From patchwork Thu Sep 3 16:57:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Tretter X-Patchwork-Id: 11754369 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 B792F109B for ; Thu, 3 Sep 2020 16:57:53 +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 9BE0A206A5 for ; Thu, 3 Sep 2020 16:57:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9BE0A206A5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de 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 45D1D6EA23; Thu, 3 Sep 2020 16:57:35 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by gabe.freedesktop.org (Postfix) with ESMTPS id A68F26EA16 for ; Thu, 3 Sep 2020 16:57:29 +0000 (UTC) Received: from [2a0a:edc0:0:1101:1d::39] (helo=dude03.red.stw.pengutronix.de) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kDsY9-0003YG-Or; Thu, 03 Sep 2020 18:57:27 +0200 Received: from mtr by dude03.red.stw.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1kDsY3-005L3i-NZ; Thu, 03 Sep 2020 18:57:19 +0200 From: Michael Tretter To: dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org Date: Thu, 3 Sep 2020 18:57:15 +0200 Message-Id: <20200903165717.1272492-15-m.tretter@pengutronix.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200903165717.1272492-1-m.tretter@pengutronix.de> References: <20200903165717.1272492-1-m.tretter@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:1101:1d::39 X-SA-Exim-Mail-From: mtr@pengutronix.de X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-0.4 required=4.0 tests=AWL,BAYES_00,RDNS_NONE, SPF_HELO_NONE,SPF_SOFTFAIL autolearn=no autolearn_force=no version=3.4.2 Subject: [PATCH 14/16] drm/exynos: add callback for enabling i80 mode X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) X-PTX-Original-Recipient: dri-devel@lists.freedesktop.org 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: Michael Tretter , krzk@kernel.org, Laurent.pinchart@ideasonboard.com, kernel@pengutronix.de, narmstrong@baylibre.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Display controllers need to know if the MIPI DSI bridge is running in command or video mode. Allow platform drivers to register a callback for being notified about the used mode. Signed-off-by: Michael Tretter --- drivers/gpu/drm/exynos/exynos_drm_dsi.c | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index 993402f1f7c7..a9dac66c834f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -255,6 +255,7 @@ struct exynos_dsi_driver_data { unsigned int num_bits_resol; const unsigned int *reg_values; void (*te_handler)(struct drm_encoder *encoder); + void (*set_command_node)(struct drm_encoder *encoder, bool enable); }; struct exynos_dsi { @@ -471,6 +472,19 @@ static void exynos_dsi_te_handler(struct drm_encoder *encoder) exynos_drm_crtc_te_handler(encoder->crtc); } +static void exynos_dsi_set_command_mode(struct drm_encoder *encoder, + bool enable) +{ + struct drm_device *drm = encoder->dev; + struct exynos_drm_crtc *crtc; + + crtc = exynos_drm_crtc_get_by_type(drm, EXYNOS_DISPLAY_TYPE_LCD); + if (IS_ERR(crtc)) + return; + + crtc->i80_mode = enable; +} + static const struct exynos_dsi_driver_data exynos3_dsi_driver_data = { .reg_ofs = EXYNOS_REG_OFS, .plltmr_reg = 0x50, @@ -482,6 +496,7 @@ static const struct exynos_dsi_driver_data exynos3_dsi_driver_data = { .num_bits_resol = 11, .reg_values = reg_values, .te_handler = exynos_dsi_te_handler, + .set_command_node = exynos_dsi_set_command_mode, }; static const struct exynos_dsi_driver_data exynos4_dsi_driver_data = { @@ -495,6 +510,7 @@ static const struct exynos_dsi_driver_data exynos4_dsi_driver_data = { .num_bits_resol = 11, .reg_values = reg_values, .te_handler = exynos_dsi_te_handler, + .set_command_node = exynos_dsi_set_command_mode, }; static const struct exynos_dsi_driver_data exynos5_dsi_driver_data = { @@ -506,6 +522,7 @@ static const struct exynos_dsi_driver_data exynos5_dsi_driver_data = { .num_bits_resol = 11, .reg_values = reg_values, .te_handler = exynos_dsi_te_handler, + .set_command_node = exynos_dsi_set_command_mode, }; static const struct exynos_dsi_driver_data exynos5433_dsi_driver_data = { @@ -518,6 +535,7 @@ static const struct exynos_dsi_driver_data exynos5433_dsi_driver_data = { .num_bits_resol = 12, .reg_values = exynos5433_reg_values, .te_handler = exynos_dsi_te_handler, + .set_command_node = exynos_dsi_set_command_mode, }; static const struct exynos_dsi_driver_data exynos5422_dsi_driver_data = { @@ -530,6 +548,7 @@ static const struct exynos_dsi_driver_data exynos5422_dsi_driver_data = { .num_bits_resol = 12, .reg_values = exynos5422_reg_values, .te_handler = exynos_dsi_te_handler, + .set_command_node = exynos_dsi_set_command_mode, }; static const struct of_device_id exynos_dsi_of_match[] = { @@ -1651,8 +1670,9 @@ static int exynos_dsi_host_attach(struct mipi_dsi_host *host, dsi->lanes = device->lanes; dsi->format = device->format; dsi->mode_flags = device->mode_flags; - exynos_drm_crtc_get_by_type(drm, EXYNOS_DISPLAY_TYPE_LCD)->i80_mode = - !(dsi->mode_flags & MIPI_DSI_MODE_VIDEO); + if (dsi->driver_data->set_command_node) + dsi->driver_data->set_command_node(encoder, + !(dsi->mode_flags & MIPI_DSI_MODE_VIDEO)); mutex_unlock(&drm->mode_config.mutex);