From patchwork Tue Jan 24 12:57:24 2023 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: 13114047 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 518B0C38142 for ; Tue, 24 Jan 2023 12:57:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 287B210E675; Tue, 24 Jan 2023 12:57:37 +0000 (UTC) Received: from mail-wr1-x429.google.com (mail-wr1-x429.google.com [IPv6:2a00:1450:4864:20::429]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9ED6310E08F; Tue, 24 Jan 2023 12:57:30 +0000 (UTC) Received: by mail-wr1-x429.google.com with SMTP id q5so9126936wrv.0; Tue, 24 Jan 2023 04:57:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=WnDTolM8qBoIbUe7vHDdQk4YkkKNfOeAoa2vTaJSi/M=; b=DhfNXTcI2v2QHYxv9umiC/5D5n8A/je4MTy3mHE5KcltysHR7x2M0nBm9pmqKU/rdl rGgvf59qnPUWzqGgVy9Jiz4ziNpnR8SOJPbpE3AZ+09aSI9FSBQqvRKucsmt4gaUt3dg cZj2A97cwMQ7yxMkwRwtiBh1anG5M5inJiWaGBmzVKQyqybYnxkRRG+6b8VWrwKtvBiB eHyZAzGTNXScJLPpcs67FblN/jISmzpGApWYTlfLpMH+73ZwgHlMkaIs8iwf5BwUGrFB 7+P5zADDLUX8O6AZ81Pn5uATRXAqvcgESimBDQnj46A4gjyyDpbmxSjiuKVBsbcstAa9 gkfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=WnDTolM8qBoIbUe7vHDdQk4YkkKNfOeAoa2vTaJSi/M=; b=Fj+h5E7RxotAjeKMD+izjifRhwXJM9b9kz9I/vsnuHP4Ef5ajHIXdk3dwLHzow601g s8sR3iJrQCz3cf6oru9ptarsbOvrOYgKojEoHqNK4avqrBSkeqf7Naqo6grbDHqUUV2B fHfpbCvDWui9Xh7auJAoSYSHkZpIJCOIn3mQxqS0Np6aYr5PSCIA7RQrUJbeBHYuMlEv wmxHraqWnggDYPXfsRXjJxVg2X+HutqEGSXnSCXTIlspxZGSz4n532hL/Aja93Hs2UUd yon4+R/wo5Od9K9E6r+6eHV0WVDFmKFRv9VH+Okl0XdIxlwuScIHCvuxsrA6xqM+SjYv ioXg== X-Gm-Message-State: AFqh2krhT8UP2oh2JCVqt9pZgJE3XTHpAhsuIwR9rQd5SBDwObARCu8e ROuq/Lve1fgM42Ipd00K58LA2DuMjTc= X-Google-Smtp-Source: AMrXdXs0/lk+L5wTBOv7arfJMAncAUGNjBDlXTrVNGLoRSVPVfGsHoPrlh6Y0ITimsMk0vOg5nxWpA== X-Received: by 2002:a05:6000:24e:b0:2be:4639:ee26 with SMTP id m14-20020a056000024e00b002be4639ee26mr14223674wrz.0.1674565050126; Tue, 24 Jan 2023 04:57:30 -0800 (PST) Received: from able.fritz.box (p5b0ea2e7.dip0.t-ipconnect.de. [91.14.162.231]) by smtp.gmail.com with ESMTPSA id z18-20020a056000111200b002366dd0e030sm1820927wrw.68.2023.01.24.04.57.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Jan 2023 04:57:29 -0800 (PST) From: " =?utf-8?q?Christian_K=C3=B6nig?= " X-Google-Original-From: =?utf-8?q?Christian_K=C3=B6nig?= To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Date: Tue, 24 Jan 2023 13:57:24 +0100 Message-Id: <20230124125726.13323-3-christian.koenig@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230124125726.13323-1-christian.koenig@amd.com> References: <20230124125726.13323-1-christian.koenig@amd.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 3/5] drm/ttm: stop allocating a dummy resource for pipelined gutting X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" That should not be necessary any more when drivers should at least be able to handle a move without a resource. Signed-off-by: Christian König Reviewed-by: Matthew Auld --- drivers/gpu/drm/ttm/ttm_bo_util.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 7635d7d6b13b..d9d2b0903b22 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -704,30 +704,23 @@ EXPORT_SYMBOL(ttm_bo_move_sync_cleanup); */ int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo) { - static const struct ttm_place sys_mem = { .mem_type = TTM_PL_SYSTEM }; struct ttm_buffer_object *ghost; - struct ttm_resource *sys_res; struct ttm_tt *ttm; int ret; - ret = ttm_resource_alloc(bo, &sys_mem, &sys_res); - if (ret) - return ret; - /* If already idle, no need for ghost object dance. */ if (dma_resv_test_signaled(bo->base.resv, DMA_RESV_USAGE_BOOKKEEP)) { if (!bo->ttm) { /* See comment below about clearing. */ ret = ttm_tt_create(bo, true); if (ret) - goto error_free_sys_mem; + return ret; } else { ttm_tt_unpopulate(bo->bdev, bo->ttm); if (bo->type == ttm_bo_type_device) ttm_tt_mark_for_clear(bo->ttm); } ttm_resource_free(bo, &bo->resource); - ttm_bo_assign_mem(bo, sys_res); return 0; } @@ -744,7 +737,7 @@ int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo) ret = ttm_tt_create(bo, true); swap(bo->ttm, ttm); if (ret) - goto error_free_sys_mem; + return ret; ret = ttm_buffer_object_transfer(bo, &ghost); if (ret) @@ -760,13 +753,9 @@ int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo) dma_resv_unlock(&ghost->base._resv); ttm_bo_put(ghost); bo->ttm = ttm; - ttm_bo_assign_mem(bo, sys_res); return 0; error_destroy_tt: ttm_tt_destroy(bo->bdev, ttm); - -error_free_sys_mem: - ttm_resource_free(bo, &sys_res); return ret; }