From patchwork Fri Feb 24 12:54:45 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Keeping X-Patchwork-Id: 9590193 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 E9AB060471 for ; Fri, 24 Feb 2017 13:08:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B00022857C for ; Fri, 24 Feb 2017 13:08:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A4BFD2875B; Fri, 24 Feb 2017 13:08:52 +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=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=unavailable 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 476122857C for ; Fri, 24 Feb 2017 13:08:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=UCV8TUnyedSlTzMfB2bDVCcV9aKMlLlhSzyywB54hCc=; b=EkudF6cCctSFJPqRBVpVG6kGtN EiwjYMmhEOxuLvVPGI7X1W2aVsKWaHI8MvqxSF1TTQwgionfTlRQ4GWkyfHOv5Q1Fw4jaAH82WL1A nlNvH/nFi7VkePUW+d5EBunLRWkmbNJNr6wxHgjSPzWh2xzXw9P3b8AfHU4ystLxh07ma+tnSd4IP 0CoHgkHGkoFwMepuuxo4k7xhhhVyyohmLZhgcjpSvqPB4jsXqv2LzAqwMLgYLUFncOYuNdcpbYol9 nNAy/zwvXPbrLeZ1FzHNrVthu5O195jWU4ygmvFD7n3BJ2j01p+Xgt5xsoRASt7EWojWO0TZm116I U/uFSHvw==; 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 1chFc9-0007qP-JJ; Fri, 24 Feb 2017 13:08:49 +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 1chFPb-0006RB-ND; Fri, 24 Feb 2017 12:56:05 +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=uV4rIFd/ilLrR193VJC5MZbfI3QCEVFCHftycFtTVFs=; b=J4u4wvtMNZHA4hR3bR5EV2ZIjSwHeSEYvpyeIKCCVCEmlYLGBOD52anoiJBzTzhewkBnmZF7N62LAWnr/29QeqWcWDXtoYqhwxdF58okcGkGCoO9x09wJ2l5Vqqw4YJbPcFElhUAMuEu+jAYOO8XZmihkJqwn17m3BR0d2tiTnLUU36wJzJjMugXV9OqLK1ntOmD155NrBSBvxJElPU8EVcVwMJWJCZLNRxupBwgbNL+64jPcaPeGdLsQD2fIhIC6n35vgZSORBU2oqTm+K/NBtRwME0OCm0wMc6H7GBM4AULXlCVnUQnOA6bek83345zCEigkPRQh5DRksv/0c6fg==; Received: from brian ([192.168.88.1] helo=leela.metanate.com) by shrek.metanate.com with esmtpsa (TLSv1.2:DHE-RSA-AES128-GCM-SHA256:128) (Exim 4.83_RC2) (envelope-from ) id 1chFOz-0006ml-60; Fri, 24 Feb 2017 12:55:13 +0000 From: John Keeping To: Mark Yao Subject: [PATCH v4 02/23] drm/rockchip: dw-mipi-dsi: pass mode in where needed Date: Fri, 24 Feb 2017 12:54:45 +0000 Message-Id: <20170224125506.21533-3-john@metanate.com> X-Mailer: git-send-email 2.12.0.rc0.230.gf625d4cdb9.dirty In-Reply-To: <20170224125506.21533-1-john@metanate.com> References: <20170224125506.21533-1-john@metanate.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170224_045552_258317_50869C50 X-CRM114-Status: UNSURE ( 9.74 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: 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, Sean Paul , Chris Zhong , John Keeping , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This shows that we only use the mode from the enable function and prepares us to remove the "mode" field and the mode_set hook in the next commit. Signed-off-by: John Keeping Reviewed-by: Chris Zhong Reviewed-by: Sean Paul --- v4: - Add Sean's Reviewed-by v3: - Add Chris' Reviewed-by New in v2 --- drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 41 ++++++++++++++++++---------------- 1 file changed, 22 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c index bbd992299f73..cdbd25087e83 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c @@ -330,11 +330,11 @@ static int max_mbps_to_testdin(unsigned int max_mbps) * The controller should generate 2 frames before * preparing the peripheral. */ -static void dw_mipi_dsi_wait_for_two_frames(struct dw_mipi_dsi *dsi) +static void dw_mipi_dsi_wait_for_two_frames(struct drm_display_mode *mode) { int refresh, two_frames; - refresh = drm_mode_vrefresh(dsi->mode); + refresh = drm_mode_vrefresh(mode); two_frames = DIV_ROUND_UP(MSEC_PER_SEC, refresh) * 2; msleep(two_frames); } @@ -459,7 +459,8 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi) return ret; } -static int dw_mipi_dsi_get_lane_bps(struct dw_mipi_dsi *dsi) +static int dw_mipi_dsi_get_lane_bps(struct dw_mipi_dsi *dsi, + struct drm_display_mode *mode) { unsigned int i, pre; unsigned long mpclk, pllref, tmp; @@ -474,7 +475,7 @@ static int dw_mipi_dsi_get_lane_bps(struct dw_mipi_dsi *dsi) return bpp; } - mpclk = DIV_ROUND_UP(dsi->mode->clock, MSEC_PER_SEC); + mpclk = DIV_ROUND_UP(mode->clock, MSEC_PER_SEC); if (mpclk) { /* take 1 / 0.9, since mbps must big than bandwidth of RGB */ tmp = mpclk * (bpp / dsi->lanes) * 10 / 9; @@ -742,43 +743,44 @@ static void dw_mipi_dsi_command_mode_config(struct dw_mipi_dsi *dsi) /* Get lane byte clock cycles. */ static u32 dw_mipi_dsi_get_hcomponent_lbcc(struct dw_mipi_dsi *dsi, + struct drm_display_mode *mode, u32 hcomponent) { u32 frac, lbcc; lbcc = hcomponent * dsi->lane_mbps * MSEC_PER_SEC / 8; - frac = lbcc % dsi->mode->clock; - lbcc = lbcc / dsi->mode->clock; + frac = lbcc % mode->clock; + lbcc = lbcc / mode->clock; if (frac) lbcc++; return lbcc; } -static void dw_mipi_dsi_line_timer_config(struct dw_mipi_dsi *dsi) +static void dw_mipi_dsi_line_timer_config(struct dw_mipi_dsi *dsi, + struct drm_display_mode *mode) { u32 htotal, hsa, hbp, lbcc; - struct drm_display_mode *mode = dsi->mode; htotal = mode->htotal; hsa = mode->hsync_end - mode->hsync_start; hbp = mode->htotal - mode->hsync_end; - lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, htotal); + lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, mode, htotal); dsi_write(dsi, DSI_VID_HLINE_TIME, lbcc); - lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, hsa); + lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, mode, hsa); dsi_write(dsi, DSI_VID_HSA_TIME, lbcc); - lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, hbp); + lbcc = dw_mipi_dsi_get_hcomponent_lbcc(dsi, mode, hbp); dsi_write(dsi, DSI_VID_HBP_TIME, lbcc); } -static void dw_mipi_dsi_vertical_timing_config(struct dw_mipi_dsi *dsi) +static void dw_mipi_dsi_vertical_timing_config(struct dw_mipi_dsi *dsi, + struct drm_display_mode *mode) { u32 vactive, vsa, vfp, vbp; - struct drm_display_mode *mode = dsi->mode; vactive = mode->vdisplay; vsa = mode->vsync_end - mode->vsync_start; @@ -852,11 +854,12 @@ static void dw_mipi_dsi_encoder_disable(struct drm_encoder *encoder) static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) { struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder); + struct drm_display_mode *mode = dsi->mode; 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); + ret = dw_mipi_dsi_get_lane_bps(dsi, mode); if (ret < 0) return; @@ -866,13 +869,13 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) } dw_mipi_dsi_init(dsi); - dw_mipi_dsi_dpi_config(dsi, dsi->mode); + 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, dsi->mode); + 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_line_timer_config(dsi, mode); + dw_mipi_dsi_vertical_timing_config(dsi, mode); dw_mipi_dsi_dphy_timing_config(dsi); dw_mipi_dsi_dphy_interface_config(dsi); dw_mipi_dsi_clear_err(dsi); @@ -880,7 +883,7 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) dev_err(dsi->dev, "failed to prepare panel\n"); dw_mipi_dsi_phy_init(dsi); - dw_mipi_dsi_wait_for_two_frames(dsi); + dw_mipi_dsi_wait_for_two_frames(mode); dw_mipi_dsi_set_mode(dsi, DW_MIPI_DSI_VID_MODE); drm_panel_enable(dsi->panel);