From patchwork Mon Jan 31 19:15:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Detlev Casanova X-Patchwork-Id: 12731495 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 2FED3C433F5 for ; Tue, 1 Feb 2022 09:01:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6B6C610EA2A; Tue, 1 Feb 2022 09:01:15 +0000 (UTC) Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9DB7E10E16C for ; Mon, 31 Jan 2022 19:15:45 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: detlev) with ESMTPSA id 72D6E1F43762 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1643656544; bh=i6NoQVTbHUwZf0ykWHZ3AvGskHzTGTNtrPr+Ww5Wn0U=; h=From:To:Cc:Subject:Date:From; b=om+tgMrCX/R+n21Wps8deYGtCbx09zhvvOcAvwUyvgxKNiv8ckczPc+69wGtiKoVJ fLPVDx7C95Fvqbdx/2dInP72R0d0d9S5jNZNkuAH3jWocUpI1c2t7cz2OXqG6lR7mc 3EUfGZinbLF7T/ZoUmYjhSK9EYSjl3N/0vNGX+m2NktCC7+p2R1t8YgWtAzrR8F3n7 qGbmENxodSMq0ymJxiwn1dKNtSte0yXtXEPDsibGZr229yCT9YFLSvv++Za2hdiOOx WBbSFzaUDAcCeKw6+/3Y6HjyScghs6DdS1y6GWJpIM384u4qPCt/NHLCB4NFvCOHig 6xz8O5++87hwQ== From: Detlev Casanova To: linux-kernel@vger.kernel.org Subject: [PATCH] drm/panel-simple: Add a timing for the Raspberry Pi 7" panel Date: Mon, 31 Jan 2022 14:15:17 -0500 Message-Id: <20220131191517.30249-1-detlev.casanova@collabora.com> X-Mailer: git-send-email 2.35.0 MIME-Version: 1.0 X-Mailman-Approved-At: Tue, 01 Feb 2022 09:01:14 +0000 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: Detlev Casanova , Dave Stevenson , David Airlie , dri-devel@lists.freedesktop.org, Thierry Reding , Sam Ravnborg Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Dave Stevenson The Raspberry Pi 7" 800x480 panel uses a Toshiba TC358762 DSI to DPI bridge chip, so there is a requirement for the timings to be specified for the end panel. Add such a definition. Signed-off-by: Dave Stevenson Signed-off-by: Detlev Casanova --- drivers/gpu/drm/panel/panel-simple.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 0c8786ebffd1..c4696626b75d 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -3013,6 +3013,31 @@ static const struct panel_desc qishenglong_gopher2b_lcd = { .connector_type = DRM_MODE_CONNECTOR_DPI, }; +static const struct drm_display_mode raspberrypi_7inch_mode = { + .clock = 25979400 / 1000, + .hdisplay = 800, + .hsync_start = 800 + 2, + .hsync_end = 800 + 2 + 2, + .htotal = 800 + 2 + 2 + 46, + .vdisplay = 480, + .vsync_start = 480 + 7, + .vsync_end = 480 + 7 + 2, + .vtotal = 480 + 7 + 2 + 21, + .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC, +}; + +static const struct panel_desc raspberrypi_7inch = { + .modes = &raspberrypi_7inch_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 154, + .height = 86, + }, + .bus_format = MEDIA_BUS_FMT_RGB888_1X24, + .connector_type = DRM_MODE_CONNECTOR_DSI, +}; + static const struct display_timing rocktech_rk070er9427_timing = { .pixelclock = { 26400000, 33300000, 46800000 }, .hactive = { 800, 800, 800 }, @@ -3958,6 +3983,9 @@ static const struct of_device_id platform_of_match[] = { }, { .compatible = "qishenglong,gopher2b-lcd", .data = &qishenglong_gopher2b_lcd, + }, { + .compatible = "raspberrypi,7inch-dsi", + .data = &raspberrypi_7inch, }, { .compatible = "rocktech,rk070er9427", .data = &rocktech_rk070er9427,