From patchwork Fri Feb 19 09:47:56 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 8358891 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 85CAB9F38B for ; Fri, 19 Feb 2016 09:49:30 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A54D32041B for ; Fri, 19 Feb 2016 09:49:29 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id BF0BF20426 for ; Fri, 19 Feb 2016 09:49:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 888826EE90; Fri, 19 Feb 2016 09:49:23 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from devils.ext.ti.com (devils.ext.ti.com [198.47.26.153]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3DD3089B70 for ; Fri, 19 Feb 2016 09:49:02 +0000 (UTC) Received: from dflxv15.itg.ti.com ([128.247.5.124]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id u1J9mxdN027158; Fri, 19 Feb 2016 03:48:59 -0600 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id u1J9mx2w007486; Fri, 19 Feb 2016 03:48:59 -0600 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.224.2; Fri, 19 Feb 2016 03:48:58 -0600 Received: from deskari.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id u1J9mP7P023949; Fri, 19 Feb 2016 03:48:58 -0600 From: Tomi Valkeinen To: , Laurent Pinchart Subject: [PATCH 21/33] drm/omap: HDMI: support double-pixel pixel clock Date: Fri, 19 Feb 2016 11:47:56 +0200 Message-ID: <1455875288-4370-22-git-send-email-tomi.valkeinen@ti.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1455875288-4370-1-git-send-email-tomi.valkeinen@ti.com> References: <1455875288-4370-1-git-send-email-tomi.valkeinen@ti.com> MIME-Version: 1.0 Cc: Tomi Valkeinen X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP We need double-pixel mode (pixel repetition) for interlace modes. This patch adds the necessary support to HDMI to double the pixel clock when double-pixel mode is used. Signed-off-by: Tomi Valkeinen --- drivers/gpu/drm/omapdrm/dss/hdmi4.c | 7 ++++++- drivers/gpu/drm/omapdrm/dss/hdmi5.c | 7 ++++++- 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c index b09ce9ee82fa..ddd6a331df39 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c @@ -168,6 +168,7 @@ static int hdmi_power_on_full(struct omap_dss_device *dssdev) struct omap_overlay_manager *mgr = hdmi.output.manager; struct hdmi_wp_data *wp = &hdmi.wp; struct dss_pll_clock_info hdmi_cinfo = { 0 }; + unsigned pc; r = hdmi_power_on_core(dssdev); if (r) @@ -181,7 +182,11 @@ static int hdmi_power_on_full(struct omap_dss_device *dssdev) DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res); - hdmi_pll_compute(&hdmi.pll, p->pixelclock, &hdmi_cinfo); + pc = p->pixelclock; + if (p->double_pixel) + pc *= 2; + + hdmi_pll_compute(&hdmi.pll, pc, &hdmi_cinfo); r = dss_pll_enable(&hdmi.pll.pll); if (r) { diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c index 4485a1c37bd8..34174ea85a54 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c @@ -184,6 +184,7 @@ static int hdmi_power_on_full(struct omap_dss_device *dssdev) struct omap_video_timings *p; struct omap_overlay_manager *mgr = hdmi.output.manager; struct dss_pll_clock_info hdmi_cinfo = { 0 }; + unsigned pc; r = hdmi_power_on_core(dssdev); if (r) @@ -193,7 +194,11 @@ static int hdmi_power_on_full(struct omap_dss_device *dssdev) DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res); - hdmi_pll_compute(&hdmi.pll, p->pixelclock, &hdmi_cinfo); + pc = p->pixelclock; + if (p->double_pixel) + pc *= 2; + + hdmi_pll_compute(&hdmi.pll, pc, &hdmi_cinfo); /* disable and clear irqs */ hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff);