From patchwork Sat May 9 10:26:06 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Russell King X-Patchwork-Id: 6369171 Return-Path: X-Original-To: patchwork-linux-arm@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 31A0A9F440 for ; Sat, 9 May 2015 10:29:17 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4EB70201EF for ; Sat, 9 May 2015 10:29:16 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 59441202D1 for ; Sat, 9 May 2015 10:29:15 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Yr1yB-0000W1-Ap; Sat, 09 May 2015 10:26:55 +0000 Received: from pandora.arm.linux.org.uk ([2001:4d48:ad52:3201:214:fdff:fe10:1be6]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Yr1y4-0000MF-SI for linux-arm-kernel@lists.infradead.org; Sat, 09 May 2015 10:26:50 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=arm.linux.org.uk; s=pandora-2014; h=Date:Sender:Message-Id:Content-Type:Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References:In-Reply-To; bh=RFgX4qExAsAv2LmrTT2ONoF7DArcfuomPLDDM+/W9wg=; b=p/l6fH9h1K9PwW+AP4c57ojB/Ll2QRkxiKff3ZjXswz9mdDDqI6hN5euKVRPUe1g/yA4Nq0cv/6h1BHu5rWIe1A3hUOK6dXpgTatblO0pZ1KBINOFXaty0rOQqmDnn76XnSHWG2i2gOf8n6GDku+DAjk3UogTjOCl/DhXOqbeds=; Received: from e0022681537dd.dyn.arm.linux.org.uk ([2002:4e20:1eda:1:222:68ff:fe15:37dd]:37370 helo=rmk-PC.arm.linux.org.uk) by pandora.arm.linux.org.uk with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1Yr1xT-0004zJ-4r; Sat, 09 May 2015 11:26:11 +0100 Received: from rmk by rmk-PC.arm.linux.org.uk with local (Exim 4.76) (envelope-from ) id 1Yr1xO-0006kg-K0; Sat, 09 May 2015 11:26:06 +0100 In-Reply-To: <20150509102501.GO2067@n2100.arm.linux.org.uk> References: <20150509102501.GO2067@n2100.arm.linux.org.uk> From: Russell King To: alsa-devel@alsa-project.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 03/13] drm: bridge/dw_hdmi: clean up hdmi_set_clk_regenerator() MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Sat, 09 May 2015 11:26:06 +0100 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150509_032650_032360_DEA6AA8D X-CRM114-Status: GOOD ( 13.01 ) X-Spam-Score: -0.1 (/) Cc: Fabio Estevam , David Airlie , Jaroslav Kysela , Takashi Iwai , Mark Brown , Philipp Zabel , Yakir Yang X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED, T_DKIM_INVALID, T_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 Clean up hdmi_set_clk_regenerator() by allowing it to take the audio sample rate and ratio directly, rather than hiding it inside the function. Raise the unsupported pixel clock/sample rate message from debug to error level as this results in audio not working correctly. Signed-off-by: Russell King --- drivers/gpu/drm/bridge/dw_hdmi.c | 32 +++++++++++++++----------------- 1 file changed, 15 insertions(+), 17 deletions(-) diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c index 23ea8c5c85b6..75099b80ca7e 100644 --- a/drivers/gpu/drm/bridge/dw_hdmi.c +++ b/drivers/gpu/drm/bridge/dw_hdmi.c @@ -335,39 +335,37 @@ static unsigned int hdmi_compute_cts(unsigned int freq, unsigned long pixel_clk, } static void hdmi_set_clk_regenerator(struct dw_hdmi *hdmi, - unsigned long pixel_clk) + unsigned long pixel_clk, unsigned int sample_rate, unsigned int ratio) { - unsigned int clk_n, clk_cts; + unsigned int n, cts; - clk_n = hdmi_compute_n(hdmi->sample_rate, pixel_clk, - hdmi->ratio); - clk_cts = hdmi_compute_cts(hdmi->sample_rate, pixel_clk, - hdmi->ratio); - - if (!clk_cts) { - dev_dbg(hdmi->dev, "%s: pixel clock not supported: %lu\n", - __func__, pixel_clk); - return; + n = hdmi_compute_n(sample_rate, pixel_clk, ratio); + cts = hdmi_compute_cts(sample_rate, pixel_clk, ratio); + if (!cts) { + dev_err(hdmi->dev, + "%s: pixel clock/sample rate not supported: %luMHz / %ukHz\n", + __func__, pixel_clk, sample_rate); } - dev_dbg(hdmi->dev, "%s: samplerate=%d ratio=%d pixelclk=%lu N=%d cts=%d\n", - __func__, hdmi->sample_rate, hdmi->ratio, - pixel_clk, clk_n, clk_cts); + dev_dbg(hdmi->dev, "%s: samplerate=%ukHz ratio=%d pixelclk=%luMHz N=%d cts=%d\n", + __func__, sample_rate, ratio, pixel_clk, n, cts); - hdmi_set_cts_n(hdmi, clk_cts, clk_n); + hdmi_set_cts_n(hdmi, cts, n); } static void hdmi_init_clk_regenerator(struct dw_hdmi *hdmi) { mutex_lock(&hdmi->audio_mutex); - hdmi_set_clk_regenerator(hdmi, 74250000); + hdmi_set_clk_regenerator(hdmi, 74250000, hdmi->sample_rate, + hdmi->ratio); mutex_unlock(&hdmi->audio_mutex); } static void hdmi_clk_regenerator_update_pixel_clock(struct dw_hdmi *hdmi) { mutex_lock(&hdmi->audio_mutex); - hdmi_set_clk_regenerator(hdmi, hdmi->hdmi_data.video_mode.mpixelclock); + hdmi_set_clk_regenerator(hdmi, hdmi->hdmi_data.video_mode.mpixelclock, + hdmi->sample_rate, hdmi->ratio); mutex_unlock(&hdmi->audio_mutex); }