From patchwork Tue Nov 12 02:10:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yue Haibing X-Patchwork-Id: 11238795 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 46A061850 for ; Tue, 12 Nov 2019 08:13:47 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 2F41221925 for ; Tue, 12 Nov 2019 08:13:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2F41221925 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 975C66EA67; Tue, 12 Nov 2019 08:13:38 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from huawei.com (szxga05-in.huawei.com [45.249.212.191]) by gabe.freedesktop.org (Postfix) with ESMTPS id EA6AF6E340; Tue, 12 Nov 2019 02:12:03 +0000 (UTC) Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 7A28C9AFCD83B5867FBA; Tue, 12 Nov 2019 10:12:00 +0800 (CST) Received: from localhost (10.133.213.239) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.439.0; Tue, 12 Nov 2019 10:11:50 +0800 From: YueHaibing To: , , , , , , , , , , Subject: [PATCH v2 -next] drm/amd/display: remove set but not used variable 'bpc' Date: Tue, 12 Nov 2019 10:10:50 +0800 Message-ID: <20191112021050.13128-1-yuehaibing@huawei.com> X-Mailer: git-send-email 2.10.2.windows.1 In-Reply-To: <20191109093538.23964-1-yuehaibing@huawei.com> References: <20191109093538.23964-1-yuehaibing@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.133.213.239] X-CFilter-Loop: Reflected X-Mailman-Approved-At: Tue, 12 Nov 2019 08:13:33 +0000 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: YueHaibing , dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Fixes gcc '-Wunused-but-set-variable' warning: drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c: In function get_pbn_from_timing: drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:2364:11: warning: variable bpc set but not used [-Wunused-but-set-variable] It is not used since commit e49f69363adf ("drm/amd/display: use proper formula to calculate bandwidth from timing"), this also remove get_color_depth(), which is only used here. Signed-off-by: YueHaibing --- v2: also remove unused get_color_depth() --- drivers/gpu/drm/amd/display/dc/core/dc_link.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index bdc8be3..1be4277 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -2638,28 +2638,13 @@ static struct fixed31_32 get_pbn_per_slot(struct dc_stream_state *stream) return dc_fixpt_div_int(mbytes_per_sec, 54); } -static int get_color_depth(enum dc_color_depth color_depth) -{ - switch (color_depth) { - case COLOR_DEPTH_666: return 6; - case COLOR_DEPTH_888: return 8; - case COLOR_DEPTH_101010: return 10; - case COLOR_DEPTH_121212: return 12; - case COLOR_DEPTH_141414: return 14; - case COLOR_DEPTH_161616: return 16; - default: return 0; - } -} - static struct fixed31_32 get_pbn_from_timing(struct pipe_ctx *pipe_ctx) { - uint32_t bpc; uint64_t kbps; struct fixed31_32 peak_kbps; uint32_t numerator; uint32_t denominator; - bpc = get_color_depth(pipe_ctx->stream_res.pix_clk_params.color_depth); kbps = dc_bandwidth_in_kbps_from_timing(&pipe_ctx->stream->timing); /*