From patchwork Thu May 19 16:29:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Morgan X-Patchwork-Id: 12855781 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 95F3EC433F5 for ; Thu, 19 May 2022 16:30:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8646410E478; Thu, 19 May 2022 16:30:08 +0000 (UTC) Received: from mail-oi1-x22c.google.com (mail-oi1-x22c.google.com [IPv6:2607:f8b0:4864:20::22c]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5F38610F1EF for ; Thu, 19 May 2022 16:29:59 +0000 (UTC) Received: by mail-oi1-x22c.google.com with SMTP id i66so7050993oia.11 for ; Thu, 19 May 2022 09:29:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=eDj9YtrL+ME/X2nogJu52e1JjwHXOpFB8AWWGPpN1JI=; b=GopHsktLl1FQHiOTG2Rcl7tq6cJcuAMLUPz/tIktAVi4pFMYnsHSyGZ/yNj18WFDUC qVvLfkJjJBsrQ9FK3hKmBv/G2kWYIIGctov/JcnxBJpj6Fo2Dq5vH+K+7J1L7e3ChsVa oAlXRfBGdaapF58zbqZnvfDY2J/15YRO/sx91miCOxpNhbrH1aACE9iUw3kp/XAd/jXG ofWGsCWs9xkx9zdWP8X82Sp5A10NP+d+jfb8DWv6t59TgMlOZBxPdhYxOKuSVmklg2NU v+UThHdaGO4a2MCA1BahEdkdwuOOSV8jATDUHhwsurxzLnXZY8qRsUj4SWzrHpMK2+LW wt6g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=eDj9YtrL+ME/X2nogJu52e1JjwHXOpFB8AWWGPpN1JI=; b=Ecb50NubpG4SRyF8hsmn25EfJppD5kUm0npDouskaWWYT1zPGjJAHSOMzODWjkvzIL 4ro5FD44wtdBxxzvuOIfW8WbMtLdgesQuO59n+oy5WITAfzhnNYRz/0iCd46NEYiwKJj uVPwmLM9QESNcsCv/YwbDd+7sO2IxiRjhMqxkTDNwcQo+HgTbqEQJdxNIVXNJT26nkrt xEaw+D9uchhottdm4M5JcXMybcRcqGOWbBmjAT9cvBR+6UO5MnUHWXDSBGp+uA0ucrsH fXdnmJ66Jgc70HalRjirV/SnQU4ntafEpy3yT0g285rxVmo7/j9mz585VZXKbGv/C1Xl f2fA== X-Gm-Message-State: AOAM533DnC3D9ViGRoSUrNRah/uDcKBCRRrY1VOXZ9tpt+vedx+eclcK ZO4G8cJtddgFEAWiA34lrl2MhwOrc8EpLw== X-Google-Smtp-Source: ABdhPJyRSED3NYB6g3npUapZBROIw+TePvZdH0R/K6jTKuECnoY/NSeSywuMIYCDp1g99Vxzp2Wo5Q== X-Received: by 2002:a05:6808:ec7:b0:322:2bcc:42c2 with SMTP id q7-20020a0568080ec700b003222bcc42c2mr3283588oiv.168.1652977796926; Thu, 19 May 2022 09:29:56 -0700 (PDT) Received: from wintermute.localdomain (cpe-76-183-134-35.tx.res.rr.com. [76.183.134.35]) by smtp.gmail.com with ESMTPSA id n4-20020a056870844400b000e92295f8acsm36562oak.2.2022.05.19.09.29.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 May 2022 09:29:56 -0700 (PDT) From: Chris Morgan To: dri-devel@lists.freedesktop.org Subject: [RESEND 6/6 v2] drm/vc4: dpi: Support DPI interface in mode3 for RGB565 Date: Thu, 19 May 2022 11:29:35 -0500 Message-Id: <20220519162935.1585-7-macroalpha82@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220519162935.1585-1-macroalpha82@gmail.com> References: <20220519162935.1585-1-macroalpha82@gmail.com> 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: devicetree@vger.kernel.org, krzysztof.kozlowski+dt@linaro.org, emma@anholt.net, Dave Stevenson , airlied@linux.ie, Chris Morgan , robh+dt@kernel.org, thierry.reding@gmail.com, mchehab@kernel.org, sam@ravnborg.org, linux-media@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Chris Morgan Add support for the VC4 DPI driver to utilize DPI mode 3. This is defined here as xxxRRRRRxxGGGGGGxxxBBBBB: https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#parallel-display-interface-dpi This mode is required to use the Geekworm MZP280 DPI display. Signed-off-by: Chris Morgan Reviewed-by: Dave Stevenson --- drivers/gpu/drm/vc4/vc4_dpi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/vc4/vc4_dpi.c b/drivers/gpu/drm/vc4/vc4_dpi.c index c180eb60b..3c58ade25 100644 --- a/drivers/gpu/drm/vc4/vc4_dpi.c +++ b/drivers/gpu/drm/vc4/vc4_dpi.c @@ -173,6 +173,10 @@ static void vc4_dpi_encoder_enable(struct drm_encoder *encoder) dpi_c |= VC4_SET_FIELD(DPI_FORMAT_16BIT_565_RGB_3, DPI_FORMAT); break; + case MEDIA_BUS_FMT_RGB565_1X24_CPADHI: + dpi_c |= VC4_SET_FIELD(DPI_FORMAT_16BIT_565_RGB_2, + DPI_FORMAT); + break; default: DRM_ERROR("Unknown media bus format %d\n", bus_format); break;