From patchwork Sun Jul 7 18:19:26 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 11034273 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CF932138B for ; Sun, 7 Jul 2019 18:37:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BE2F12832D for ; Sun, 7 Jul 2019 18:37:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AF4722835B; Sun, 7 Jul 2019 18:37:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 5B2922832D for ; Sun, 7 Jul 2019 18:37:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9382E89BF3; Sun, 7 Jul 2019 18:37:50 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by gabe.freedesktop.org (Postfix) with ESMTPS id D58DE89BF3 for ; Sun, 7 Jul 2019 18:37:49 +0000 (UTC) Received: from pendragon.nordic-sky.finnair.com (unknown [38.98.37.142]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 9EF7D334; Sun, 7 Jul 2019 20:37:30 +0200 (CEST) From: Laurent Pinchart To: dri-devel@lists.freedesktop.org Subject: [PATCH 49/60] drm/omap: hdmi5: Simplify EDID read Date: Sun, 7 Jul 2019 21:19:26 +0300 Message-Id: <20190707181937.6250-46-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190707181937.6250-1-laurent.pinchart@ideasonboard.com> References: <20190707180852.5512-1-laurent.pinchart@ideasonboard.com> <20190707181937.6250-1-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1562524668; bh=wIBSYudmEj+MnASs/R+pMDWNK80MzsuIhXWGmCVCiHM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MSMA+WrRVpm7Zwt/rsOifv89IOWyNcDxfg8KEFewFOOoy3K9thEE2IoJJyEHrnCYi QE01OKjtjYKdaDSc7wsQJ81BVLVQ2EoaODqpVS/5NMn6LS5wX7jUzQq8DWlGoCm672 Oz9RYe8DmOTLsZC8Vq0gnyU+XOjl/ulBKOvY+1iM= X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Maxime Ripard , Sebastian Reichel , Tomi Valkeinen , Sean Paul Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Now that the omap_dss_device EDID read operation has been removed, simplify the bridge-based EDID access by merging multiple functions together. Signed-off-by: Laurent Pinchart --- drivers/gpu/drm/omapdrm/dss/hdmi5.c | 86 ++++++++++++----------------- 1 file changed, 35 insertions(+), 51 deletions(-) diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c index 6399ee5bd6d6..effc22aeac4a 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c @@ -317,50 +317,6 @@ static void hdmi_core_disable(struct omap_hdmi *hdmi) mutex_unlock(&hdmi->lock); } -static struct edid * -hdmi_do_read_edid(struct omap_hdmi *hdmi, - struct edid *(*read)(struct omap_hdmi *hdmi, - struct drm_connector *connector), - struct drm_connector *connector) -{ - struct edid *edid; - bool need_enable; - int idlemode; - int r; - - need_enable = hdmi->core_enabled == false; - - if (need_enable) { - r = hdmi_core_enable(hdmi); - if (r) - return NULL; - } - - mutex_lock(&hdmi->lock); - r = hdmi_runtime_get(hdmi); - BUG_ON(r); - - idlemode = REG_GET(hdmi->wp.base, HDMI_WP_SYSCONFIG, 3, 2); - /* No-idle mode */ - REG_FLD_MOD(hdmi->wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2); - - hdmi5_core_ddc_init(&hdmi->core); - - edid = read(hdmi, connector); - - hdmi5_core_ddc_uninit(&hdmi->core); - - REG_FLD_MOD(hdmi->wp.base, HDMI_WP_SYSCONFIG, idlemode, 3, 2); - - hdmi_runtime_put(hdmi); - mutex_unlock(&hdmi->lock); - - if (need_enable) - hdmi_core_disable(hdmi); - - return (struct edid *)edid; -} - /* ----------------------------------------------------------------------------- * DRM Bridge Operations */ @@ -477,18 +433,46 @@ static void hdmi5_bridge_disable(struct drm_bridge *bridge, mutex_unlock(&hdmi->lock); } -static struct edid *hdmi5_bridge_read_edid(struct omap_hdmi *hdmi, - struct drm_connector *connector) -{ - return drm_do_get_edid(connector, hdmi5_core_ddc_read, &hdmi->core); -} - static struct edid *hdmi5_bridge_get_edid(struct drm_bridge *bridge, struct drm_connector *connector) { struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); + struct edid *edid; + bool need_enable; + int idlemode; + int r; - return hdmi_do_read_edid(hdmi, hdmi5_bridge_read_edid, connector); + need_enable = hdmi->core_enabled == false; + + if (need_enable) { + r = hdmi_core_enable(hdmi); + if (r) + return NULL; + } + + mutex_lock(&hdmi->lock); + r = hdmi_runtime_get(hdmi); + BUG_ON(r); + + idlemode = REG_GET(hdmi->wp.base, HDMI_WP_SYSCONFIG, 3, 2); + /* No-idle mode */ + REG_FLD_MOD(hdmi->wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2); + + hdmi5_core_ddc_init(&hdmi->core); + + edid = drm_do_get_edid(connector, hdmi5_core_ddc_read, &hdmi->core); + + hdmi5_core_ddc_uninit(&hdmi->core); + + REG_FLD_MOD(hdmi->wp.base, HDMI_WP_SYSCONFIG, idlemode, 3, 2); + + hdmi_runtime_put(hdmi); + mutex_unlock(&hdmi->lock); + + if (need_enable) + hdmi_core_disable(hdmi); + + return (struct edid *)edid; } static const struct drm_bridge_funcs hdmi5_bridge_funcs = {