From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 50F46C4361B for ; Mon, 14 Dec 2020 23:42:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 143B422510 for ; Mon, 14 Dec 2020 23:42:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727394AbgLNXly (ORCPT ); Mon, 14 Dec 2020 18:41:54 -0500 Received: from mail.kernel.org ([198.145.29.99]:50756 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727138AbgLNXlM (ORCPT ); Mon, 14 Dec 2020 18:41:12 -0500 X-Gm-Message-State: AOAM532T73sOa/tLtZ8RcHUU1nAmTJOXOXSW/6rg4c8auemmWIYLoaST iKKnlhSfG+ydiCBzttEsBzKcRqYne/R2kS0uVg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1607989232; bh=lSvX6jnFQqoxIpPBccW/7g9EJN/cgkuyf1nA2W1wiv8=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=XSQOCR9KRlZI2AHdmt/ukZlEy89IoEm17SJs3lOD0fZiwwAd43Q1ReNJNrxkWj9gr 8wXhz/am3uKMBcRbdr1lrKQ/1Zf+pLtwkh8TwbLCW8U6op3W87xpjiNg1yyvDCUit2 TkxSp0wuaQE8Vq8OXCpT/74qRGMrMr8MsDwD3I5px5wT5ncNdVZQDmMHzzIuGPBB/p Gsw50I6FiXK/PC9gLUdx0JugG/usVDEiEnYyZQyK3OVJyaYjgq1rP0cmthpnJb+zLf tkzZIrMU6U9JLjKuKBK/ptdlAuYRnqx6XwrPMJJDlXbS8WInT9vAYTOCXh8FSM7X5q rfNwqP9PsJxFg== X-Google-Smtp-Source: ABdhPJyMR1hWv0NrAVLxlYf3urPvZsTPggqomRIMAVMLDR99rCR51PGzTsrrsSQzNCxZ8SbUppoaI6FehtXfPLhv9Uw= X-Received: by 2002:a05:6402:845:: with SMTP id b5mr44289edz.38.1607989230343; Mon, 14 Dec 2020 15:40:30 -0800 (PST) MIME-Version: 1.0 References: <1607746317-4696-1-git-send-email-yongqiang.niu@mediatek.com> <1607746317-4696-13-git-send-email-yongqiang.niu@mediatek.com> In-Reply-To: <1607746317-4696-13-git-send-email-yongqiang.niu@mediatek.com> From: Chun-Kuang Hu Date: Tue, 15 Dec 2020 07:40:19 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v2, 12/17] drm/mediatek: fix gamma size config To: Yongqiang Niu Cc: CK Hu , Philipp Zabel , Rob Herring , Matthias Brugger , Mark Rutland , DTML , David Airlie , linux-kernel , DRI Development , "moderated list:ARM/Mediatek SoC support" , Daniel Vetter , Linux ARM Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Yongqiang: Yongqiang Niu =E6=96=BC 2020=E5=B9=B412=E6=9C= =8812=E6=97=A5 =E9=80=B1=E5=85=AD =E4=B8=8B=E5=8D=8812:13=E5=AF=AB=E9=81=93= =EF=BC=9A > > fix gamma size config I would like you to provide more information. The original code works in mt8173, why do you modify this? The description may be something like this: According to data sheet, the width is in bits [31, 16] and height is in bits [15, 0]. Even though wrong setting may works in some SoC such as mt8173, but it does not work in mt8192. Regards, Chun-Kuang. > > Fixes: e0a5d3370245 (drm/mediatek: Add GAMMA engine basic function) > Signed-off-by: Yongqiang Niu > --- > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/dr= m/mediatek/mtk_drm_ddp_comp.c > index 00d5687..52b6fc7 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > @@ -297,7 +297,7 @@ static void mtk_gamma_config(struct mtk_ddp_comp *com= p, unsigned int w, > unsigned int h, unsigned int vrefresh, > unsigned int bpc, struct cmdq_pkt *cmdq_pkt) > { > - mtk_ddp_write(cmdq_pkt, h << 16 | w, comp, DISP_GAMMA_SIZE); > + mtk_ddp_write(cmdq_pkt, w << 16 | h, comp, DISP_GAMMA_SIZE); > mtk_dither_set(comp, bpc, DISP_GAMMA_CFG, cmdq_pkt); > } > > -- > 1.8.1.1.dirty > _______________________________________________ > Linux-mediatek mailing list > Linux-mediatek@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-mediatek From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2DE18C2BBCA for ; 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