From patchwork Tue Dec 15 10:46:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 11974439 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=-13.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 A0EA9C4361B for ; Tue, 15 Dec 2020 10:48:03 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 4E69820782 for ; Tue, 15 Dec 2020 10:48:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4E69820782 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=ti.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B435A6E1E8; Tue, 15 Dec 2020 10:47:37 +0000 (UTC) Received: from fllv0016.ext.ti.com (fllv0016.ext.ti.com [198.47.19.142]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4B9EB6E1D6 for ; Tue, 15 Dec 2020 10:47:28 +0000 (UTC) Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 0BFAlR2O123932 for ; Tue, 15 Dec 2020 04:47:27 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1608029247; bh=b4omdf/oSW5IB/3SmyonAnez7ItytgpptEwx+/QLwUg=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=sco1N1Jf9CZOwwL+QmeZIsZjhsIZpzlnN2nDAJn6SsmN9lom0jCxf6/sVdd56l5ja t6EJJFDajUQ9HtahBeR605kxeLSHwHpP66GZgRlRVwkwW1oXwOiauV0Co5Tz1ahsD8 03yjWwPZvE7pCorr7N0kcAdsz0ZQZhGUztDSf3+0= Received: from DFLE102.ent.ti.com (dfle102.ent.ti.com [10.64.6.23]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 0BFAlR0M000474 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Tue, 15 Dec 2020 04:47:27 -0600 Received: from DFLE110.ent.ti.com (10.64.6.31) by DFLE102.ent.ti.com (10.64.6.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Tue, 15 Dec 2020 04:47:27 -0600 Received: from fllv0040.itg.ti.com (10.64.41.20) 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 via Frontend Transport; Tue, 15 Dec 2020 04:47:27 -0600 Received: from deskari.lan (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 0BFAkwaD046467; Tue, 15 Dec 2020 04:47:26 -0600 From: Tomi Valkeinen To: Subject: [PATCH v6 27/84] drm/omap: dsi: untangle ulps ops from enable/disable Date: Tue, 15 Dec 2020 12:46:00 +0200 Message-ID: <20201215104657.802264-28-tomi.valkeinen@ti.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201215104657.802264-1-tomi.valkeinen@ti.com> References: <20201215104657.802264-1-tomi.valkeinen@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 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: tomi.valkeinen@ti.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Sebastian Reichel Create a custom function pointer for ULPS and use it instead of reusing disable/enable functions for ULPS mode switch. This allows us to use the common disable/enable functions pointers for DSI. Signed-off-by: Sebastian Reichel Signed-off-by: Tomi Valkeinen --- .../gpu/drm/omapdrm/displays/panel-dsi-cm.c | 8 +-- drivers/gpu/drm/omapdrm/dss/dsi.c | 53 ++++++++++++++----- drivers/gpu/drm/omapdrm/dss/omapdss.h | 5 +- 3 files changed, 46 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c index efbca64355d6..8253d3048a53 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c @@ -230,7 +230,7 @@ static int dsicm_enter_ulps(struct panel_drv_data *ddata) if (r) goto err; - src->ops->dsi.disable(src, false, true); + src->ops->dsi.ulps(src, true); ddata->ulps_enabled = true; @@ -255,7 +255,7 @@ static int dsicm_exit_ulps(struct panel_drv_data *ddata) if (!ddata->ulps_enabled) return 0; - src->ops->enable(src); + src->ops->dsi.ulps(src, false); ddata->dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; r = _dsicm_enable_te(ddata, true); @@ -582,7 +582,7 @@ static int dsicm_power_on(struct panel_drv_data *ddata) dsicm_hw_reset(ddata); - src->ops->dsi.disable(src, true, false); + src->ops->disable(src); err_regulators: r = regulator_bulk_disable(ARRAY_SIZE(ddata->supplies), ddata->supplies); if (r) @@ -608,7 +608,7 @@ static void dsicm_power_off(struct panel_drv_data *ddata) dsicm_hw_reset(ddata); } - src->ops->dsi.disable(src, true, false); + src->ops->disable(src); r = regulator_bulk_disable(ARRAY_SIZE(ddata->supplies), ddata->supplies); if (r) diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c index 211415135682..5853f89aebbe 100644 --- a/drivers/gpu/drm/omapdrm/dss/dsi.c +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c @@ -4052,14 +4052,11 @@ static void dsi_display_uninit_dsi(struct dsi_data *dsi, bool disconnect_lanes, } } -static void dsi_display_enable(struct omap_dss_device *dssdev) +static void _dsi_display_enable(struct dsi_data *dsi) { - struct dsi_data *dsi = to_dsi_data(dssdev); int r; - DSSDBG("dsi_display_enable\n"); - - dsi_bus_lock(dsi); + WARN_ON(!dsi_bus_is_locked(dsi)); mutex_lock(&dsi->lock); @@ -4075,25 +4072,29 @@ static void dsi_display_enable(struct omap_dss_device *dssdev) mutex_unlock(&dsi->lock); - dsi_bus_unlock(dsi); - return; err_init_dsi: dsi_runtime_put(dsi); err_get_dsi: mutex_unlock(&dsi->lock); - DSSDBG("dsi_display_enable FAILED\n"); + DSSDBG("dsi_display_ulps_enable FAILED\n"); } -static void dsi_display_disable(struct omap_dss_device *dssdev, - bool disconnect_lanes, bool enter_ulps) +static void dsi_display_enable(struct omap_dss_device *dssdev) { struct dsi_data *dsi = to_dsi_data(dssdev); - - DSSDBG("dsi_display_disable\n"); + DSSDBG("dsi_display_enable\n"); dsi_bus_lock(dsi); + _dsi_display_enable(dsi); + dsi_bus_unlock(dsi); +} + +static void _dsi_display_disable(struct dsi_data *dsi, + bool disconnect_lanes, bool enter_ulps) +{ + WARN_ON(!dsi_bus_is_locked(dsi)); mutex_lock(&dsi->lock); @@ -4107,6 +4108,31 @@ static void dsi_display_disable(struct omap_dss_device *dssdev, dsi_runtime_put(dsi); mutex_unlock(&dsi->lock); +} + +static void dsi_display_disable(struct omap_dss_device *dssdev) +{ + struct dsi_data *dsi = to_dsi_data(dssdev); + + DSSDBG("dsi_display_disable\n"); + + dsi_bus_lock(dsi); + _dsi_display_disable(dsi, true, false); + dsi_bus_unlock(dsi); +} + +static void dsi_ulps(struct omap_dss_device *dssdev, bool enable) +{ + struct dsi_data *dsi = to_dsi_data(dssdev); + + DSSDBG("dsi_ulps %d\n", enable); + + dsi_bus_lock(dsi); + + if (enable) + _dsi_display_disable(dsi, false, true); + else + _dsi_display_enable(dsi); dsi_bus_unlock(dsi); } @@ -4812,9 +4838,10 @@ static const struct omap_dss_device_ops dsi_ops = { .connect = dsi_connect, .disconnect = dsi_disconnect, .enable = dsi_display_enable, + .disable = dsi_display_disable, .dsi = { - .disable = dsi_display_disable, + .ulps = dsi_ulps, .set_config = dsi_set_config, diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h index 9a3358076187..abedd1d8b368 100644 --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h @@ -281,10 +281,9 @@ struct omap_dss_writeback_info { }; struct omapdss_dsi_ops { - void (*disable)(struct omap_dss_device *dssdev, bool disconnect_lanes, - bool enter_ulps); - /* bus configuration */ + void (*ulps)(struct omap_dss_device *dssdev, bool enable); + int (*set_config)(struct omap_dss_device *dssdev, const struct omap_dss_dsi_config *cfg);