From patchwork Wed Nov 19 17:58:56 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Christian_K=C3=B6nig?= X-Patchwork-Id: 5340131 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 85A709F2F1 for ; Wed, 19 Nov 2014 17:59:09 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id ADEC2201F5 for ; Wed, 19 Nov 2014 17:59:08 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 7300C200E5 for ; Wed, 19 Nov 2014 17:59:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 86FBA6EB9B; Wed, 19 Nov 2014 09:59:04 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from pegasos-out.vodafone.de (pegasos-out.vodafone.de [80.84.1.38]) by gabe.freedesktop.org (Postfix) with ESMTP id C4EA76EB9B for ; Wed, 19 Nov 2014 09:59:03 -0800 (PST) Received: from localhost (localhost.localdomain [127.0.0.1]) by pegasos-out.vodafone.de (Rohrpostix2 Daemon) with ESMTP id 298B05A5028; Wed, 19 Nov 2014 18:59:01 +0100 (CET) X-Virus-Scanned: amavisd-new at vodafone.de X-Spam-Score: 0.202 X-Spam-Level: X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, FREEMAIL_FROM,RCVD_IN_DNSWL_MED,T_DKIM_INVALID,T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Authentication-Results: rohrpostix2.prod.vfnet.de (amavisd-new); dkim=pass header.i=@vodafone.de Received: from pegasos-out.vodafone.de ([127.0.0.1]) by localhost (rohrpostix2.prod.vfnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Qa-PuyFi-On0; Wed, 19 Nov 2014 18:58:59 +0100 (CET) Received: from smtp-04.vodafone.de (xsmail-dmz10.prod.vfnet.de [10.215.254.41]) by pegasos-out.vodafone.de (Rohrpostix2 Daemon) with ESMTP id 7C1BA5A5027; Wed, 19 Nov 2014 18:58:59 +0100 (CET) X-DKIM: OpenDKIM Filter v2.6.8 pegasos-out.vodafone.de 7C1BA5A5027 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vodafone.de; s=mail; t=1416419939; bh=78onLyaH43zl4ZQ5rxVb5okLjNOwJLtUOMm5LtXPDDw=; h=From:To:Cc:Subject:Date; b=iexGV7fjPr2hPQzSKuKAB4g8EBo+tCHkODvSXFbn5VP9EYHQGrE4CiPBxBeVleThb cV2RZ9JCNoQn+SxYtEiTF7CTRvsI3sBtq6VJaBedIapDng/NNf+hjd2BxSMAtYvrbK 9PPC0I3E6Pu5gIxblPYknqmZrVT29wPSQknSySt8= X-DKIM: OpenDKIM Filter v2.0.2 smtp-04.vodafone.de 22F8DE61B3 X-Virus-Scanned: amavisd-new at vodafone.de Received: from smtp-04.vodafone.de ([127.0.0.1]) by localhost (xsmail-dmz10.prod.vfnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tywHJJ9w+vbF; Wed, 19 Nov 2014 18:58:56 +0100 (CET) From: =?UTF-8?q?Christian=20K=C3=B6nig?= To: alexdeucher@gmail.com Subject: [PATCH] drm/radeon: update the VM after setting BO address v4 Date: Wed, 19 Nov 2014 18:58:56 +0100 Message-Id: <1416419936-3312-1-git-send-email-deathsimple@vodafone.de> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 Cc: dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Christian König This way the necessary VM update is kicked off immediately if all BOs involved are in GPU accessible memory. v2: fix vm lock v3: immediately update unmaps as well v4: use drm_free_large instead of kfree Signed-off-by: Christian König Tested-by: Kai Wasserbäch --- drivers/gpu/drm/radeon/radeon_gem.c | 64 +++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index f752c7f..a748a64 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -518,6 +518,68 @@ out: return r; } +/** + * radeon_gem_va_update_vm -update the bo_va in its VM + * + * @rdev: radeon_device pointer + * @bo_va: bo_va to update + * + * Update the bo_va directly after setting it's address. Errors are not + * vital here, so they are not reported back to userspace. + */ +static void radeon_gem_va_update_vm(struct radeon_device *rdev, + struct radeon_bo_va *bo_va) +{ + struct ttm_validate_buffer tv, *entry; + struct radeon_cs_reloc *vm_bos; + struct ww_acquire_ctx ticket; + struct list_head list; + unsigned domain; + int r; + + INIT_LIST_HEAD(&list); + + tv.bo = &bo_va->bo->tbo; + tv.shared = true; + list_add(&tv.head, &list); + + vm_bos = radeon_vm_get_bos(rdev, bo_va->vm, &list); + if (!vm_bos) + return; + + r = ttm_eu_reserve_buffers(&ticket, &list, true); + if (r) + goto error_free; + + list_for_each_entry(entry, &list, head) { + domain = radeon_mem_type_to_domain(entry->bo->mem.mem_type); + /* if anything is swapped out don't swap it in here, + just abort and wait for the next CS */ + if (domain == RADEON_GEM_DOMAIN_CPU) + goto error_unreserve; + } + + mutex_lock(&bo_va->vm->mutex); + r = radeon_vm_clear_freed(rdev, bo_va->vm); + if (r) + goto error_unlock; + + if (bo_va->it.start) + r = radeon_vm_bo_update(rdev, bo_va, &bo_va->bo->tbo.mem); + +error_unlock: + mutex_unlock(&bo_va->vm->mutex); + +error_unreserve: + ttm_eu_backoff_reservation(&ticket, &list); + +error_free: + drm_free_large(vm_bos); + + if (r) + DRM_ERROR("Couldn't update BO_VA (%d)\n", r); +} + int radeon_gem_va_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) { @@ -612,6 +674,8 @@ int radeon_gem_va_ioctl(struct drm_device *dev, void *data, default: break; } + if (!r) + radeon_gem_va_update_vm(rdev, bo_va); args->operation = RADEON_VA_RESULT_OK; if (r) { args->operation = RADEON_VA_RESULT_ERROR;