From patchwork Mon Dec 9 14:42:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jyri Sarha X-Patchwork-Id: 1206311 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.b="DQdnGDkP"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47WmBT42xmz9sP6 for ; Tue, 10 Dec 2019 01:42:41 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727847AbfLIOmi (ORCPT ); Mon, 9 Dec 2019 09:42:38 -0500 Received: from fllv0015.ext.ti.com ([198.47.19.141]:33958 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727845AbfLIOmh (ORCPT ); Mon, 9 Dec 2019 09:42:37 -0500 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id xB9EgN4O068939; Mon, 9 Dec 2019 08:42:23 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1575902543; bh=k5rSevz2bhqdqJXuXiYu2D6FNxRhanGY1EH3qKuH7dk=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=DQdnGDkPbfXWaLoTS5j2MVUkcPsgL5wqOMLlO+uf30S6X3CS4YE8/9+hu3o3XOVuE D+ydtNMApdo5vvrIPeXjAi+g+VX78bnN9VF59CZldsdg4Egz3gMOCqpr8PR7W810ed D7x1rhU0e6nRFMuJItX3z7c1tm+dTFzszY/qYiXs= Received: from DLEE104.ent.ti.com (dlee104.ent.ti.com [157.170.170.34]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id xB9EgN2w113612 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 9 Dec 2019 08:42:23 -0600 Received: from DLEE115.ent.ti.com (157.170.170.26) by DLEE104.ent.ti.com (157.170.170.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3; Mon, 9 Dec 2019 08:42:22 -0600 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE115.ent.ti.com (157.170.170.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3 via Frontend Transport; Mon, 9 Dec 2019 08:42:22 -0600 Received: from jadmar.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id xB9EgGvf122297; Mon, 9 Dec 2019 08:42:19 -0600 From: Jyri Sarha To: , , , , , CC: , , , Subject: [PATCH v2 1/3] drm/tilcdc: Remove obsolete bundled tilcdc tfp410 driver Date: Mon, 9 Dec 2019 16:42:14 +0200 Message-ID: <6e2db6c328467cc51e8d633ecb0ffa7c5736f2e8.1575901747.git.jsarha@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Remove obsolete bundled tfp410 driver with its "ti,tilcdc,tfp410" devicetree binding. No platform has ever used this driver in the mainline kernel and if anybody connects tfp410 to tilcdc he or she should use the generic drm tfp410 bridge driver. Signed-off-by: Jyri Sarha Reviewed-by: Laurent Pinchart --- .../bindings/display/tilcdc/tfp410.txt | 21 - drivers/gpu/drm/tilcdc/Makefile | 1 - drivers/gpu/drm/tilcdc/tilcdc_drv.c | 3 - drivers/gpu/drm/tilcdc/tilcdc_tfp410.c | 379 ------------------ drivers/gpu/drm/tilcdc/tilcdc_tfp410.h | 15 - 5 files changed, 419 deletions(-) delete mode 100644 Documentation/devicetree/bindings/display/tilcdc/tfp410.txt delete mode 100644 drivers/gpu/drm/tilcdc/tilcdc_tfp410.c delete mode 100644 drivers/gpu/drm/tilcdc/tilcdc_tfp410.h diff --git a/Documentation/devicetree/bindings/display/tilcdc/tfp410.txt b/Documentation/devicetree/bindings/display/tilcdc/tfp410.txt deleted file mode 100644 index a58ae7756fc6..000000000000 --- a/Documentation/devicetree/bindings/display/tilcdc/tfp410.txt +++ /dev/null @@ -1,21 +0,0 @@ -Device-Tree bindings for tilcdc DRM TFP410 output driver - -Required properties: - - compatible: value should be "ti,tilcdc,tfp410". - - i2c: the phandle for the i2c device to use for DDC - -Recommended properties: - - pinctrl-names, pinctrl-0: the pincontrol settings to configure - muxing properly for pins that connect to TFP410 device - - powerdn-gpio: the powerdown GPIO, pulled low to power down the - TFP410 device (for DPMS_OFF) - -Example: - - dvicape { - compatible = "ti,tilcdc,tfp410"; - i2c = <&i2c2>; - pinctrl-names = "default"; - pinctrl-0 = <&bone_dvi_cape_dvi_00A1_pins>; - powerdn-gpio = <&gpio2 31 0>; - }; diff --git a/drivers/gpu/drm/tilcdc/Makefile b/drivers/gpu/drm/tilcdc/Makefile index 87f9480e43b0..662bf3a348c9 100644 --- a/drivers/gpu/drm/tilcdc/Makefile +++ b/drivers/gpu/drm/tilcdc/Makefile @@ -6,7 +6,6 @@ endif tilcdc-y := \ tilcdc_plane.o \ tilcdc_crtc.o \ - tilcdc_tfp410.o \ tilcdc_panel.o \ tilcdc_external.o \ tilcdc_drv.o diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c index 2a9e67597375..20745db863ff 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c @@ -30,7 +30,6 @@ #include "tilcdc_external.h" #include "tilcdc_panel.h" #include "tilcdc_regs.h" -#include "tilcdc_tfp410.h" static LIST_HEAD(module_list); @@ -649,7 +648,6 @@ static struct platform_driver tilcdc_platform_driver = { static int __init tilcdc_drm_init(void) { DBG("init"); - tilcdc_tfp410_init(); tilcdc_panel_init(); return platform_driver_register(&tilcdc_platform_driver); } @@ -659,7 +657,6 @@ static void __exit tilcdc_drm_fini(void) DBG("fini"); platform_driver_unregister(&tilcdc_platform_driver); tilcdc_panel_fini(); - tilcdc_tfp410_fini(); } module_init(tilcdc_drm_init); diff --git a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c deleted file mode 100644 index 530edb3b51cc..000000000000 --- a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c +++ /dev/null @@ -1,379 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2012 Texas Instruments - * Author: Rob Clark - */ - -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#include "tilcdc_drv.h" -#include "tilcdc_tfp410.h" - -struct tfp410_module { - struct tilcdc_module base; - struct i2c_adapter *i2c; - int gpio; -}; -#define to_tfp410_module(x) container_of(x, struct tfp410_module, base) - - -static const struct tilcdc_panel_info dvi_info = { - .ac_bias = 255, - .ac_bias_intrpt = 0, - .dma_burst_sz = 16, - .bpp = 16, - .fdd = 0x80, - .tft_alt_mode = 0, - .sync_edge = 0, - .sync_ctrl = 1, - .raster_order = 0, -}; - -/* - * Encoder: - */ - -struct tfp410_encoder { - struct drm_encoder base; - struct tfp410_module *mod; - int dpms; -}; -#define to_tfp410_encoder(x) container_of(x, struct tfp410_encoder, base) - -static void tfp410_encoder_dpms(struct drm_encoder *encoder, int mode) -{ - struct tfp410_encoder *tfp410_encoder = to_tfp410_encoder(encoder); - - if (tfp410_encoder->dpms == mode) - return; - - if (mode == DRM_MODE_DPMS_ON) { - DBG("Power on"); - gpio_direction_output(tfp410_encoder->mod->gpio, 1); - } else { - DBG("Power off"); - gpio_direction_output(tfp410_encoder->mod->gpio, 0); - } - - tfp410_encoder->dpms = mode; -} - -static void tfp410_encoder_prepare(struct drm_encoder *encoder) -{ - tfp410_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); -} - -static void tfp410_encoder_commit(struct drm_encoder *encoder) -{ - tfp410_encoder_dpms(encoder, DRM_MODE_DPMS_ON); -} - -static void tfp410_encoder_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - /* nothing needed */ -} - -static const struct drm_encoder_funcs tfp410_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - -static const struct drm_encoder_helper_funcs tfp410_encoder_helper_funcs = { - .dpms = tfp410_encoder_dpms, - .prepare = tfp410_encoder_prepare, - .commit = tfp410_encoder_commit, - .mode_set = tfp410_encoder_mode_set, -}; - -static struct drm_encoder *tfp410_encoder_create(struct drm_device *dev, - struct tfp410_module *mod) -{ - struct tfp410_encoder *tfp410_encoder; - struct drm_encoder *encoder; - int ret; - - tfp410_encoder = devm_kzalloc(dev->dev, sizeof(*tfp410_encoder), - GFP_KERNEL); - if (!tfp410_encoder) - return NULL; - - tfp410_encoder->dpms = DRM_MODE_DPMS_OFF; - tfp410_encoder->mod = mod; - - encoder = &tfp410_encoder->base; - encoder->possible_crtcs = 1; - - ret = drm_encoder_init(dev, encoder, &tfp410_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); - if (ret < 0) - goto fail; - - drm_encoder_helper_add(encoder, &tfp410_encoder_helper_funcs); - - return encoder; - -fail: - drm_encoder_cleanup(encoder); - return NULL; -} - -/* - * Connector: - */ - -struct tfp410_connector { - struct drm_connector base; - - struct drm_encoder *encoder; /* our connected encoder */ - struct tfp410_module *mod; -}; -#define to_tfp410_connector(x) container_of(x, struct tfp410_connector, base) - - -static void tfp410_connector_destroy(struct drm_connector *connector) -{ - drm_connector_unregister(connector); - drm_connector_cleanup(connector); -} - -static enum drm_connector_status tfp410_connector_detect( - struct drm_connector *connector, - bool force) -{ - struct tfp410_connector *tfp410_connector = to_tfp410_connector(connector); - - if (drm_probe_ddc(tfp410_connector->mod->i2c)) - return connector_status_connected; - - return connector_status_unknown; -} - -static int tfp410_connector_get_modes(struct drm_connector *connector) -{ - struct tfp410_connector *tfp410_connector = to_tfp410_connector(connector); - struct edid *edid; - int ret = 0; - - edid = drm_get_edid(connector, tfp410_connector->mod->i2c); - - drm_connector_update_edid_property(connector, edid); - - if (edid) { - ret = drm_add_edid_modes(connector, edid); - kfree(edid); - } - - return ret; -} - -static struct drm_encoder *tfp410_connector_best_encoder( - struct drm_connector *connector) -{ - struct tfp410_connector *tfp410_connector = to_tfp410_connector(connector); - return tfp410_connector->encoder; -} - -static const struct drm_connector_funcs tfp410_connector_funcs = { - .destroy = tfp410_connector_destroy, - .detect = tfp410_connector_detect, - .fill_modes = drm_helper_probe_single_connector_modes, - .reset = drm_atomic_helper_connector_reset, - .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, -}; - -static const struct drm_connector_helper_funcs tfp410_connector_helper_funcs = { - .get_modes = tfp410_connector_get_modes, - .best_encoder = tfp410_connector_best_encoder, -}; - -static struct drm_connector *tfp410_connector_create(struct drm_device *dev, - struct tfp410_module *mod, struct drm_encoder *encoder) -{ - struct tfp410_connector *tfp410_connector; - struct drm_connector *connector; - int ret; - - tfp410_connector = devm_kzalloc(dev->dev, sizeof(*tfp410_connector), - GFP_KERNEL); - if (!tfp410_connector) - return NULL; - - tfp410_connector->encoder = encoder; - tfp410_connector->mod = mod; - - connector = &tfp410_connector->base; - - drm_connector_init(dev, connector, &tfp410_connector_funcs, - DRM_MODE_CONNECTOR_DVID); - drm_connector_helper_add(connector, &tfp410_connector_helper_funcs); - - connector->polled = DRM_CONNECTOR_POLL_CONNECT | - DRM_CONNECTOR_POLL_DISCONNECT; - - connector->interlace_allowed = 0; - connector->doublescan_allowed = 0; - - ret = drm_connector_attach_encoder(connector, encoder); - if (ret) - goto fail; - - return connector; - -fail: - tfp410_connector_destroy(connector); - return NULL; -} - -/* - * Module: - */ - -static int tfp410_modeset_init(struct tilcdc_module *mod, struct drm_device *dev) -{ - struct tfp410_module *tfp410_mod = to_tfp410_module(mod); - struct tilcdc_drm_private *priv = dev->dev_private; - struct drm_encoder *encoder; - struct drm_connector *connector; - - encoder = tfp410_encoder_create(dev, tfp410_mod); - if (!encoder) - return -ENOMEM; - - connector = tfp410_connector_create(dev, tfp410_mod, encoder); - if (!connector) - return -ENOMEM; - - priv->encoders[priv->num_encoders++] = encoder; - priv->connectors[priv->num_connectors++] = connector; - - tilcdc_crtc_set_panel_info(priv->crtc, &dvi_info); - return 0; -} - -static const struct tilcdc_module_ops tfp410_module_ops = { - .modeset_init = tfp410_modeset_init, -}; - -/* - * Device: - */ - -static int tfp410_probe(struct platform_device *pdev) -{ - struct device_node *node = pdev->dev.of_node; - struct device_node *i2c_node; - struct tfp410_module *tfp410_mod; - struct tilcdc_module *mod; - struct pinctrl *pinctrl; - uint32_t i2c_phandle; - int ret = -EINVAL; - - /* bail out early if no DT data: */ - if (!node) { - dev_err(&pdev->dev, "device-tree data is missing\n"); - return -ENXIO; - } - - tfp410_mod = devm_kzalloc(&pdev->dev, sizeof(*tfp410_mod), GFP_KERNEL); - if (!tfp410_mod) - return -ENOMEM; - - mod = &tfp410_mod->base; - pdev->dev.platform_data = mod; - - tilcdc_module_init(mod, "tfp410", &tfp410_module_ops); - - pinctrl = devm_pinctrl_get_select_default(&pdev->dev); - if (IS_ERR(pinctrl)) - dev_warn(&pdev->dev, "pins are not configured\n"); - - if (of_property_read_u32(node, "i2c", &i2c_phandle)) { - dev_err(&pdev->dev, "could not get i2c bus phandle\n"); - goto fail; - } - - i2c_node = of_find_node_by_phandle(i2c_phandle); - if (!i2c_node) { - dev_err(&pdev->dev, "could not get i2c bus node\n"); - goto fail; - } - - tfp410_mod->i2c = of_find_i2c_adapter_by_node(i2c_node); - if (!tfp410_mod->i2c) { - dev_err(&pdev->dev, "could not get i2c\n"); - of_node_put(i2c_node); - goto fail; - } - - of_node_put(i2c_node); - - tfp410_mod->gpio = of_get_named_gpio_flags(node, "powerdn-gpio", - 0, NULL); - if (tfp410_mod->gpio < 0) { - dev_warn(&pdev->dev, "No power down GPIO\n"); - } else { - ret = gpio_request(tfp410_mod->gpio, "DVI_PDn"); - if (ret) { - dev_err(&pdev->dev, "could not get DVI_PDn gpio\n"); - goto fail_adapter; - } - } - - return 0; - -fail_adapter: - i2c_put_adapter(tfp410_mod->i2c); - -fail: - tilcdc_module_cleanup(mod); - return ret; -} - -static int tfp410_remove(struct platform_device *pdev) -{ - struct tilcdc_module *mod = dev_get_platdata(&pdev->dev); - struct tfp410_module *tfp410_mod = to_tfp410_module(mod); - - i2c_put_adapter(tfp410_mod->i2c); - gpio_free(tfp410_mod->gpio); - - tilcdc_module_cleanup(mod); - - return 0; -} - -static const struct of_device_id tfp410_of_match[] = { - { .compatible = "ti,tilcdc,tfp410", }, - { }, -}; - -struct platform_driver tfp410_driver = { - .probe = tfp410_probe, - .remove = tfp410_remove, - .driver = { - .owner = THIS_MODULE, - .name = "tfp410", - .of_match_table = tfp410_of_match, - }, -}; - -int __init tilcdc_tfp410_init(void) -{ - return platform_driver_register(&tfp410_driver); -} - -void __exit tilcdc_tfp410_fini(void) -{ - platform_driver_unregister(&tfp410_driver); -} diff --git a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.h b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.h deleted file mode 100644 index f9aaf6911ffc..000000000000 --- a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.h +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (C) 2012 Texas Instruments - * Author: Rob Clark - */ - -#ifndef __TILCDC_TFP410_H__ -#define __TILCDC_TFP410_H__ - -/* sub-module for tfp410 dvi adaptor */ - -int tilcdc_tfp410_init(void); -void tilcdc_tfp410_fini(void); - -#endif /* __TILCDC_TFP410_H__ */ From patchwork Mon Dec 9 14:42:15 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jyri Sarha X-Patchwork-Id: 1206312 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.b="EktQOM3I"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47WmBV4KfSz9sR4 for ; Tue, 10 Dec 2019 01:42:42 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727851AbfLIOmj (ORCPT ); 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Mon, 9 Dec 2019 08:42:24 -0600 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE113.ent.ti.com (10.64.6.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3 via Frontend Transport; Mon, 9 Dec 2019 08:42:24 -0600 Received: from jadmar.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id xB9EgGvg122297; Mon, 9 Dec 2019 08:42:22 -0600 From: Jyri Sarha To: , , , , , CC: , , , Subject: [PATCH v2 2/3] dt-bindings: display: Add obsolete note to "ti, tilcdc, panel" binding Date: Mon, 9 Dec 2019 16:42:15 +0200 Message-ID: <459ed943fe0725200062171755bcfe5f73713d50.1575901747.git.jsarha@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The "ti,tilcdc,panel" binding should not be used anymore, since tilcdc is fully capable of using generic drm panels like panel-simple and panel-common binding. However, the obsolete binding is still widely used in many mainline supported platforms that I do not have access to and who knows how many custom platforms. So I am afraid we have to keep the old bundled tilcdc panel driver around. Signed-off-by: Jyri Sarha --- Documentation/devicetree/bindings/display/tilcdc/panel.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/display/tilcdc/panel.txt b/Documentation/devicetree/bindings/display/tilcdc/panel.txt index 808216310ea2..54963f9173cc 100644 --- a/Documentation/devicetree/bindings/display/tilcdc/panel.txt +++ b/Documentation/devicetree/bindings/display/tilcdc/panel.txt @@ -1,5 +1,11 @@ Device-Tree bindings for tilcdc DRM generic panel output driver +NOTE: This binding (and the related driver) is obsolete and should not + be used anymore. Please refer to drm panel-common binding (and + to a generic drm panel driver like panel-simple). + Documentation/devicetree/bindings/display/panel/panel-common.yaml + (drivers/gpu/drm/panel/panel-simple.c) + Required properties: - compatible: value should be "ti,tilcdc,panel". - panel-info: configuration info to configure LCDC correctly for the panel