From patchwork Thu Nov 5 12:03:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 11884097 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 2E36B697 for ; Thu, 5 Nov 2020 12:05:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0641722248 for ; Thu, 5 Nov 2020 12:05:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="uafIxCja" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730540AbgKEMFU (ORCPT ); Thu, 5 Nov 2020 07:05:20 -0500 Received: from fllv0016.ext.ti.com ([198.47.19.142]:42712 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730258AbgKEMFU (ORCPT ); Thu, 5 Nov 2020 07:05:20 -0500 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 0A5C5C4o057013; Thu, 5 Nov 2020 06:05:12 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1604577912; bh=ZivPbeteMpnlzZRSmyNvaEpHoY+ZGOY6FCuXTMvOp5k=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=uafIxCjaP0k1fOgRUAHA7uonjRJrVfof5GWpDqbxZNahe8zSBf+BwVhc8gy8wlmGt 53bbGf5Rcmsq+GUO4QlR9m2+XIWlmMGlTSy1ElozaXem+/XLcKMjzO/sHiERsYn67a 3sd0DQZIFQXbecdYk4R1CA+ZyqTuhb4Ocmq0U5IU= Received: from DLEE113.ent.ti.com (dlee113.ent.ti.com [157.170.170.24]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 0A5C5CeY126678 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 5 Nov 2020 06:05:12 -0600 Received: from DLEE105.ent.ti.com (157.170.170.35) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 5 Nov 2020 06:05:11 -0600 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE105.ent.ti.com (157.170.170.35) 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; Thu, 5 Nov 2020 06:05:11 -0600 Received: from deskari.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 0A5C3rfT039111; Thu, 5 Nov 2020 06:05:09 -0600 From: Tomi Valkeinen To: Sebastian Reichel , Laurent Pinchart , Nikhil Devshatwar , , CC: Sekhar Nori , Tony Lindgren , "H . Nikolaus Schaller" , Sebastian Reichel , Tomi Valkeinen Subject: [PATCH v3 31/56] drm/omap: dsi: Reverse direction of the DSS device enable/disable operations Date: Thu, 5 Nov 2020 14:03:08 +0200 Message-ID: <20201105120333.947408-32-tomi.valkeinen@ti.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201105120333.947408-1-tomi.valkeinen@ti.com> References: <20201105120333.947408-1-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 From: Sebastian Reichel Complete the direction reversal of the DSS device enable/disable operations started by 19b4200d8f4b ("drm/omap: Reverse direction of the DSS device enable/disable operations"). This effectively drops the requirement of calling DSS specific code from the DSI panel driver moving it a bit further to a standard drm_panel driver. Signed-off-by: Sebastian Reichel Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart --- .../gpu/drm/omapdrm/displays/panel-dsi-cm.c | 74 +++++++++---------- drivers/gpu/drm/omapdrm/omap_encoder.c | 24 ++---- 2 files changed, 45 insertions(+), 53 deletions(-) diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c index 1582960f9e90..45d417870498 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c @@ -288,27 +288,6 @@ static int dsicm_power_on(struct panel_drv_data *ddata) struct omap_dss_device *src = ddata->src; u8 id1, id2, id3; int r; - struct omap_dss_dsi_config dsi_config = { - .vm = &ddata->vm, - .hs_clk_min = 150000000, - .hs_clk_max = 300000000, - .lp_clk_min = 7000000, - .lp_clk_max = 10000000, - }; - - r = regulator_bulk_enable(DCS_REGULATOR_SUPPLY_NUM, ddata->supplies); - if (r) { - dev_err(&ddata->dsi->dev, "failed to enable supplies: %d\n", r); - return r; - } - - r = src->ops->dsi.set_config(src, &dsi_config); - if (r) { - dev_err(&ddata->dsi->dev, "failed to configure DSI\n"); - goto err_regulators; - } - - src->ops->enable(src); dsicm_hw_reset(ddata); @@ -363,12 +342,6 @@ static int dsicm_power_on(struct panel_drv_data *ddata) dsicm_hw_reset(ddata); - src->ops->disable(src); -err_regulators: - r = regulator_bulk_disable(DCS_REGULATOR_SUPPLY_NUM, ddata->supplies); - if (r) - dev_err(&ddata->dsi->dev, "failed to disable supplies: %d\n", r); - return r; } @@ -377,6 +350,8 @@ static void dsicm_power_off(struct panel_drv_data *ddata) struct omap_dss_device *src = ddata->src; int r; + ddata->enabled = false; + src->ops->dsi.disable_video_output(src, ddata->dsi->channel); r = mipi_dsi_dcs_set_display_off(ddata->dsi); @@ -388,14 +363,6 @@ static void dsicm_power_off(struct panel_drv_data *ddata) "error disabling panel, issuing HW reset\n"); dsicm_hw_reset(ddata); } - - src->ops->disable(src); - - r = regulator_bulk_disable(DCS_REGULATOR_SUPPLY_NUM, ddata->supplies); - if (r) - dev_err(&ddata->dsi->dev, "failed to disable supplies: %d\n", r); - - ddata->enabled = false; } static int dsicm_connect(struct omap_dss_device *src, @@ -415,6 +382,29 @@ static void dsicm_disconnect(struct omap_dss_device *src, ddata->src = NULL; } +static void dsicm_pre_enable(struct omap_dss_device *dssdev) +{ + struct panel_drv_data *ddata = to_panel_data(dssdev); + struct omap_dss_device *src = ddata->src; + int r; + struct omap_dss_dsi_config dsi_config = { + .vm = &ddata->vm, + .hs_clk_min = 150000000, + .hs_clk_max = 300000000, + .lp_clk_min = 7000000, + .lp_clk_max = 10000000, + }; + + r = regulator_bulk_enable(DCS_REGULATOR_SUPPLY_NUM, ddata->supplies); + if (r) + dev_err(&ddata->dsi->dev, "failed to enable supplies: %d\n", r); + + r = src->ops->dsi.set_config(src, &dsi_config); + if (r) { + dev_err(&ddata->dsi->dev, "failed to configure DSI\n"); + } +} + static void dsicm_enable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); @@ -449,6 +439,16 @@ static void dsicm_disable(struct omap_dss_device *dssdev) mutex_unlock(&ddata->lock); } +static void dsicm_post_disable(struct omap_dss_device *dssdev) +{ + struct panel_drv_data *ddata = to_panel_data(dssdev); + int r; + + r = regulator_bulk_disable(DCS_REGULATOR_SUPPLY_NUM, ddata->supplies); + if (r) + dev_err(&ddata->dsi->dev, "failed to disable supplies: %d\n", r); +} + static int _dsicm_enable_te(struct panel_drv_data *ddata, bool enable) { struct mipi_dsi_device *dsi = ddata->dsi; @@ -502,8 +502,10 @@ static const struct omap_dss_device_ops dsicm_ops = { .connect = dsicm_connect, .disconnect = dsicm_disconnect, + .pre_enable = dsicm_pre_enable, .enable = dsicm_enable, .disable = dsicm_disable, + .post_disable = dsicm_post_disable, .get_modes = dsicm_get_modes, .check_timings = dsicm_check_timings, @@ -664,8 +666,6 @@ static int __exit dsicm_remove(struct mipi_dsi_device *dsi) omapdss_device_unregister(dssdev); - if (omapdss_device_is_enabled(dssdev)) - dsicm_disable(dssdev); omapdss_device_disconnect(ddata->src, dssdev); sysfs_remove_group(&dsi->dev.kobj, &dsicm_attr_group); diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c index 18a79dde6815..10abe4d01b0b 100644 --- a/drivers/gpu/drm/omapdrm/omap_encoder.c +++ b/drivers/gpu/drm/omapdrm/omap_encoder.c @@ -137,15 +137,11 @@ static void omap_encoder_disable(struct drm_encoder *encoder) omapdss_device_disable(dssdev->next); /* - * Disable the internal encoder. This will disable the DSS output. The - * DSI is treated as an exception as DSI pipelines still use the legacy - * flow where the pipeline output controls the encoder. + * Disable the internal encoder. This will disable the DSS output. */ - if (dssdev->type != OMAP_DISPLAY_TYPE_DSI) { - if (dssdev->ops && dssdev->ops->disable) - dssdev->ops->disable(dssdev); - dssdev->state = OMAP_DSS_DISPLAY_DISABLED; - } + if (dssdev->ops && dssdev->ops->disable) + dssdev->ops->disable(dssdev); + dssdev->state = OMAP_DSS_DISPLAY_DISABLED; /* * Perform the post-disable operations on the chain of external devices @@ -166,15 +162,11 @@ static void omap_encoder_enable(struct drm_encoder *encoder) omapdss_device_pre_enable(dssdev->next); /* - * Enable the internal encoder. This will enable the DSS output. The - * DSI is treated as an exception as DSI pipelines still use the legacy - * flow where the pipeline output controls the encoder. + * Enable the internal encoder. This will enable the DSS output. */ - if (dssdev->type != OMAP_DISPLAY_TYPE_DSI) { - if (dssdev->ops && dssdev->ops->enable) - dssdev->ops->enable(dssdev); - dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; - } + if (dssdev->ops && dssdev->ops->enable) + dssdev->ops->enable(dssdev); + dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; /* * Enable the chain of external devices, starting at the one at the