implementations as there should not be any other driver for a virtual - * device that might share buffers with vboxvideo - */ - -int vbox_gem_prime_pin(struct drm_gem_object *obj) -{ - WARN_ONCE(1, "not implemented"); - return -ENODEV; -} - -void vbox_gem_prime_unpin(struct drm_gem_object *obj) -{ - WARN_ONCE(1, "not implemented"); -} - -struct sg_table *vbox_gem_prime_get_sg_table(struct drm_gem_object *obj) -{ - WARN_ONCE(1, "not implemented"); - return ERR_PTR(-ENODEV); -} - -struct drm_gem_object *vbox_gem_prime_import_sg_table( - struct drm_device *dev, struct dma_buf_attachment *attach, - struct sg_table *table) -{ - WARN_ONCE(1, "not implemented"); - return ERR_PTR(-ENODEV); -} - -void *vbox_gem_prime_vmap(struct drm_gem_object *obj) -{ - WARN_ONCE(1, "not implemented"); - return ERR_PTR(-ENODEV); -} - -void vbox_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) -{ - WARN_ONCE(1, "not implemented"); -} - -int vbox_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *area) -{ - WARN_ONCE(1, "not implemented"); - return -ENODEV; -} From patchwork Tue Jul 2 08:01:39 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 11027409 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 42521112C for ; Tue, 2 Jul 2019 08:01:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2C37D28641 for ; Tue, 2 Jul 2019 08:01:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 20B86287BB; 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Tue, 2 Jul 2019 08:01:49 +0000 (UTC) From: Thomas Zimmermann To: kraxel@redhat.com, airlied@redhat.com, daniel@ffwll.ch, maarten.lankhorst@linux.intel.com, maxime.ripard@bootlin.com, sean@poorly.run, sam@ravnborg.org, z.liuxinliang@hisilicon.com, zourongrong@gmail.com, kong.kongxinwei@hisilicon.com, puck.chen@hisilicon.com, hdegoede@redhat.com Subject: [PATCH v2 5/5] drm/vram: Don't export driver callback functions for PRIME Date: Tue, 2 Jul 2019 10:01:39 +0200 Message-Id: <20190702080139.21814-6-tzimmermann@suse.de> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190702080139.21814-1-tzimmermann@suse.de> References: <20190702080139.21814-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Zimmermann , dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP PRIME functionality is now provided by GEM object functions. The driver callback functions are obsolete. So this patch renames them and turns them into static internal functions of the VRAM helper library. The implementation of gem_prime_mmap is now unused and the patch removes it. Signed-off-by: Thomas Zimmermann Reviewed-by: Emil Velikov --- Documentation/gpu/todo.rst | 4 +- drivers/gpu/drm/drm_gem_vram_helper.c | 183 +++++++++----------------- include/drm/drm_gem_vram_helper.h | 22 ---- 3 files changed, 61 insertions(+), 148 deletions(-) diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst index d49c1cc6dc28..3f6ecf846263 100644 --- a/Documentation/gpu/todo.rst +++ b/Documentation/gpu/todo.rst @@ -221,9 +221,7 @@ struct drm_gem_object_funcs GEM objects can now have a function table instead of having the callbacks on the DRM driver struct. This is now the preferred way and drivers can be moved over. -DRM_GEM_CMA_VMAP_DRIVER_OPS, DRM_GEM_SHMEM_DRIVER_OPS already support this, but -DRM_GEM_VRAM_DRIVER_PRIME does not yet and needs to be aligned with the previous -two. We also need a 2nd version of the CMA define that doesn't require the +We also need a 2nd version of the CMA define that doesn't require the vmapping to be present (different hook for prime importing). Plus this needs to be rolled out to all drivers using their own implementations, too. diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c index b775faf632ed..e86eb757f4be 100644 --- a/drivers/gpu/drm/drm_gem_vram_helper.c +++ b/drivers/gpu/drm/drm_gem_vram_helper.c @@ -18,12 +18,67 @@ * GEM object funcs */ +static void drm_gem_vram_object_free(struct drm_gem_object *gem) +{ + struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem); + + drm_gem_vram_put(gbo); +} + +static int drm_gem_vram_object_pin(struct drm_gem_object *gem) +{ + struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem); + + /* Fbdev console emulation is the use case of these PRIME + * helpers. This may involve updating a hardware buffer from + * a shadow FB. We pin the buffer to it's current location + * (either video RAM or system memory) to prevent it from + * being relocated during the update operation. If you require + * the buffer to be pinned to VRAM, implement a callback that + * sets the flags accordingly. + */ + return drm_gem_vram_pin(gbo, 0); +} + +static void drm_gem_vram_object_unpin(struct drm_gem_object *gem) +{ + struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem); + + drm_gem_vram_unpin(gbo); +} + +static void *drm_gem_vram_object_vmap(struct drm_gem_object *gem) +{ + struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem); + int ret; + void *base; + + ret = drm_gem_vram_pin(gbo, 0); + if (ret) + return NULL; + base = drm_gem_vram_kmap(gbo, true, NULL); + if (IS_ERR(base)) { + drm_gem_vram_unpin(gbo); + return NULL; + } + return base; +} + +static void drm_gem_vram_object_vunmap(struct drm_gem_object *gem, + void *vaddr) +{ + struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem); + + drm_gem_vram_kunmap(gbo); + drm_gem_vram_unpin(gbo); +} + static const struct drm_gem_object_funcs drm_gem_vram_object_funcs = { - .free = drm_gem_vram_driver_gem_free_object_unlocked, - .pin = drm_gem_vram_driver_gem_prime_pin, - .unpin = drm_gem_vram_driver_gem_prime_unpin, - .vmap = drm_gem_vram_driver_gem_prime_vmap, - .vunmap = drm_gem_vram_driver_gem_prime_vunmap + .free = drm_gem_vram_object_free, + .pin = drm_gem_vram_object_pin, + .unpin = drm_gem_vram_object_unpin, + .vmap = drm_gem_vram_object_vmap, + .vunmap = drm_gem_vram_object_vunmap }; /* @@ -478,19 +533,6 @@ EXPORT_SYMBOL(drm_gem_vram_mm_funcs); * Helpers for struct drm_driver */ -/** - * drm_gem_vram_driver_gem_free_object_unlocked() - \ - Implements &struct drm_driver.gem_free_object_unlocked - * @gem: GEM object. Refers to &struct drm_gem_vram_object.gem - */ -void drm_gem_vram_driver_gem_free_object_unlocked(struct drm_gem_object *gem) -{ - struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem); - - drm_gem_vram_put(gbo); -} -EXPORT_SYMBOL(drm_gem_vram_driver_gem_free_object_unlocked); - /** * drm_gem_vram_driver_create_dumb() - \ Implements &struct drm_driver.dumb_create @@ -549,108 +591,3 @@ int drm_gem_vram_driver_dumb_mmap_offset(struct drm_file *file, return 0; } EXPORT_SYMBOL(drm_gem_vram_driver_dumb_mmap_offset); - -/* - * PRIME helpers for struct drm_driver - */ - -/** - * drm_gem_vram_driver_gem_prime_pin() - \ - Implements &struct drm_driver.gem_prime_pin - * @gem: The GEM object to pin - * - * Returns: - * 0 on success, or - * a negative errno code otherwise. - */ -int drm_gem_vram_driver_gem_prime_pin(struct drm_gem_object *gem) -{ - struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem); - - /* Fbdev console emulation is the use case of these PRIME - * helpers. This may involve updating a hardware buffer from - * a shadow FB. We pin the buffer to it's current location - * (either video RAM or system memory) to prevent it from - * being relocated during the update operation. If you require - * the buffer to be pinned to VRAM, implement a callback that - * sets the flags accordingly. - */ - return drm_gem_vram_pin(gbo, 0); -} -EXPORT_SYMBOL(drm_gem_vram_driver_gem_prime_pin); - -/** - * drm_gem_vram_driver_gem_prime_unpin() - \ - Implements &struct drm_driver.gem_prime_unpin - * @gem: The GEM object to unpin - */ -void drm_gem_vram_driver_gem_prime_unpin(struct drm_gem_object *gem) -{ - struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem); - - drm_gem_vram_unpin(gbo); -} -EXPORT_SYMBOL(drm_gem_vram_driver_gem_prime_unpin); - -/** - * drm_gem_vram_driver_gem_prime_vmap() - \ - Implements &struct drm_driver.gem_prime_vmap - * @gem: The GEM object to map - * - * Returns: - * The buffers virtual address on success, or - * NULL otherwise. - */ -void *drm_gem_vram_driver_gem_prime_vmap(struct drm_gem_object *gem) -{ - struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem); - int ret; - void *base; - - ret = drm_gem_vram_pin(gbo, 0); - if (ret) - return NULL; - base = drm_gem_vram_kmap(gbo, true, NULL); - if (IS_ERR(base)) { - drm_gem_vram_unpin(gbo); - return NULL; - } - return base; -} -EXPORT_SYMBOL(drm_gem_vram_driver_gem_prime_vmap); - -/** - * drm_gem_vram_driver_gem_prime_vunmap() - \ - Implements &struct drm_driver.gem_prime_vunmap - * @gem: The GEM object to unmap - * @vaddr: The mapping's base address - */ -void drm_gem_vram_driver_gem_prime_vunmap(struct drm_gem_object *gem, - void *vaddr) -{ - struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem); - - drm_gem_vram_kunmap(gbo); - drm_gem_vram_unpin(gbo); -} -EXPORT_SYMBOL(drm_gem_vram_driver_gem_prime_vunmap); - -/** - * drm_gem_vram_driver_gem_prime_mmap() - \ - Implements &struct drm_driver.gem_prime_mmap - * @gem: The GEM object to map - * @vma: The VMA describing the mapping - * - * Returns: - * 0 on success, or - * a negative errno code otherwise. - */ -int drm_gem_vram_driver_gem_prime_mmap(struct drm_gem_object *gem, - struct vm_area_struct *vma) -{ - struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem); - - gbo->gem.vma_node.vm_node.start = gbo->bo.vma_node.vm_node.start; - return drm_gem_prime_mmap(gem, vma); -} -EXPORT_SYMBOL(drm_gem_vram_driver_gem_prime_mmap); diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h index bc8fe9feee3b..b41d932eb53a 100644 --- a/include/drm/drm_gem_vram_helper.h +++ b/include/drm/drm_gem_vram_helper.h @@ -108,7 +108,6 @@ extern const struct drm_vram_mm_funcs drm_gem_vram_mm_funcs; * Helpers for struct drm_driver */ -void drm_gem_vram_driver_gem_free_object_unlocked(struct drm_gem_object *gem); int drm_gem_vram_driver_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args); @@ -124,29 +123,8 @@ int drm_gem_vram_driver_dumb_mmap_offset(struct drm_file *file, * &struct drm_driver with default functions. */ #define DRM_GEM_VRAM_DRIVER \ - .gem_free_object_unlocked = \ - drm_gem_vram_driver_gem_free_object_unlocked, \ .dumb_create = drm_gem_vram_driver_dumb_create, \ .dumb_map_offset = drm_gem_vram_driver_dumb_mmap_offset, \ .gem_prime_mmap = drm_gem_prime_mmap -/* - * PRIME helpers for struct drm_driver - */ - -int drm_gem_vram_driver_gem_prime_pin(struct drm_gem_object *obj); -void drm_gem_vram_driver_gem_prime_unpin(struct drm_gem_object *obj); -void *drm_gem_vram_driver_gem_prime_vmap(struct drm_gem_object *obj); -void drm_gem_vram_driver_gem_prime_vunmap(struct drm_gem_object *obj, - void *vaddr); -int drm_gem_vram_driver_gem_prime_mmap(struct drm_gem_object *obj, - struct vm_area_struct *vma); - -#define DRM_GEM_VRAM_DRIVER_PRIME \ - .gem_prime_pin = drm_gem_vram_driver_gem_prime_pin, \ - .gem_prime_unpin = drm_gem_vram_driver_gem_prime_unpin, \ - .gem_prime_vmap = drm_gem_vram_driver_gem_prime_vmap, \ - .gem_prime_vunmap = drm_gem_vram_driver_gem_prime_vunmap, \ - .gem_prime_mmap = drm_gem_vram_driver_gem_prime_mmap - #endif