From patchwork Mon Mar 6 00:02:54 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 9604875 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EB9AA604E2 for ; Mon, 6 Mar 2017 00:10:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DD98D272F9 for ; Mon, 6 Mar 2017 00:10:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D26B727DA4; Mon, 6 Mar 2017 00:10:02 +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=-7.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4522C27D5D for ; Mon, 6 Mar 2017 00:10:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752398AbdCFAKC (ORCPT ); Sun, 5 Mar 2017 19:10:02 -0500 Received: from galahad.ideasonboard.com ([185.26.127.97]:59894 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752442AbdCFAKB (ORCPT ); Sun, 5 Mar 2017 19:10:01 -0500 Received: from avalon.bb.dnainternet.fi (dfj612ybrt5fhg77mgycy-3.rev.dnainternet.fi [IPv6:2001:14ba:21f5:5b00:2e86:4862:ef6a:2804]) by galahad.ideasonboard.com (Postfix) with ESMTPSA id 94187202B9; Mon, 6 Mar 2017 01:01:29 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1488758489; bh=G1P45K4/wfZM86VFzUo3WTxE2q4g5uGmNmBcpjlUnfQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dvOpmFwSi2pXJgl2WRwq/uN0MlhahkJdZfinQpN0dIb0QWuloG0DVwKOMZZrMmHzl Ws5ZitV0Y1aIopfl7MLqtSNhkfZ8yTpHco8i8RxaMkQ9cJQxlTbnU2225xnTUJCtoR qRuCr69szzG5IUXMMzXnH10Z9q6sdKdEdcno9cZ0= From: Laurent Pinchart To: dri-devel@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org Subject: [PATCH v3 1/9] drm: rcar-du: Use the DRM panel API Date: Mon, 6 Mar 2017 02:02:54 +0200 Message-Id: <20170306000302.14149-2-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20170306000302.14149-1-laurent.pinchart+renesas@ideasonboard.com> References: <20170306000302.14149-1-laurent.pinchart+renesas@ideasonboard.com> Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Instead of parsing the panel device tree node manually, use the panel API to delegate panel handling to a panel driver. Signed-off-by: Laurent Pinchart --- drivers/gpu/drm/rcar-du/Kconfig | 1 + drivers/gpu/drm/rcar-du/rcar_du_encoder.c | 22 ++++++++++ drivers/gpu/drm/rcar-du/rcar_du_encoder.h | 3 ++ drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c | 68 +++++++++++-------------------- 4 files changed, 50 insertions(+), 44 deletions(-) diff --git a/drivers/gpu/drm/rcar-du/Kconfig b/drivers/gpu/drm/rcar-du/Kconfig index 4c2fd056dd6d..2bab449add76 100644 --- a/drivers/gpu/drm/rcar-du/Kconfig +++ b/drivers/gpu/drm/rcar-du/Kconfig @@ -20,6 +20,7 @@ config DRM_RCAR_HDMI config DRM_RCAR_LVDS bool "R-Car DU LVDS Encoder Support" depends on DRM_RCAR_DU + select DRM_PANEL help Enable support for the R-Car Display Unit embedded LVDS encoders. diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c index 3974d9495f37..31f878ad099d 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c @@ -16,6 +16,7 @@ #include #include #include +#include #include "rcar_du_drv.h" #include "rcar_du_encoder.h" @@ -33,6 +34,11 @@ static void rcar_du_encoder_disable(struct drm_encoder *encoder) { struct rcar_du_encoder *renc = to_rcar_encoder(encoder); + if (renc->connector && renc->connector->panel) { + drm_panel_disable(renc->connector->panel); + drm_panel_unprepare(renc->connector->panel); + } + if (renc->lvds) rcar_du_lvdsenc_enable(renc->lvds, encoder->crtc, false); } @@ -43,6 +49,11 @@ static void rcar_du_encoder_enable(struct drm_encoder *encoder) if (renc->lvds) rcar_du_lvdsenc_enable(renc->lvds, encoder->crtc, true); + + if (renc->connector && renc->connector->panel) { + drm_panel_prepare(renc->connector->panel); + drm_panel_enable(renc->connector->panel); + } } static int rcar_du_encoder_atomic_check(struct drm_encoder *encoder, @@ -89,6 +100,17 @@ static void rcar_du_encoder_mode_set(struct drm_encoder *encoder, struct rcar_du_encoder *renc = to_rcar_encoder(encoder); rcar_du_crtc_route_output(crtc_state->crtc, renc->output); + + if (!renc->lvds) { + /* + * The DU driver creates connectors only for the outputs of the + * internal LVDS encoders. + */ + renc->connector = NULL; + return; + } + + renc->connector = to_rcar_connector(conn_state->connector); } static const struct drm_encoder_helper_funcs encoder_helper_funcs = { diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.h b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h index a050a3699857..b79b2f075a74 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h @@ -17,6 +17,7 @@ #include #include +struct drm_panel; struct rcar_du_device; struct rcar_du_hdmienc; struct rcar_du_lvdsenc; @@ -32,6 +33,7 @@ enum rcar_du_encoder_type { struct rcar_du_encoder { struct drm_encoder base; enum rcar_du_output output; + struct rcar_du_connector *connector; struct rcar_du_hdmienc *hdmi; struct rcar_du_lvdsenc *lvds; }; @@ -44,6 +46,7 @@ struct rcar_du_encoder { struct rcar_du_connector { struct drm_connector connector; struct rcar_du_encoder *encoder; + struct drm_panel *panel; }; #define to_rcar_connector(c) \ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c index 3bcfd161c53f..ee91481131ad 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c @@ -15,6 +15,7 @@ #include #include #include +#include #include