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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 8540CC433E0 for ; Sat, 6 Feb 2021 13:51:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5429364EBC for ; Sat, 6 Feb 2021 13:51:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229997AbhBFNvN (ORCPT ); Sat, 6 Feb 2021 08:51:13 -0500 Received: from gloria.sntech.de ([185.11.138.130]:49114 "EHLO gloria.sntech.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229790AbhBFNvH (ORCPT ); Sat, 6 Feb 2021 08:51:07 -0500 Received: from p508fcd06.dip0.t-ipconnect.de ([80.143.205.6] helo=phil.fritz.box) by gloria.sntech.de with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1l8Nyg-0007o1-Ae; Sat, 06 Feb 2021 14:50:22 +0100 From: Heiko Stuebner To: thierry.reding@gmail.com, sam@ravnborg.org Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Heiko Stuebner Subject: [PATCH] drm/panel: kd35t133: allow using non-continuous dsi clock Date: Sat, 6 Feb 2021 14:50:20 +0100 Message-Id: <20210206135020.1991820-1-heiko@sntech.de> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The panel is able to work when dsi clock is non-continuous, thus the system power consumption can be reduced using such feature. Add MIPI_DSI_CLOCK_NON_CONTINUOUS to panel's mode_flags. Also the flag actually becomes necessary after commit c6d94e37bdbb ("drm/bridge/synopsys: dsi: add support for non-continuous HS clock") and without it the panel only emits stripes instead of output. Signed-off-by: Heiko Stuebner --- drivers/gpu/drm/panel/panel-elida-kd35t133.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-elida-kd35t133.c b/drivers/gpu/drm/panel/panel-elida-kd35t133.c index bc36aa3c1123..fe5ac3ef9018 100644 --- a/drivers/gpu/drm/panel/panel-elida-kd35t133.c +++ b/drivers/gpu/drm/panel/panel-elida-kd35t133.c @@ -265,7 +265,8 @@ static int kd35t133_probe(struct mipi_dsi_device *dsi) dsi->lanes = 1; dsi->format = MIPI_DSI_FMT_RGB888; dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | - MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_EOT_PACKET; + MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_EOT_PACKET | + MIPI_DSI_CLOCK_NON_CONTINUOUS; drm_panel_init(&ctx->panel, &dsi->dev, &kd35t133_funcs, DRM_MODE_CONNECTOR_DSI); -- 2.29.2