From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CD4301514DA for ; Tue, 10 Sep 2024 07:50:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725954620; cv=none; b=mQ9rlmsmFHHBqzJkpBPi5uVO+EuvbKsLf4UrLkmwhzUmrSNO8xuc8KWJLsrYneyg/PxEN2NU46a/2Woov9B9VfIeqHAtUvoWuDC06E9sHYQYlh/4mOnyFM3Hw53JfrxiJdbnaJqfA8uz7IiWu8XtS/PSqGTcXbAfQhnYyqo5iIs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725954620; c=relaxed/simple; bh=Te5i/tPo5k3QCrIs3A3Zb8hXiH+hY3iSuYO4RfgHySI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=g8Oci4dDOWPoXOOpXzT8CwUkoe48uBIos3YKdKN1kniwrNdvmxJ6cO3/PvcPdFatPGqR3LmcI6MfByvTdO/vB5Ucw181BI1c91W3KF3ZusgO+bYIgVG/dDUqBgSY86qKJJ8h7vg0eIHHtFYfre9gdygx4eDtLZ/P3qjaplMBJb8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=0uGS7AR4; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="0uGS7AR4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E7B3AC4CEC3; Tue, 10 Sep 2024 07:50:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1725954620; bh=Te5i/tPo5k3QCrIs3A3Zb8hXiH+hY3iSuYO4RfgHySI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=0uGS7AR4c0o0WjJY2SKkGKScuI+t/0mBUJsEcjwjLxO5qrIKWDxm5WWvGnUsZtVT/ PWZjrqCsyZ3sb/YNOCzJGdxeUKY19QAWYB4eIN/d40+fsJExzxuMXeRHOvFDd+aR74 Ho8zZAFkX7v5bgGYvzjESbOPuZUcL8szxylwnVSI= Date: Tue, 10 Sep 2024 09:50:17 +0200 From: Greg KH To: Jouni =?iso-8859-1?Q?H=F6gander?= Cc: stable@vger.kernel.org, Ville =?iso-8859-1?Q?Syrj=E4l=E4?= , Jani Nikula , Joonas Lahtinen Subject: Re: [PATCH 6.10.y 2/2] drm/i915/display: Increase Fast Wake Sync length as a quirk Message-ID: <2024091008-gong-traverse-9386@gregkh> References: <2024090806-marbles-stegosaur-6314@gregkh> <20240909085918.3239275-1-jouni.hogander@intel.com> <20240909085918.3239275-2-jouni.hogander@intel.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20240909085918.3239275-2-jouni.hogander@intel.com> On Mon, Sep 09, 2024 at 11:59:18AM +0300, Jouni Högander wrote: > In commit "drm/i915/display: Increase number of fast wake precharge pulses" > we were increasing Fast Wake sync pulse length to fix problems observed on > Dell Precision 5490 laptop with AUO panel. Later we have observed this is > causing problems on other panels. > > Fix these problems by increasing Fast Wake sync pulse length as a quirk > applied for Dell Precision 5490 with problematic panel. > > Fixes: f77772866385 ("drm/i915/display: Increase number of fast wake precharge pulses") > Cc: Ville Syrjälä > Closes: http://gitlab.freedesktop.org/drm/i915/kernel/-/issues/9739 > Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/2246 > Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11762 > Signed-off-by: Jouni Högander > Reviewed-by: Jani Nikula > Cc: # v6.10+ > Link: https://patchwork.freedesktop.org/patch/msgid/20240902064241.1020965-3-jouni.hogander@intel.com > (cherry picked from commit fcba2ed66b39252210f4e739722ebcc5398c2197) > Requires: 43cf50eb1408 ("drm/i915/display: Add mechanism to use sink model when applying quirk") > Signed-off-by: Joonas Lahtinen > (cherry picked from commit a13494de53258d8cf82ed3bcd69176bbf7f2640e) > --- > drivers/gpu/drm/i915/display/intel_dp_aux.c | 16 +++++++++++----- > drivers/gpu/drm/i915/display/intel_dp_aux.h | 2 +- > drivers/gpu/drm/i915/display/intel_psr.c | 2 +- > drivers/gpu/drm/i915/display/intel_quirks.c | 19 ++++++++++++++++++- > drivers/gpu/drm/i915/display/intel_quirks.h | 1 + > 5 files changed, 32 insertions(+), 8 deletions(-) BOth now queued up, thanks. greg k-h