From patchwork Tue Jul 5 10:25:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?UmV4LUJDIENoZW4gKOmZs+afj+i+sCk=?= X-Patchwork-Id: 12906322 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 65F05C433EF for ; Tue, 5 Jul 2022 10:28:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=v1I+bawPOdVZ4JNqqxiko2dDxkAgb6/6lHyLUJOhCeE=; b=aTPwE1Iu3r5TiT fxtTgkV8f4vc/vA50VbeqPppfJzQFXl5glGkcodsHU8I1/XF/fMelUmpLQov4Qa/OaNia7KyspqQA Bmqh903FqwwFE443VdtUffbYi34Jd6g76UIVAjFrU1VXxmWzZWwS29m8VLyK7uxVGGlWOO/C+VqYy qzcTFu1HVWIUN4STcjq9uMw0WJRcaVmCNaRp/ZW7Qk9TyUuX2U4gf36e+vQJBHn/Nc2yHQjdwEZuo Q999ydCIzckOAaYAr2C2lBLq/yurJ12kTfxzZry4ZZZAp7N9ANvhTWaFynM2DzBXyhlB31V3EuPIy tO9OB/7AqmBeUlfbKyKw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o8fm3-00H9X0-UN; Tue, 05 Jul 2022 10:27:20 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o8flz-00H9Ue-P3; Tue, 05 Jul 2022 10:27:17 +0000 X-UUID: 6f85287b836d4b308c049256d497f71a-20220705 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.8,REQID:8427f450-3b7f-43bf-a049-e36d6344569a,OB:0,LO B:0,IP:0,URL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACT ION:release,TS:-5 X-CID-META: VersionHash:0f94e32,CLOUDID:4dac7563-0b3f-4b2c-b3a6-ed5c044366a0,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil ,QS:nil,BEC:nil,COL:0 X-UUID: 6f85287b836d4b308c049256d497f71a-20220705 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 582353406; Tue, 05 Jul 2022 03:27:09 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.186) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Tue, 5 Jul 2022 18:25:33 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Tue, 5 Jul 2022 18:25:33 +0800 From: Bo-Chen Chen To: , , , , , , CC: , , , , , , , , , , , , , , Bo-Chen Chen Subject: [PATCH v16 3/5] drm/mediatek: dpi: Add input_2pixel config support Date: Tue, 5 Jul 2022 18:25:28 +0800 Message-ID: <20220705102530.1344-4-rex-bc.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220705102530.1344-1-rex-bc.chen@mediatek.com> References: <20220705102530.1344-1-rex-bc.chen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220705_032715_864189_85B9D284 X-CRM114-Status: GOOD ( 11.53 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The input pixel per iteration could be different, so we add a new config "input_2pixel" to control this. Signed-off-by: Bo-Chen Chen Reviewed-by: AngeloGioacchino Del Regno --- drivers/gpu/drm/mediatek/mtk_dpi.c | 7 +++++++ drivers/gpu/drm/mediatek/mtk_dpi_regs.h | 1 + 2 files changed, 8 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index da7b2c72881b..a1dcb3089c3a 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -124,6 +124,8 @@ struct mtk_dpi_yc_limit { * @is_ck_de_pol: Support CK/DE polarity. * @swap_input_support: Support input swap function. * @support_direct_pin: IP supports direct connection to dpi panels. + * @input_2pixel: Input pixel of dp_intf is 2 pixel per round, so enable this + * config to enable this feature. * @dimension_mask: Mask used for HWIDTH, HPORCH, VSYNC_WIDTH and VSYNC_PORCH * (no shift). * @hvsize_mask: Mask of HSIZE and VSIZE mask (no shift). @@ -141,6 +143,7 @@ struct mtk_dpi_conf { bool is_ck_de_pol; bool swap_input_support; bool support_direct_pin; + bool input_2pixel; u32 dimension_mask; u32 hvsize_mask; u32 channel_swap_shift; @@ -589,6 +592,10 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi, mtk_dpi_dual_edge(dpi); mtk_dpi_config_disable_edge(dpi); } + if (dpi->conf->input_2pixel) { + mtk_dpi_mask(dpi, DPI_CON, DPINTF_INPUT_2P_EN, + DPINTF_INPUT_2P_EN); + } mtk_dpi_sw_reset(dpi, false); return 0; diff --git a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h index 9ce300313f3e..305066577d41 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h +++ b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h @@ -40,6 +40,7 @@ #define FAKE_DE_LEVEN BIT(21) #define FAKE_DE_RODD BIT(22) #define FAKE_DE_REVEN BIT(23) +#define DPINTF_INPUT_2P_EN BIT(29) #define DPI_OUTPUT_SETTING 0x14 #define CH_SWAP 0