From mboxrd@z Thu Jan 1 00:00:00 1970 From: greg@kroah.com (Greg KH) Date: Thu, 19 Apr 2018 10:27:51 +0200 Subject: [PATCH] drm: bridge: dw-hdmi: Fix overflow workaround for Amlogic Meson GX SoCs In-Reply-To: <3b17d17b-cf3d-be54-2462-191e4f2af653@baylibre.com> References: <1519386277-25902-1-git-send-email-narmstrong@baylibre.com> <3b17d17b-cf3d-be54-2462-191e4f2af653@baylibre.com> Message-ID: <20180419082751.GA23187@kroah.com> To: linus-amlogic@lists.infradead.org List-Id: linus-amlogic.lists.infradead.org On Thu, Apr 19, 2018 at 10:18:35AM +0200, Neil Armstrong wrote: > Hi Greg, > > On 23/02/2018 12:44, Neil Armstrong wrote: > > The Amlogic Meson GX SoCs, embedded the v2.01a controller, has been also > > identified needing this workaround. > > This patch adds the corresponding version to enable a single iteration for > > this specific version. > > > > Fixes: be41fc55f1aa ("drm: bridge: dw-hdmi: Handle overflow workaround based on device version") > > Signed-off-by: Neil Armstrong > > This patch is now present in linux master as commit 9c305eb442f3b371fc722ade827bbf673514123e > Could it be selected for 4.14 ? > The patch has been reworked to apply for 4.17 as indicated in the commit log, but the original patch will apply over 4.14. I don't have any "original" patch here, I just tried applying it to 4.16.y and 4.14.y and it did not work. Can you please provide a working backport? thanks, greg k-h From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Subject: Re: [PATCH] drm: bridge: dw-hdmi: Fix overflow workaround for Amlogic Meson GX SoCs Date: Thu, 19 Apr 2018 10:27:51 +0200 Message-ID: <20180419082751.GA23187@kroah.com> References: <1519386277-25902-1-git-send-email-narmstrong@baylibre.com> <3b17d17b-cf3d-be54-2462-191e4f2af653@baylibre.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0095D6E4D7 for ; Thu, 19 Apr 2018 08:27:56 +0000 (UTC) Content-Disposition: inline In-Reply-To: <3b17d17b-cf3d-be54-2462-191e4f2af653@baylibre.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Neil Armstrong Cc: "open list:ARM/Amlogic Meson..." , dri-devel@lists.freedesktop.org, stable@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org T24gVGh1LCBBcHIgMTksIDIwMTggYXQgMTA6MTg6MzVBTSArMDIwMCwgTmVpbCBBcm1zdHJvbmcg d3JvdGU6Cj4gSGkgR3JlZywKPiAKPiBPbiAyMy8wMi8yMDE4IDEyOjQ0LCBOZWlsIEFybXN0cm9u ZyB3cm90ZToKPiA+IFRoZSBBbWxvZ2ljIE1lc29uIEdYIFNvQ3MsIGVtYmVkZGVkIHRoZSB2Mi4w MWEgY29udHJvbGxlciwgaGFzIGJlZW4gYWxzbwo+ID4gaWRlbnRpZmllZCBuZWVkaW5nIHRoaXMg d29ya2Fyb3VuZC4KPiA+IFRoaXMgcGF0Y2ggYWRkcyB0aGUgY29ycmVzcG9uZGluZyB2ZXJzaW9u IHRvIGVuYWJsZSBhIHNpbmdsZSBpdGVyYXRpb24gZm9yCj4gPiB0aGlzIHNwZWNpZmljIHZlcnNp b24uCj4gPiAKPiA+IEZpeGVzOiBiZTQxZmM1NWYxYWEgKCJkcm06IGJyaWRnZTogZHctaGRtaTog SGFuZGxlIG92ZXJmbG93IHdvcmthcm91bmQgYmFzZWQgb24gZGV2aWNlIHZlcnNpb24iKQo+ID4g U2lnbmVkLW9mZi1ieTogTmVpbCBBcm1zdHJvbmcgPG5hcm1zdHJvbmdAYmF5bGlicmUuY29tPgo+ IAo+IFRoaXMgcGF0Y2ggaXMgbm93IHByZXNlbnQgaW4gbGludXggbWFzdGVyIGFzIGNvbW1pdCA5 YzMwNWViNDQyZjNiMzcxZmM3MjJhZGU4MjdiYmY2NzM1MTQxMjNlCj4gQ291bGQgaXQgYmUgc2Vs ZWN0ZWQgZm9yIDQuMTQgPwo+IFRoZSBwYXRjaCBoYXMgYmVlbiByZXdvcmtlZCB0byBhcHBseSBm b3IgNC4xNyBhcyBpbmRpY2F0ZWQgaW4gdGhlIGNvbW1pdCBsb2csIGJ1dCB0aGUgb3JpZ2luYWwg cGF0Y2ggd2lsbCBhcHBseSBvdmVyIDQuMTQuCgpJIGRvbid0IGhhdmUgYW55ICJvcmlnaW5hbCIg cGF0Y2ggaGVyZSwgSSBqdXN0IHRyaWVkIGFwcGx5aW5nIGl0IHRvCjQuMTYueSBhbmQgNC4xNC55 IGFuZCBpdCBkaWQgbm90IHdvcmsuICBDYW4geW91IHBsZWFzZSBwcm92aWRlIGEgd29ya2luZwpi YWNrcG9ydD8KCnRoYW5rcywKCmdyZWcgay1oCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2RyaS1kZXZlbAo= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-2641146-1524126479-2-10216172646677393010 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: yes ("Address greg@kroah.com in From header is in addressbook"); in-addressbook; shared/fdfaecbe-d8f0-4518-a17e-0d89bf6dc529 ("Greg") X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, MAILING_LIST_MULTI -1, RCVD_IN_DNSWL_HI -5, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='com', MailFrom='org' X-Spam-charsets: plain='us-ascii' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=fm2; t= 1524126479; b=c5VkMKCZLAIc9dIdaGsZRVyCf+fzI+1YN87b5pXGgmr6MDRo6P Lk6PN//pPTnMozdxlmCuIePA9j3IUi1DpgvqNMHPuc3zO0cRDgiQxlJ4IZDQxER2 G4+X8yaiS3hFqn9Yq8dQ1sBQnqTjFBAd4DMSiMYVGHWvI+yBQ6EZE1kR6bQNfsDA yIVpA9kECDSP8w7dwMsBjopnl4zYtLK5ia/JtOKZsysCpdhIcZPGVuGx/XT0yHcP 0En8b+nQg8VG2nKWQl3u6ZTxNsM8jwCn9bGAXYBR2vg2hnRIB6SjgaSF1Ly0/qRE XuBVwiiPtNZHOWcfqwR1aLys6rFBoY9+HP6w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to:sender :list-id; s=fm2; t=1524126479; bh=5y97gi7jVBmCyMx6m04DZPAQcUDUod jy4TBjKLOaQB0=; b=i2ujEaTVO0aTIlEcBXezT4eTjqO/jG69AiNAahsGsaCWiv KthTdpsT+itfeyDSwEu/pTVFQ6WRgu+OzZOdU5+rgC2XuXLMkOydPHnNacqb3HaM PKG2+Bz+DV7tWECkjboWmJig5Wk+DFEIcGjNhcHUaOQKrzxoBl3LXS18mz5qiklw Ux1Pw1UuftoK5iQqedaw3nHfH5pKM8hfzh0x4quUw1rVOX/xja8LVwKnwVdp029B eUujTCCw1rH3LEFae2vA32R15xnsJFw8caSwjVmNIicLuO56ulrQHjBeMz2YXave auUmbTzka8/zn+XhYjDFL3KbLLSmjoouApZBCfTg== ARC-Authentication-Results: i=1; mx6.messagingengine.com; arc=none (no signatures found); dkim=pass (2048-bit rsa key sha256) header.d=messagingengine.com header.i=@messagingengine.com header.b=l4cRs5Ov x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=fm2; dmarc=none (p=none,has-list-id=yes,d=none) header.from=kroah.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=kroah.com header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 Authentication-Results: mx6.messagingengine.com; arc=none (no signatures found); dkim=pass (2048-bit rsa key sha256) header.d=messagingengine.com header.i=@messagingengine.com header.b=l4cRs5Ov x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=fm2; dmarc=none (p=none,has-list-id=yes,d=none) header.from=kroah.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=kroah.com header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfGkCwMaKsJWEbe7+ex4hh/8MWZudr1opYSyeR04dawmtoWveU1uEmeHXkDwHO0aMOmJuNYgN8+xtSX0kVQl8ny+mp5JKQm58di9XnTclKVBbc9KKCM2A 3ETjw0IuPt49TDWiJjsoPZmGMOjmTXl+xTbjlZMGB5dx9jjFAZbZ/TuFFzXW6MSm+Q3Q2G1sFYZfB/RJYaQAnS8ordFOnkNeGxtuLJAkDepCYXeRQtvTQmFQ X-CM-Analysis: v=2.3 cv=FKU1Odgs c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=kj9zAlcOel0A:10 a=Kd1tUaAdevIA:10 a=IpJZQVW2AAAA:8 a=dhcyZseQW1gdStzgT5AA:9 a=CjuIK1q_8ugA:10 a=IawgGOuG5U0WyFbmm1f5:22 X-ME-CMScore: 0 X-ME-CMCategory: none Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751474AbeDSI15 (ORCPT ); Thu, 19 Apr 2018 04:27:57 -0400 Received: from out3-smtp.messagingengine.com ([66.111.4.27]:33137 "EHLO out3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751046AbeDSI14 (ORCPT ); Thu, 19 Apr 2018 04:27:56 -0400 X-ME-Sender: Date: Thu, 19 Apr 2018 10:27:51 +0200 From: Greg KH To: Neil Armstrong Cc: stable@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, "open list:ARM/Amlogic Meson..." Subject: Re: [PATCH] drm: bridge: dw-hdmi: Fix overflow workaround for Amlogic Meson GX SoCs Message-ID: <20180419082751.GA23187@kroah.com> References: <1519386277-25902-1-git-send-email-narmstrong@baylibre.com> <3b17d17b-cf3d-be54-2462-191e4f2af653@baylibre.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3b17d17b-cf3d-be54-2462-191e4f2af653@baylibre.com> User-Agent: Mutt/1.9.5 (2018-04-13) Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Thu, Apr 19, 2018 at 10:18:35AM +0200, Neil Armstrong wrote: > Hi Greg, > > On 23/02/2018 12:44, Neil Armstrong wrote: > > The Amlogic Meson GX SoCs, embedded the v2.01a controller, has been also > > identified needing this workaround. > > This patch adds the corresponding version to enable a single iteration for > > this specific version. > > > > Fixes: be41fc55f1aa ("drm: bridge: dw-hdmi: Handle overflow workaround based on device version") > > Signed-off-by: Neil Armstrong > > This patch is now present in linux master as commit 9c305eb442f3b371fc722ade827bbf673514123e > Could it be selected for 4.14 ? > The patch has been reworked to apply for 4.17 as indicated in the commit log, but the original patch will apply over 4.14. I don't have any "original" patch here, I just tried applying it to 4.16.y and 4.14.y and it did not work. Can you please provide a working backport? thanks, greg k-h