From patchwork Tue Nov 24 12:45:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 331750 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=-18.8 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, 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 2EA87C63798 for ; Tue, 24 Nov 2020 12:48:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CB04E2076E for ; Tue, 24 Nov 2020 12:48:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="p72RHG+3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387710AbgKXMsj (ORCPT ); Tue, 24 Nov 2020 07:48:39 -0500 Received: from fllv0016.ext.ti.com ([198.47.19.142]:40168 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732709AbgKXMsi (ORCPT ); Tue, 24 Nov 2020 07:48:38 -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 0AOCmWbQ033241; Tue, 24 Nov 2020 06:48:32 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1606222112; bh=nFkMBLH7r0qSn+Yb53I/zIFyjV32jr0OF8NCO56iunc=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=p72RHG+3RwDOMiOfx8uOoLlqzV1k79vQO2gOE1R3O/gVv7h+e19qZPdgHFCF4Cn2t slvyub5k35vhLrnWuBUWF2mWLMszuZLQ23rrDDwWmhTSpTSoDXyiQOjYCDqTW253jJ JuTn+rnr7XZiDjWsZlvumkOGboUmrJdyJ5+v6AZQ= Received: from DFLE110.ent.ti.com (dfle110.ent.ti.com [10.64.6.31]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 0AOCmW5Y109364 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 24 Nov 2020 06:48:32 -0600 Received: from DFLE105.ent.ti.com (10.64.6.26) by DFLE110.ent.ti.com (10.64.6.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Tue, 24 Nov 2020 06:48:32 -0600 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE105.ent.ti.com (10.64.6.26) 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, 24 Nov 2020 06:48:32 -0600 Received: from deskari.lan (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 0AOCjmpt040922; Tue, 24 Nov 2020 06:48:30 -0600 From: Tomi Valkeinen To: Sebastian Reichel , Laurent Pinchart , Nikhil Devshatwar , , CC: Sekhar Nori , Tony Lindgren , , Tomi Valkeinen Subject: [PATCH v4 66/80] drm/omap: dsi: set LP/HS before update Date: Tue, 24 Nov 2020 14:45:24 +0200 Message-ID: <20201124124538.660710-67-tomi.valkeinen@ti.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201124124538.660710-1-tomi.valkeinen@ti.com> References: <20201124124538.660710-1-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 We currently use a single VC for sending commands and pixel data. The LP/HS mode for pixel data is correct by accident, as we have set the VC to HS already earlier. However, if we use a different VC for video data, the VC is in LP mode. Fix this by always setting the LP/HS mode before starting a frame update. Signed-off-by: Tomi Valkeinen --- drivers/gpu/drm/omapdrm/dss/dsi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c index c3f13226ac26..41d6231d6e31 100644 --- a/drivers/gpu/drm/omapdrm/dss/dsi.c +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c @@ -3918,6 +3918,8 @@ static int dsi_update_channel(struct omap_dss_device *dssdev, int vc) dsi_set_ulps_auto(dsi, false); + dsi_vc_enable_hs(dssdev, vc, !(dsi->dsidev->mode_flags & MIPI_DSI_MODE_LPM)); + r = _dsi_send_nop(dsi, vc, dsi->dsidev->channel); if (r < 0) { DSSWARN("failed to send nop between frames: %d\n", r);