From patchwork Wed Oct 5 18:16:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marijn Suijten X-Patchwork-Id: 12999569 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 9052AC433F5 for ; Wed, 5 Oct 2022 18:17:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 26C2F10E734; Wed, 5 Oct 2022 18:17:20 +0000 (UTC) Received: from relay07.th.seeweb.it (relay07.th.seeweb.it [5.144.164.168]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4BFF510E307 for ; Wed, 5 Oct 2022 18:17:15 +0000 (UTC) Received: from localhost.localdomain (94-209-172-39.cable.dynamic.v4.ziggo.nl [94.209.172.39]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by m-r2.th.seeweb.it (Postfix) with ESMTPSA id BBE6A3F5B6; Wed, 5 Oct 2022 20:17:12 +0200 (CEST) From: Marijn Suijten To: phone-devel@vger.kernel.org, Rob Clark , Dmitry Baryshkov , Vinod Koul Subject: [PATCH v2 2/7] drm/msm/dsi: Remove repeated calculation of slice_per_intf Date: Wed, 5 Oct 2022 20:16:52 +0200 Message-Id: <20221005181657.784375-3-marijn.suijten@somainline.org> X-Mailer: git-send-email 2.38.0 In-Reply-To: <20221005181657.784375-1-marijn.suijten@somainline.org> References: <20221005181657.784375-1-marijn.suijten@somainline.org> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: freedreno@lists.freedesktop.org, Douglas Anderson , Thomas Zimmermann , Jami Kettunen , Vladimir Lypak , linux-arm-msm@vger.kernel.org, Konrad Dybcio , Abhinav Kumar , dri-devel@lists.freedesktop.org, Javier Martinez Canillas , David Airlie , Martin Botka , ~postmarketos/upstreaming@lists.sr.ht, AngeloGioacchino Del Regno , Alex Deucher , Marijn Suijten , Sean Paul , Bjorn Andersson , linux-kernel@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" slice_per_intf is already computed for intf_width, which holds the same value as hdisplay. Fixes: 08802f515c3c ("drm/msm/dsi: Add support for DSC configuration") Reviewed-by: Bjorn Andersson Reviewed-by: Konrad Dybcio Reviewed-by: Abhinav Kumar Reviewed-by: Vinod Koul Signed-off-by: Marijn Suijten --- drivers/gpu/drm/msm/dsi/dsi_host.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 70077d1f0f21..c746ed5d61f9 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -842,7 +842,7 @@ static void dsi_ctrl_config(struct msm_dsi_host *msm_host, bool enable, static void dsi_update_dsc_timing(struct msm_dsi_host *msm_host, bool is_cmd_mode, u32 hdisplay) { struct drm_dsc_config *dsc = msm_host->dsc; - u32 reg, intf_width, reg_ctrl, reg_ctrl2; + u32 reg, reg_ctrl, reg_ctrl2; u32 slice_per_intf, total_bytes_per_intf; u32 pkt_per_line; u32 bytes_in_slice; @@ -851,8 +851,7 @@ static void dsi_update_dsc_timing(struct msm_dsi_host *msm_host, bool is_cmd_mod /* first calculate dsc parameters and then program * compress mode registers */ - intf_width = hdisplay; - slice_per_intf = DIV_ROUND_UP(intf_width, dsc->slice_width); + slice_per_intf = DIV_ROUND_UP(hdisplay, dsc->slice_width); /* If slice_per_pkt is greater than slice_per_intf * then default to 1. This can happen during partial @@ -861,7 +860,6 @@ static void dsi_update_dsc_timing(struct msm_dsi_host *msm_host, bool is_cmd_mod if (slice_per_intf > dsc->slice_count) dsc->slice_count = 1; - slice_per_intf = DIV_ROUND_UP(hdisplay, dsc->slice_width); bytes_in_slice = DIV_ROUND_UP(dsc->slice_width * dsc->bits_per_pixel, 8); dsc->slice_chunk_size = bytes_in_slice;