From patchwork Wed Jul 1 16:29:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Ond=C5=99ej_Jirman?= X-Patchwork-Id: 11636865 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5296F92A for ; Wed, 1 Jul 2020 16:32:03 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2B96720781 for ; Wed, 1 Jul 2020 16:32:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="aFCFF5WT"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=megous.com header.i=@megous.com header.b="tggq4Iap" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2B96720781 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=megous.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+lKbSw23il8j6O/Nwhd93KLsEZG3I9lXccnktMP9oMo=; b=aFCFF5WTAcp2EHv5vvQsWdEQL 92hDEqgB8H4jITxBK6KFUIxmcFRONC5J+q30rsSV2H3NkDxsJeC47xwdLd6JxnH9ZhrCOZnSekEgK Kl7hng930JcvkjHe3iq7yK0bx796lj9KyT3dg6L/MNxA9LNpa9JyxBu9Fj+0QryYVwmCo/TS5KpIw adVk3GN7uVmzidT4UJWFCLNtfC81+gSInx8AL/RndUlNtRecH31grRVjR+YtqkgYjW7RtY+BTjTRd LSLfrw2QQHr/eY4IW7XzxS1hjDXivPRFs9Pzg1+jIzU0l41rd7BkrTD529fTSI6ccqQAj02kQFJKG dnZY1dN1w==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jqfcw-0007Ag-Ii; Wed, 01 Jul 2020 16:30:26 +0000 Received: from vps.xff.cz ([195.181.215.36]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jqfc8-0006nQ-N4 for linux-arm-kernel@lists.infradead.org; Wed, 01 Jul 2020 16:29:40 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=megous.com; s=mail; t=1593620975; bh=xHG5qJNwJythr0yZAk0g86hoDZe3XW6J8JdaM3wh/Nw=; h=From:To:Cc:Subject:Date:References:From; b=tggq4IapBHxpnVXBDxWfiqOZwMos+DoXidEnSOW9FAAfQ2gfDy0hsC0MadCscT58R xXLBhRy/l60FNCcFW33qflNZOnM3XH4AcGO/tNGHUFzcgINoNSzoNHwmuQ6fg1nA0B 5X/Tn7BuGdydU8bb68mBB+MPR9JrpP5q9yLMzQ6Q= From: Ondrej Jirman To: linux-sunxi@googlegroups.com, Thierry Reding , Sam Ravnborg , David Airlie , Daniel Vetter , =?utf-8?q?Guido_G=C3=BCnther?= , Purism Kernel Team , Rob Herring , Maxime Ripard , Chen-Yu Tsai , Linus Walleij , Icenowy Zheng Subject: [PATCH v7 10/13] drm/panel: st7703: Enter sleep after display off Date: Wed, 1 Jul 2020 18:29:25 +0200 Message-Id: <20200701162928.1638874-11-megous@megous.com> In-Reply-To: <20200701162928.1638874-1-megous@megous.com> References: <20200701162928.1638874-1-megous@megous.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200701_122936_966006_A5C3690F X-CRM114-Status: GOOD ( 11.22 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ondrej Jirman , devicetree@vger.kernel.org, Samuel Holland , Bhushan Shah , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Luca Weiss , Martijn Braam , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The datasheet suggests to issue sleep in after display off as a part of the panel's shutdown sequence. Signed-off-by: Ondrej Jirman Reviewed-by: Linus Walleij --- drivers/gpu/drm/panel/panel-sitronix-st7703.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/drm/panel/panel-sitronix-st7703.c index dadb482b244d..7750179bca60 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c @@ -393,8 +393,19 @@ static int st7703_disable(struct drm_panel *panel) { struct st7703 *ctx = panel_to_st7703(panel); struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + int ret; + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret < 0) + DRM_DEV_ERROR(ctx->dev, + "Failed to turn off the display: %d\n", ret); - return mipi_dsi_dcs_set_display_off(dsi); + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); + if (ret < 0) + DRM_DEV_ERROR(ctx->dev, + "Failed to enter sleep mode: %d\n", ret); + + return 0; } static int st7703_unprepare(struct drm_panel *panel)