From patchwork Fri Mar 31 09:47:27 2017 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: 9655815 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C8890602BD for ; Fri, 31 Mar 2017 09:47:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B84DC28650 for ; Fri, 31 Mar 2017 09:47:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AD6C828662; Fri, 31 Mar 2017 09:47:54 +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=-3.6 required=2.0 tests=BAYES_00,DKIM_SIGNED, FREEMAIL_FROM,RCVD_IN_DNSWL_MED,RCVD_IN_SORBS_SPAM,T_DKIM_INVALID 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 6C78B28650 for ; Fri, 31 Mar 2017 09:47:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D8D486EA50; Fri, 31 Mar 2017 09:47:51 +0000 (UTC) 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 31AD56EA4C; Fri, 31 Mar 2017 09:47:37 +0000 (UTC) Received: from localhost (localhost.localdomain [127.0.0.1]) by pegasos-out.vodafone.de (Rohrpostix2 Daemon) with ESMTP id 4516468046F; Fri, 31 Mar 2017 11:47:35 +0200 (CEST) X-Virus-Scanned: amavisd-new at vodafone.de 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 I7fEb-1MIbgV; Fri, 31 Mar 2017 11:47:33 +0200 (CEST) Received: from smtp-02.vodafone.de (smtp-02.vodafone.de [10.215.254.37]) by pegasos-out.vodafone.de (Rohrpostix2 Daemon) with ESMTP id A9BCC680362; Fri, 31 Mar 2017 11:47:33 +0200 (CEST) X-DKIM: OpenDKIM Filter v2.6.8 pegasos-out.vodafone.de A9BCC680362 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vodafone.de; s=mail; t=1490953653; bh=7cQAppVvjS7CtV3jg5I0QA0GLmPXcBpd5aV8cjFZnok=; h=From:To:Subject:Date; b=JcXGZUCrK7S+XuKXLeLLv5KgEx4iVQVZVgZoh/3F09qjRlX/T4XlTPOCHYso04I56 Wbr2slbmdEUCo7DqRjEARDuegUHGX4Np8AWUb2ZRsDUcxgKklS0v/cN9XBaJLUYWSa gx3UPxFmEGVcnLHIELQiU6pF70RwIOlfNfvmWkMY= X-Virus-Scanned: amavisd-new at vodafone.de Received: from smtp-02.vodafone.de ([127.0.0.1]) by localhost (xsmail-dmz6.prod.vfnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id n-PUtwzH2SJu; Fri, 31 Mar 2017 11:47:29 +0200 (CEST) From: =?UTF-8?q?Christian=20K=C3=B6nig?= To: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH 1/6] drm/ttm: cleanup and optimize ttm_bo_mem_compat v2 Date: Fri, 31 Mar 2017 11:47:27 +0200 Message-Id: <1490953652-3703-1-git-send-email-deathsimple@vodafone.de> X-Mailer: git-send-email 2.5.0 MIME-Version: 1.0 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-Virus-Scanned: ClamAV using ClamSMTP From: Christian König No need to implement the same logic twice. Also check if the busy placements are identical to the already scanned placements before checking them. v2: improve check even more as suggested by Michel. Signed-off-by: Christian König --- drivers/gpu/drm/ttm/ttm_bo.c | 45 ++++++++++++++++++++++++-------------------- 1 file changed, 25 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 989b98b..348b17e 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -1046,29 +1046,17 @@ static int ttm_bo_move_buffer(struct ttm_buffer_object *bo, return ret; } -bool ttm_bo_mem_compat(struct ttm_placement *placement, - struct ttm_mem_reg *mem, - uint32_t *new_flags) +static bool ttm_bo_places_compat(const struct ttm_place *places, + unsigned num_placement, + struct ttm_mem_reg *mem, + uint32_t *new_flags) { - int i; + unsigned i; - for (i = 0; i < placement->num_placement; i++) { - const struct ttm_place *heap = &placement->placement[i]; - if (mem->mm_node && - (mem->start < heap->fpfn || - (heap->lpfn != 0 && (mem->start + mem->num_pages) > heap->lpfn))) - continue; + for (i = 0; i < num_placement; i++) { + const struct ttm_place *heap = &places[i]; - *new_flags = heap->flags; - if ((*new_flags & mem->placement & TTM_PL_MASK_CACHING) && - (*new_flags & mem->placement & TTM_PL_MASK_MEM)) - return true; - } - - for (i = 0; i < placement->num_busy_placement; i++) { - const struct ttm_place *heap = &placement->busy_placement[i]; - if (mem->mm_node && - (mem->start < heap->fpfn || + if (mem->mm_node && (mem->start < heap->fpfn || (heap->lpfn != 0 && (mem->start + mem->num_pages) > heap->lpfn))) continue; @@ -1077,6 +1065,23 @@ bool ttm_bo_mem_compat(struct ttm_placement *placement, (*new_flags & mem->placement & TTM_PL_MASK_MEM)) return true; } + return false; +} + +bool ttm_bo_mem_compat(struct ttm_placement *placement, + struct ttm_mem_reg *mem, + uint32_t *new_flags) +{ + if (ttm_bo_places_compat(placement->placement, placement->num_placement, + mem, new_flags)) + return true; + + if ((placement->busy_placement != placement->placement || + placement->num_busy_placement > placement->num_placement) && + ttm_bo_places_compat(placement->busy_placement, + placement->num_busy_placement, + mem, new_flags)) + return true; return false; }