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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63BB9C7618A for ; Thu, 16 Mar 2023 09:52:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230220AbjCPJwh (ORCPT ); Thu, 16 Mar 2023 05:52:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55394 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230200AbjCPJwd (ORCPT ); Thu, 16 Mar 2023 05:52:33 -0400 Received: from out30-131.freemail.mail.aliyun.com (out30-131.freemail.mail.aliyun.com [115.124.30.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A92E475A60 for ; Thu, 16 Mar 2023 02:52:21 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R401e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046059;MF=jiapeng.chong@linux.alibaba.com;NM=1;PH=DS;RN=10;SR=0;TI=SMTPD_---0Ve-ANIv_1678960336; Received: from localhost(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0Ve-ANIv_1678960336) by smtp.aliyun-inc.com; Thu, 16 Mar 2023 17:52:18 +0800 From: Jiapeng Chong To: alexander.deucher@amd.com Cc: christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Jiapeng Chong , Abaci Robot Subject: [PATCH 2/2] drm/amd/display: Remove the unused function link_timing_bandwidth_kbps() Date: Thu, 16 Mar 2023 17:51:43 +0800 Message-Id: <20230316095143.73368-2-jiapeng.chong@linux.alibaba.com> X-Mailer: git-send-email 2.20.1.7.g153144c In-Reply-To: <20230316095143.73368-1-jiapeng.chong@linux.alibaba.com> References: <20230316095143.73368-1-jiapeng.chong@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The function link_timing_bandwidth_kbps is defined in the link_validation.c file, but not called elsewhere, so remove this unused function. drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_validation.c:258:10: warning: no previous prototype for ‘link_timing_bandwidth_kbps’. Reported-by: Abaci Robot Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4547 Signed-off-by: Jiapeng Chong --- .../drm/amd/display/dc/link/link_validation.c | 51 ------------------- 1 file changed, 51 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/link/link_validation.c b/drivers/gpu/drm/amd/display/dc/link/link_validation.c index 9a5010f86003..afbd22631721 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_validation.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_validation.c @@ -255,57 +255,6 @@ uint32_t dp_link_bandwidth_kbps( return link_rate_per_lane_kbps * link_settings->lane_count / 10000 * total_data_bw_efficiency_x10000; } -uint32_t link_timing_bandwidth_kbps(const struct dc_crtc_timing *timing) -{ - uint32_t bits_per_channel = 0; - uint32_t kbps; - - if (timing->flags.DSC) - return dc_dsc_stream_bandwidth_in_kbps(timing, - timing->dsc_cfg.bits_per_pixel, - timing->dsc_cfg.num_slices_h, - timing->dsc_cfg.is_dp); - - switch (timing->display_color_depth) { - case COLOR_DEPTH_666: - bits_per_channel = 6; - break; - case COLOR_DEPTH_888: - bits_per_channel = 8; - break; - case COLOR_DEPTH_101010: - bits_per_channel = 10; - break; - case COLOR_DEPTH_121212: - bits_per_channel = 12; - break; - case COLOR_DEPTH_141414: - bits_per_channel = 14; - break; - case COLOR_DEPTH_161616: - bits_per_channel = 16; - break; - default: - ASSERT(bits_per_channel != 0); - bits_per_channel = 8; - break; - } - - kbps = timing->pix_clk_100hz / 10; - kbps *= bits_per_channel; - - if (timing->flags.Y_ONLY != 1) { - /*Only YOnly make reduce bandwidth by 1/3 compares to RGB*/ - kbps *= 3; - if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) - kbps /= 2; - else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422) - kbps = kbps * 2 / 3; - } - - return kbps; -} - static bool dp_validate_mode_timing( struct dc_link *link, const struct dc_crtc_timing *timing) -- 2.20.1.7.g153144c