From patchwork Fri May 7 08:49:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Werner Sembach X-Patchwork-Id: 12244141 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 05306C433ED for ; Fri, 7 May 2021 08:49:22 +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 8F98A61430 for ; Fri, 7 May 2021 08:49:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8F98A61430 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=tuxedocomputers.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E6BB56EDD7; Fri, 7 May 2021 08:49:14 +0000 (UTC) Received: from srv6.fidu.org (srv6.fidu.org [IPv6:2a01:4f8:231:de0::2]) by gabe.freedesktop.org (Postfix) with ESMTPS id E30666EDD1; Fri, 7 May 2021 08:49:12 +0000 (UTC) Received: from localhost (localhost.localdomain [127.0.0.1]) by srv6.fidu.org (Postfix) with ESMTP id A4BB5C800AF; Fri, 7 May 2021 10:49:11 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at srv6.fidu.org Received: from srv6.fidu.org ([127.0.0.1]) by localhost (srv6.fidu.org [127.0.0.1]) (amavisd-new, port 10026) with LMTP id jnK2m6DocQmF; Fri, 7 May 2021 10:49:11 +0200 (CEST) Received: from wsembach-tuxedo.fritz.box (p200300E37f12F200FD3bB57523c33F70.dip0.t-ipconnect.de [IPv6:2003:e3:7f12:f200:fd3b:b575:23c3:3f70]) (Authenticated sender: wse@tuxedocomputers.com) by srv6.fidu.org (Postfix) with ESMTPA id 6481AC800AA; Fri, 7 May 2021 10:49:11 +0200 (CEST) From: Werner Sembach To: ville.syrjala@linux.intel.com, airlied@linux.ie, daniel@ffwll.ch, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Date: Fri, 7 May 2021 10:49:01 +0200 Message-Id: <20210507084903.28877-2-wse@tuxedocomputers.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210507084903.28877-1-wse@tuxedocomputers.com> References: <20210506172325.1995964-1-wse@tuxedocomputers.com> <20210507084903.28877-1-wse@tuxedocomputers.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v6 1/3] drm/i915/display: New function to avoid duplicate code in upcomming commits X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Werner Sembach Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Moves some checks that later will be performed 2 times to an own function. This avoids duplicate code later on. Signed-off-by: Werner Sembach --- drivers/gpu/drm/i915/display/intel_hdmi.c | 41 ++++++++++++++--------- 1 file changed, 26 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index 46de56af33db..576d3d910d06 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -1861,6 +1861,31 @@ static int intel_hdmi_port_clock(int clock, int bpc) return clock * bpc / 8; } +static enum drm_mode_status +intel_hdmi_mode_clock_valid(struct intel_hdmi *hdmi, int clock, bool has_hdmi_sink) +{ + struct drm_device *dev = intel_hdmi_to_dev(hdmi); + struct drm_i915_private *dev_priv = to_i915(dev); + enum drm_mode_status status; + + /* check if we can do 8bpc */ + status = hdmi_port_clock_valid(hdmi, clock, true, has_hdmi_sink); + + if (has_hdmi_sink) { + /* if we can't do 8bpc we may still be able to do 12bpc */ + if (status != MODE_OK && !HAS_GMCH(dev_priv)) + status = hdmi_port_clock_valid(hdmi, clock * 3 / 2, + true, has_hdmi_sink); + + /* if we can't do 8,12bpc we may still be able to do 10bpc */ + if (status != MODE_OK && INTEL_GEN(dev_priv) >= 11) + status = hdmi_port_clock_valid(hdmi, clock * 5 / 4, + true, has_hdmi_sink); + } + + return status; +} + static enum drm_mode_status intel_hdmi_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) @@ -1891,21 +1916,7 @@ intel_hdmi_mode_valid(struct drm_connector *connector, if (drm_mode_is_420_only(&connector->display_info, mode)) clock /= 2; - /* check if we can do 8bpc */ - status = hdmi_port_clock_valid(hdmi, intel_hdmi_port_clock(clock, 8), - true, has_hdmi_sink); - - if (has_hdmi_sink) { - /* if we can't do 8bpc we may still be able to do 12bpc */ - if (status != MODE_OK && !HAS_GMCH(dev_priv)) - status = hdmi_port_clock_valid(hdmi, intel_hdmi_port_clock(clock, 12), - true, has_hdmi_sink); - - /* if we can't do 8,12bpc we may still be able to do 10bpc */ - if (status != MODE_OK && DISPLAY_VER(dev_priv) >= 11) - status = hdmi_port_clock_valid(hdmi, intel_hdmi_port_clock(clock, 10), - true, has_hdmi_sink); - } + status = intel_hdmi_mode_clock_valid(hdmi, clock, has_hdmi_sink); if (status != MODE_OK) return status;