From patchwork Wed Feb 26 11:24:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 11406185 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 936BC14D5 for ; Wed, 26 Feb 2020 11:26:46 +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 7241520637 for ; Wed, 26 Feb 2020 11:26:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="iKtqEyAB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7241520637 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.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 4C09E6E858; Wed, 26 Feb 2020 11:26:15 +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 [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7A3AC6E525 for ; Wed, 26 Feb 2020 11:26:02 +0000 (UTC) Received: from pendragon.bb.dnainternet.fi (81-175-216-236.bb.dnainternet.fi [81.175.216.236]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 1F85A1D7A; Wed, 26 Feb 2020 12:25:53 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1582716354; bh=2Gtdj8A1BCtIH8P3oWoN7si/Rx9qjO0C6UdRZ4psRh8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iKtqEyAB/sV4A9SyKmJccnf3LJ4TcY9Hv/12NQccy2VEVpgQFPe/gT8JXY3YopQuN IXEkLrYecKO893hJ3YLBbdDRNr3Ng5FlfPIht5B1fcvjaMbtC+kVEoDZlUabRQ/3w6 4l8J/1WEPcacGy4ze1AKMVZQ+flKGZdwGUYjPJ0U= From: Laurent Pinchart To: dri-devel@lists.freedesktop.org Subject: [PATCH v8 27/54] drm/omap: dss: Make omap_dss_device_ops optional Date: Wed, 26 Feb 2020 13:24:47 +0200 Message-Id: <20200226112514.12455-28-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200226112514.12455-1-laurent.pinchart@ideasonboard.com> References: <20200226112514.12455-1-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 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 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" As part of the move to drm_bridge ops, the dssdev ops will become empty for some of the internal encoders. Make them optional in the driver to allow them to be removed completely, easing the transition. Signed-off-by: Laurent Pinchart Reviewed-by: Tomi Valkeinen Tested-by: Sebastian Reichel Reviewed-by: Sebastian Reichel --- drivers/gpu/drm/omapdrm/dss/base.c | 21 ++++++++++++--------- drivers/gpu/drm/omapdrm/dss/dss.c | 3 ++- drivers/gpu/drm/omapdrm/omap_connector.c | 2 +- drivers/gpu/drm/omapdrm/omap_encoder.c | 12 +++++++----- 4 files changed, 22 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/omapdrm/dss/base.c b/drivers/gpu/drm/omapdrm/dss/base.c index 80d48936d177..2db3bd2f19db 100644 --- a/drivers/gpu/drm/omapdrm/dss/base.c +++ b/drivers/gpu/drm/omapdrm/dss/base.c @@ -195,10 +195,12 @@ int omapdss_device_connect(struct dss_device *dss, dst->dss = dss; - ret = dst->ops->connect(src, dst); - if (ret < 0) { - dst->dss = NULL; - return ret; + if (dst->ops && dst->ops->connect) { + ret = dst->ops->connect(src, dst); + if (ret < 0) { + dst->dss = NULL; + return ret; + } } return 0; @@ -226,7 +228,8 @@ void omapdss_device_disconnect(struct omap_dss_device *src, WARN_ON(dst->state != OMAP_DSS_DISPLAY_DISABLED); - dst->ops->disconnect(src, dst); + if (dst->ops && dst->ops->disconnect) + dst->ops->disconnect(src, dst); dst->dss = NULL; } EXPORT_SYMBOL_GPL(omapdss_device_disconnect); @@ -238,7 +241,7 @@ void omapdss_device_pre_enable(struct omap_dss_device *dssdev) omapdss_device_pre_enable(dssdev->next); - if (dssdev->ops->pre_enable) + if (dssdev->ops && dssdev->ops->pre_enable) dssdev->ops->pre_enable(dssdev); } EXPORT_SYMBOL_GPL(omapdss_device_pre_enable); @@ -248,7 +251,7 @@ void omapdss_device_enable(struct omap_dss_device *dssdev) if (!dssdev) return; - if (dssdev->ops->enable) + if (dssdev->ops && dssdev->ops->enable) dssdev->ops->enable(dssdev); omapdss_device_enable(dssdev->next); @@ -264,7 +267,7 @@ void omapdss_device_disable(struct omap_dss_device *dssdev) omapdss_device_disable(dssdev->next); - if (dssdev->ops->disable) + if (dssdev->ops && dssdev->ops->disable) dssdev->ops->disable(dssdev); } EXPORT_SYMBOL_GPL(omapdss_device_disable); @@ -274,7 +277,7 @@ void omapdss_device_post_disable(struct omap_dss_device *dssdev) if (!dssdev) return; - if (dssdev->ops->post_disable) + if (dssdev->ops && dssdev->ops->post_disable) dssdev->ops->post_disable(dssdev); omapdss_device_post_disable(dssdev->next); diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c index 67b92b5d8dd7..b76fc2b56227 100644 --- a/drivers/gpu/drm/omapdrm/dss/dss.c +++ b/drivers/gpu/drm/omapdrm/dss/dss.c @@ -1552,7 +1552,8 @@ static void dss_shutdown(struct platform_device *pdev) DSSDBG("shutdown\n"); for_each_dss_output(dssdev) { - if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) + if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE && + dssdev->ops && dssdev->ops->disable) dssdev->ops->disable(dssdev); } } diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index b0cb2ecb30ab..a24cec4b0bb9 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -228,7 +228,7 @@ enum drm_mode_status omap_connector_mode_fixup(struct omap_dss_device *dssdev, drm_mode_copy(adjusted_mode, mode); for (; dssdev; dssdev = dssdev->next) { - if (!dssdev->ops->check_timings) + if (!dssdev->ops || !dssdev->ops->check_timings) continue; ret = dssdev->ops->check_timings(dssdev, adjusted_mode); diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c index a270173a2411..b232acd3bc3d 100644 --- a/drivers/gpu/drm/omapdrm/omap_encoder.c +++ b/drivers/gpu/drm/omapdrm/omap_encoder.c @@ -77,10 +77,10 @@ static void omap_encoder_hdmi_mode_set(struct drm_connector *connector, struct omap_dss_device *dssdev = omap_encoder->output; bool hdmi_mode = connector->display_info.is_hdmi; - if (dssdev->ops->hdmi.set_hdmi_mode) + if (dssdev->ops && dssdev->ops->hdmi.set_hdmi_mode) dssdev->ops->hdmi.set_hdmi_mode(dssdev, hdmi_mode); - if (hdmi_mode && dssdev->ops->hdmi.set_infoframe) { + if (hdmi_mode && dssdev->ops && dssdev->ops->hdmi.set_infoframe) { struct hdmi_avi_infoframe avi; int r; @@ -139,7 +139,7 @@ static void omap_encoder_mode_set(struct drm_encoder *encoder, dss_mgr_set_timings(output, &vm); for (dssdev = output; dssdev; dssdev = dssdev->next) { - if (dssdev->ops->set_timings) + if (dssdev->ops && dssdev->ops->set_timings) dssdev->ops->set_timings(dssdev, adjusted_mode); } @@ -168,7 +168,8 @@ static void omap_encoder_disable(struct drm_encoder *encoder) * flow where the pipeline output controls the encoder. */ if (dssdev->type != OMAP_DISPLAY_TYPE_DSI) { - dssdev->ops->disable(dssdev); + if (dssdev->ops && dssdev->ops->disable) + dssdev->ops->disable(dssdev); dssdev->state = OMAP_DSS_DISPLAY_DISABLED; } @@ -196,7 +197,8 @@ static void omap_encoder_enable(struct drm_encoder *encoder) * flow where the pipeline output controls the encoder. */ if (dssdev->type != OMAP_DISPLAY_TYPE_DSI) { - dssdev->ops->enable(dssdev); + if (dssdev->ops && dssdev->ops->enable) + dssdev->ops->enable(dssdev); dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; }