From patchwork Fri Aug 9 12:04:23 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Lucas Stach X-Patchwork-Id: 11086329 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 32DA81399 for ; Fri, 9 Aug 2019 12:04:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2274228C73 for ; Fri, 9 Aug 2019 12:04:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1644528C84; Fri, 9 Aug 2019 12:04:36 +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 B052D28C73 for ; Fri, 9 Aug 2019 12:04:35 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 590F16EDEA; Fri, 9 Aug 2019 12:04:30 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9AE5C89949 for ; Fri, 9 Aug 2019 12:04:28 +0000 (UTC) Received: from dude02.hi.pengutronix.de ([2001:67c:670:100:1d::28] helo=dude02.pengutronix.de.) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1hw3dA-00055N-DU; Fri, 09 Aug 2019 14:04:24 +0200 From: Lucas Stach To: etnaviv@lists.freedesktop.org Subject: [PATCH v3 7/8] drm/etnaviv: provide MMU context to etnaviv_gem_mapping_get Date: Fri, 9 Aug 2019 14:04:23 +0200 Message-Id: <20190809120424.32679-7-l.stach@pengutronix.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190809120424.32679-1-l.stach@pengutronix.de> References: <20190809120424.32679-1-l.stach@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::28 X-SA-Exim-Mail-From: l.stach@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: dri-devel@lists.freedesktop.org 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: patchwork-lst@pengutronix.de, kernel@pengutronix.de, dri-devel@lists.freedesktop.org, Russell King Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP In preparation to having a context per process, etnaviv_gem_mapping_get should not use the current GPU context, but needs to be told which context to use. Signed-off-by: Lucas Stach Reviewed-by: Philipp Zabel Reviewed-by: Guido Günther --- drivers/gpu/drm/etnaviv/etnaviv_gem.c | 22 ++++++++++++-------- drivers/gpu/drm/etnaviv/etnaviv_gem.h | 3 ++- drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 3 ++- 3 files changed, 17 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c index 0ccc3c4dffc4..04c8170f76cd 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c @@ -248,7 +248,8 @@ void etnaviv_gem_mapping_unreference(struct etnaviv_vram_mapping *mapping) } struct etnaviv_vram_mapping *etnaviv_gem_mapping_get( - struct drm_gem_object *obj, struct etnaviv_gpu *gpu) + struct drm_gem_object *obj, struct etnaviv_gpu *gpu, + struct etnaviv_iommu_context *mmu_context) { struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj); struct etnaviv_vram_mapping *mapping; @@ -256,7 +257,7 @@ struct etnaviv_vram_mapping *etnaviv_gem_mapping_get( int ret = 0; mutex_lock(&etnaviv_obj->lock); - mapping = etnaviv_gem_get_vram_mapping(etnaviv_obj, gpu->mmu_context); + mapping = etnaviv_gem_get_vram_mapping(etnaviv_obj, mmu_context); if (mapping) { /* * Holding the object lock prevents the use count changing @@ -265,12 +266,12 @@ struct etnaviv_vram_mapping *etnaviv_gem_mapping_get( * the MMU owns this mapping to close this race. */ if (mapping->use == 0) { - mutex_lock(&gpu->mmu_context->lock); - if (mapping->context == gpu->mmu_context) + mutex_lock(&mmu_context->lock); + if (mapping->context == mmu_context) mapping->use += 1; else mapping = NULL; - mutex_unlock(&gpu->mmu_context->lock); + mutex_unlock(&mmu_context->lock); if (mapping) goto out; } else { @@ -303,11 +304,12 @@ struct etnaviv_vram_mapping *etnaviv_gem_mapping_get( list_del(&mapping->obj_node); } - mapping->context = gpu->mmu_context; + etnaviv_iommu_context_get(mmu_context); + mapping->context = mmu_context; mapping->use = 1; - ret = etnaviv_iommu_map_gem(gpu->mmu_context, etnaviv_obj, - gpu->memory_base, mapping); + ret = etnaviv_iommu_map_gem(mmu_context, etnaviv_obj, gpu->memory_base, + mapping); if (ret < 0) kfree(mapping); else @@ -529,8 +531,10 @@ void etnaviv_gem_free_object(struct drm_gem_object *obj) WARN_ON(mapping->use); - if (context) + if (context) { etnaviv_iommu_unmap_gem(context, mapping); + etnaviv_iommu_context_put(context); + } list_del(&mapping->obj_node); kfree(mapping); diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.h b/drivers/gpu/drm/etnaviv/etnaviv_gem.h index 5a004d5e4eaa..f342560b5938 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.h @@ -119,7 +119,8 @@ struct page **etnaviv_gem_get_pages(struct etnaviv_gem_object *obj); void etnaviv_gem_put_pages(struct etnaviv_gem_object *obj); struct etnaviv_vram_mapping *etnaviv_gem_mapping_get( - struct drm_gem_object *obj, struct etnaviv_gpu *gpu); + struct drm_gem_object *obj, struct etnaviv_gpu *gpu, + struct etnaviv_iommu_context *mmu_context); void etnaviv_gem_mapping_unreference(struct etnaviv_vram_mapping *mapping); #endif /* __ETNAVIV_GEM_H__ */ diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c index 3f4f6ab388de..7929d258daf8 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c @@ -224,7 +224,8 @@ static int submit_pin_objects(struct etnaviv_gem_submit *submit) struct etnaviv_vram_mapping *mapping; mapping = etnaviv_gem_mapping_get(&etnaviv_obj->base, - submit->gpu); + submit->gpu, + submit->gpu->mmu_context); if (IS_ERR(mapping)) { ret = PTR_ERR(mapping); break;