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Date: Tue, 24 Jun 2025 11:04:33 +0100
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Jiri Slaby <jirislaby@kernel.org>
Cc: stable@vger.kernel.org, patches@lists.linux.dev,
	Aric Cyr <aric.cyr@amd.com>, Dillon Varone <dillon.varone@amd.com>,
	Fangzhi Zuo <jerry.zuo@amd.com>,
	Daniel Wheeler <daniel.wheeler@amd.com>,
	Alex Deucher <alexander.deucher@amd.com>,
	Sasha Levin <sashal@kernel.org>
Subject: Re: [PATCH 6.15 293/592] drm/amd/display: Fix VUpdate offset
 calculations for dcn401
Message-ID: <2025062419-persuaded-exponent-9751@gregkh>
References: <20250623130700.210182694@linuxfoundation.org>
 <20250623130707.344185926@linuxfoundation.org>
 <391fce59-2eaf-42ad-80b1-05142ffa9684@kernel.org>
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In-Reply-To: <391fce59-2eaf-42ad-80b1-05142ffa9684@kernel.org>

On Tue, Jun 24, 2025 at 09:25:11AM +0200, Jiri Slaby wrote:
> On 23. 06. 25, 15:04, Greg Kroah-Hartman wrote:
> > 6.15-stable review patch.  If anyone has any objections, please let me know.
> > 
> > ------------------
> > 
> > From: Dillon Varone <dillon.varone@amd.com>
> > 
> > [ Upstream commit fe45e2af4a22e569b35b7f45eb9f040f6fbef94f ]
> > 
> > [WHY&HOW]
> > DCN401 uses a different structure to store the VStartup offset used to
> > calculate the VUpdate position, so adjust the calculations to use this
> > value.
> 
> This one was reverted upstream by:
> commit 0fc9635a801f6ba3a03ad2de6d46f4f3e2fdfed6
> Author: Dillon Varone <Dillon.Varone@amd.com>
> Date:   Fri Mar 28 12:56:39 2025 -0400
> 
>     Revert "drm/amd/display: Fix VUpdate offset calculations for dcn401"
> 
>     This reverts commit fe45e2af4a22e569b35b7f45eb9f040f6fbef94f.
> 
>     Reason for revert: it causes stuttering in some usecases.
> 

Thanks for pointing it out, now applied.

greg k-h