From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 B0B40C43381 for ; Mon, 4 Mar 2019 14:53:35 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 716B920815 for ; Mon, 4 Mar 2019 14:53:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="q/ASxYVu" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 716B920815 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=RmtaEC5gqBluk6dqx8IUy0O+4Kx35v3bom3qAhjGC8Y=; b=q/ASxYVuWp/WsF Y94KF4um2T0ipHdJGl2KdgbpkLgN4GcS6oe/1g46zYV7BbIc/zz003NWi+f21Fpg56pQhmrIXG25F KATifFer4g9wibFb/J3lHHyHSaKM8qb42GRmrmBakLFOzxEFSaLFTCc2hRajkVFBCFsJq2jkbKASj YRvT4JZ3zwWRiCnYEU2gVPeNFWSc68a+XIjunNd/S/92aeedk3M8qyHImLFSgLrRUAl1DnKuSQ7k/ fspQJFcK2dle/8HjJPF6FdUOaSOWKiCxNuLyZn/V8xNJA+R7EtK8gyWgC6J/WQaUO7cEpOTgzMUq4 YAcKJchxQ2JQ4odEPKWw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h0oy7-0006uA-Ap; Mon, 04 Mar 2019 14:53:27 +0000 Received: from relay10.mail.gandi.net ([217.70.178.230]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h0oxf-0006LV-DS for linux-arm-kernel@lists.infradead.org; Mon, 04 Mar 2019 14:53:02 +0000 Received: from localhost (unknown [185.94.189.188]) (Authenticated sender: maxime.ripard@bootlin.com) by relay10.mail.gandi.net (Postfix) with ESMTPSA id 6F999240007; Mon, 4 Mar 2019 14:52:50 +0000 (UTC) From: Maxime Ripard To: Maarten Lankhorst , Sean Paul , Maxime Ripard , Daniel Vetter , David Airlie Subject: [PATCH 2/7] drm/edid: Allow to ignore the audio EDID data Date: Mon, 4 Mar 2019 15:52:35 +0100 Message-Id: <4914bea9fc3ef3deaffa39ab691dbd9a76461e97.1551711042.git-series.maxime.ripard@bootlin.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190304_065259_727974_7AE350C0 X-CRM114-Status: UNSURE ( 9.96 ) 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: eben@raspberrypi.org, dri-devel@lists.freedesktop.org, Paul Kocialkowski , Eric Anholt , Thomas Petazzoni , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org In some cases, in order to accomodate with displays with poor EDIDs, we need to ignore that the monitor alledgedly supports audio output and disable the audio output. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/drm_edid.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 990b1909f9d7..c0258b011bb2 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -4190,6 +4190,11 @@ bool drm_detect_hdmi_monitor(struct edid *edid) } EXPORT_SYMBOL(drm_detect_hdmi_monitor); +static bool ignore_edid_audio = false; +module_param(ignore_edid_audio, bool, 0644); +MODULE_PARM_DESC(ignore_edid_audio, + "Ignore the EDID and always consider that a monitor doesn't have audio capabilities"); + /** * drm_detect_monitor_audio - check monitor audio capability * @edid: EDID block to scan @@ -4209,6 +4214,9 @@ bool drm_detect_monitor_audio(struct edid *edid) bool has_audio = false; int start_offset, end_offset; + if (ignore_edid_audio) + goto end; + edid_ext = drm_find_cea_extension(edid); if (!edid_ext) goto end; -- git-series 0.9.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: [PATCH 2/7] drm/edid: Allow to ignore the audio EDID data Date: Mon, 4 Mar 2019 15:52:35 +0100 Message-ID: <4914bea9fc3ef3deaffa39ab691dbd9a76461e97.1551711042.git-series.maxime.ripard@bootlin.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from relay10.mail.gandi.net (relay10.mail.gandi.net [217.70.178.230]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1EDB489D39 for ; Mon, 4 Mar 2019 14:52:55 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Maarten Lankhorst , Sean Paul , Maxime Ripard , Daniel Vetter , David Airlie Cc: eben@raspberrypi.org, dri-devel@lists.freedesktop.org, Paul Kocialkowski , Thomas Petazzoni , linux-arm-kernel@lists.infradead.org List-Id: dri-devel@lists.freedesktop.org SW4gc29tZSBjYXNlcywgaW4gb3JkZXIgdG8gYWNjb21vZGF0ZSB3aXRoIGRpc3BsYXlzIHdpdGgg cG9vciBFRElEcywgd2UKbmVlZCB0byBpZ25vcmUgdGhhdCB0aGUgbW9uaXRvciBhbGxlZGdlZGx5 IHN1cHBvcnRzIGF1ZGlvIG91dHB1dCBhbmQKZGlzYWJsZSB0aGUgYXVkaW8gb3V0cHV0LgoKU2ln bmVkLW9mZi1ieTogTWF4aW1lIFJpcGFyZCA8bWF4aW1lLnJpcGFyZEBib290bGluLmNvbT4KLS0t CiBkcml2ZXJzL2dwdS9kcm0vZHJtX2VkaWQuYyB8IDggKysrKysrKysKIDEgZmlsZSBjaGFuZ2Vk LCA4IGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2VkaWQu YyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1fZWRpZC5jCmluZGV4IDk5MGIxOTA5ZjlkNy4uYzAyNThi MDExYmIyIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2VkaWQuYworKysgYi9kcml2 ZXJzL2dwdS9kcm0vZHJtX2VkaWQuYwpAQCAtNDE5MCw2ICs0MTkwLDExIEBAIGJvb2wgZHJtX2Rl dGVjdF9oZG1pX21vbml0b3Ioc3RydWN0IGVkaWQgKmVkaWQpCiB9CiBFWFBPUlRfU1lNQk9MKGRy bV9kZXRlY3RfaGRtaV9tb25pdG9yKTsKIAorc3RhdGljIGJvb2wgaWdub3JlX2VkaWRfYXVkaW8g PSBmYWxzZTsKK21vZHVsZV9wYXJhbShpZ25vcmVfZWRpZF9hdWRpbywgYm9vbCwgMDY0NCk7CitN T0RVTEVfUEFSTV9ERVNDKGlnbm9yZV9lZGlkX2F1ZGlvLAorCQkgIklnbm9yZSB0aGUgRURJRCBh bmQgYWx3YXlzIGNvbnNpZGVyIHRoYXQgYSBtb25pdG9yIGRvZXNuJ3QgaGF2ZSBhdWRpbyBjYXBh YmlsaXRpZXMiKTsKKwogLyoqCiAgKiBkcm1fZGV0ZWN0X21vbml0b3JfYXVkaW8gLSBjaGVjayBt b25pdG9yIGF1ZGlvIGNhcGFiaWxpdHkKICAqIEBlZGlkOiBFRElEIGJsb2NrIHRvIHNjYW4KQEAg LTQyMDksNiArNDIxNCw5IEBAIGJvb2wgZHJtX2RldGVjdF9tb25pdG9yX2F1ZGlvKHN0cnVjdCBl ZGlkICplZGlkKQogCWJvb2wgaGFzX2F1ZGlvID0gZmFsc2U7CiAJaW50IHN0YXJ0X29mZnNldCwg ZW5kX29mZnNldDsKIAorCWlmIChpZ25vcmVfZWRpZF9hdWRpbykKKwkJZ290byBlbmQ7CisKIAll ZGlkX2V4dCA9IGRybV9maW5kX2NlYV9leHRlbnNpb24oZWRpZCk7CiAJaWYgKCFlZGlkX2V4dCkK IAkJZ290byBlbmQ7Ci0tIApnaXQtc2VyaWVzIDAuOS4xCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVs QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWls bWFuL2xpc3RpbmZvL2RyaS1kZXZlbA==