From patchwork Sun Jan 29 13:24:21 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Keeping X-Patchwork-Id: 9544089 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 6850860488 for ; Sun, 29 Jan 2017 13:36:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5A05526E46 for ; Sun, 29 Jan 2017 13:36:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4E9AD26E51; Sun, 29 Jan 2017 13:36:30 +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=-1.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, T_DKIM_INVALID autolearn=no version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D23DB26E46 for ; Sun, 29 Jan 2017 13:36:29 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cXpee-0005Vs-Ez; Sun, 29 Jan 2017 13:36:28 +0000 Received: from dougal.metanate.com ([90.155.101.14] helo=metanate.com) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cXpUD-0003sM-Cq; Sun, 29 Jan 2017 13:25:53 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=simple/simple; d=metanate.com; s=stronger; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From; bh=PJJolGHM0ks6W4COgVqhqy8ZrCxDSCaNAv62F9ovV88=; b=ncnZHnwDd2if40QLE0bQhWTFeIWg5oeyxUXBtN+Hutr55AhuHMiilUy4eUsBm+IZ6WbqREOdgshiGyNuG4E7edkDBNo6yascU+f7gFsYMmxWHPrJRQ0uR1KdjnsR5AJFvncX32tigFEloCkP2+4CZUOl1q72GhhrK/OvKWKlv6gIvO710GkjPKKQzvrVqOManuLDoHGbpVphRHoGhClf/vWUVW9i18ae2ecqmCGi9KTLQ/t2exDeJHktUORR6Rj/0UETccqmDO55A/3NLcJ3t1AElDnpl1hTO/nfGvJWx/BYjqwZyE8WKdOM5czkT6n1zPj1xoR6RZKwyISKj56lXQ==; Received: from johnkeeping.plus.com ([81.174.171.191] helo=localhost.localdomain) by shrek.metanate.com with esmtpsa (TLSv1.2:DHE-RSA-AES128-GCM-SHA256:128) (Exim 4.83_RC2) (envelope-from ) id 1cXpTb-000362-2u; Sun, 29 Jan 2017 13:25:03 +0000 From: John Keeping To: Mark Yao Subject: [PATCH v3 01/24] drm/rockchip: dw-mipi-dsi: don't configure hardware in mode_set for MIPI Date: Sun, 29 Jan 2017 13:24:21 +0000 Message-Id: <20170129132444.25251-2-john@metanate.com> X-Mailer: git-send-email 2.11.0.197.gb556de5.dirty In-Reply-To: <20170129132444.25251-1-john@metanate.com> References: <20170129132444.25251-1-john@metanate.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170129_052541_686028_733C68B1 X-CRM114-Status: GOOD ( 10.47 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, John Keeping , Chris Zhong , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP With atomic modesetting the hardware will be powered off when the mode_set function is called. We should configure the hardware in the enable function, which is the atomic version of "commit" so let's use the enable hook rather than commit while we're at it. Signed-off-by: John Keeping Reviewed-by: Sean Paul --- v3: - Squash together with the commit to s/commit/enable/ Unchanged in v2 drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 49 +++++++++++++++------------------- 1 file changed, 21 insertions(+), 28 deletions(-) diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c index d9aa382bb629..bbd992299f73 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c @@ -819,34 +819,8 @@ static void dw_mipi_dsi_encoder_mode_set(struct drm_encoder *encoder, struct drm_display_mode *adjusted_mode) { struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder); - int ret; dsi->mode = adjusted_mode; - - ret = dw_mipi_dsi_get_lane_bps(dsi); - if (ret < 0) - return; - - if (clk_prepare_enable(dsi->pclk)) { - dev_err(dsi->dev, "%s: Failed to enable pclk\n", __func__); - return; - } - - dw_mipi_dsi_init(dsi); - dw_mipi_dsi_dpi_config(dsi, mode); - dw_mipi_dsi_packet_handler_config(dsi); - dw_mipi_dsi_video_mode_config(dsi); - dw_mipi_dsi_video_packet_config(dsi, mode); - dw_mipi_dsi_command_mode_config(dsi); - dw_mipi_dsi_line_timer_config(dsi); - dw_mipi_dsi_vertical_timing_config(dsi); - dw_mipi_dsi_dphy_timing_config(dsi); - dw_mipi_dsi_dphy_interface_config(dsi); - dw_mipi_dsi_clear_err(dsi); - if (drm_panel_prepare(dsi->panel)) - dev_err(dsi->dev, "failed to prepare panel\n"); - - clk_disable_unprepare(dsi->pclk); } static void dw_mipi_dsi_encoder_disable(struct drm_encoder *encoder) @@ -875,17 +849,36 @@ static void dw_mipi_dsi_encoder_disable(struct drm_encoder *encoder) clk_disable_unprepare(dsi->pclk); } -static void dw_mipi_dsi_encoder_commit(struct drm_encoder *encoder) +static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) { struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder); int mux = drm_of_encoder_active_endpoint_id(dsi->dev->of_node, encoder); u32 val; + int ret; + + ret = dw_mipi_dsi_get_lane_bps(dsi); + if (ret < 0) + return; if (clk_prepare_enable(dsi->pclk)) { dev_err(dsi->dev, "%s: Failed to enable pclk\n", __func__); return; } + dw_mipi_dsi_init(dsi); + dw_mipi_dsi_dpi_config(dsi, dsi->mode); + dw_mipi_dsi_packet_handler_config(dsi); + dw_mipi_dsi_video_mode_config(dsi); + dw_mipi_dsi_video_packet_config(dsi, dsi->mode); + dw_mipi_dsi_command_mode_config(dsi); + dw_mipi_dsi_line_timer_config(dsi); + dw_mipi_dsi_vertical_timing_config(dsi); + dw_mipi_dsi_dphy_timing_config(dsi); + dw_mipi_dsi_dphy_interface_config(dsi); + dw_mipi_dsi_clear_err(dsi); + if (drm_panel_prepare(dsi->panel)) + dev_err(dsi->dev, "failed to prepare panel\n"); + dw_mipi_dsi_phy_init(dsi); dw_mipi_dsi_wait_for_two_frames(dsi); @@ -933,7 +926,7 @@ dw_mipi_dsi_encoder_atomic_check(struct drm_encoder *encoder, static struct drm_encoder_helper_funcs dw_mipi_dsi_encoder_helper_funcs = { - .commit = dw_mipi_dsi_encoder_commit, + .enable = dw_mipi_dsi_encoder_enable, .mode_set = dw_mipi_dsi_encoder_mode_set, .disable = dw_mipi_dsi_encoder_disable, .atomic_check = dw_mipi_dsi_encoder_atomic_check,