From patchwork Tue Dec 8 12:28:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 11958441 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=-15.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY,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 3E18FC4361B for ; Tue, 8 Dec 2020 12:31:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0BF9723AA7 for ; Tue, 8 Dec 2020 12:31:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728495AbgLHMa7 (ORCPT ); Tue, 8 Dec 2020 07:30:59 -0500 Received: from fllv0016.ext.ti.com ([198.47.19.142]:33404 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727992AbgLHMa7 (ORCPT ); Tue, 8 Dec 2020 07:30:59 -0500 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 0B8CTsRQ064024; Tue, 8 Dec 2020 06:29:54 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1607430594; bh=JpHA/w1FiegOmLYTvyhahyGj8gRh7jLTeSQfmEeloCI=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=JNezfKgmxr6xNeSNkJG5a7lzqq7eWzJR9KbGIaZ0bHeMujU6kIkq01JuSoCvKOOmS eByFph3s/eT8uP4ENhfEJXr7OVijLdPbZM3jSf+TC50n2kVU0ebk7Zbbkha2AdMuIo bMGm2rUJh3zR30KYevjTFbtaPg0NJ2F56Ga+vm5M= Received: from DFLE112.ent.ti.com (dfle112.ent.ti.com [10.64.6.33]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 0B8CTsUM103314 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 8 Dec 2020 06:29:54 -0600 Received: from DFLE107.ent.ti.com (10.64.6.28) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Tue, 8 Dec 2020 06:29:54 -0600 Received: from fllv0040.itg.ti.com (10.64.41.20) by DFLE107.ent.ti.com (10.64.6.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Tue, 8 Dec 2020 06:29:53 -0600 Received: from deskari.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 0B8CTcjJ095068; Tue, 8 Dec 2020 06:29:51 -0600 From: Tomi Valkeinen To: Sebastian Reichel , Laurent Pinchart , Nikhil Devshatwar , CC: , Sekhar Nori , Tony Lindgren , , Sam Ravnborg , Tomi Valkeinen Subject: [PATCH v5 05/29] drm/panel: panel-dsi-cm: set column & page at setup Date: Tue, 8 Dec 2020 14:28:31 +0200 Message-ID: <20201208122855.254819-6-tomi.valkeinen@ti.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201208122855.254819-1-tomi.valkeinen@ti.com> References: <20201208122855.254819-1-tomi.valkeinen@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Set the column & page address once during setup, instead of relying the DSI host driver to set those. Signed-off-by: Tomi Valkeinen Reviewed-by: Sam Ravnborg Reviewed-by: Laurent Pinchart Reviewed-by: Sebastian Reichel --- drivers/gpu/drm/panel/panel-dsi-cm.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-dsi-cm.c b/drivers/gpu/drm/panel/panel-dsi-cm.c index 38f79dca1fd0..556f9a2c5c0c 100644 --- a/drivers/gpu/drm/panel/panel-dsi-cm.c +++ b/drivers/gpu/drm/panel/panel-dsi-cm.c @@ -170,6 +170,22 @@ static int dsicm_get_id(struct panel_drv_data *ddata, u8 *id1, u8 *id2, u8 *id3) return 0; } +static int dsicm_set_update_window(struct panel_drv_data *ddata) +{ + struct mipi_dsi_device *dsi = ddata->dsi; + int r; + + r = mipi_dsi_dcs_set_column_address(dsi, 0, ddata->mode.hdisplay - 1); + if (r < 0) + return r; + + r = mipi_dsi_dcs_set_page_address(dsi, 0, ddata->mode.vdisplay - 1); + if (r < 0) + return r; + + return 0; +} + static int dsicm_bl_update_status(struct backlight_device *dev) { struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev); @@ -307,6 +323,10 @@ static int dsicm_power_on(struct panel_drv_data *ddata) if (r) goto err; + r = dsicm_set_update_window(ddata); + if (r) + goto err; + r = mipi_dsi_dcs_set_display_on(ddata->dsi); if (r) goto err;