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Message-ID: <Y1DTFiP12ws04eOM@sol.localdomain>
Date:   Wed, 19 Oct 2022 21:48:22 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Hamza Mahfooz <hamza.mahfooz@....com>,
        Alex Deucher <alexander.deucher@....com>,
        christian.koenig@....com, Xinhui.Pan@....com, airlied@...ux.ie,
        daniel@...ll.ch, guchun.chen@....com, aurabindo.pillai@....com,
        evan.quan@....com, seanpaul@...omium.org, contact@...rsion.fr,
        greenfoo@....eu, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH AUTOSEL 5.19 07/16] drm/amdgpu: use dirty framebuffer
 helper

On Wed, Sep 21, 2022 at 11:53:23AM -0400, Sasha Levin wrote:
> From: Hamza Mahfooz <hamza.mahfooz@....com>
> 
> [ Upstream commit 66f99628eb24409cb8feb5061f78283c8b65f820 ]
> 
> Currently, we aren't handling DRM_IOCTL_MODE_DIRTYFB. So, use
> drm_atomic_helper_dirtyfb() as the dirty callback in the amdgpu_fb_funcs
> struct.
> 
> Signed-off-by: Hamza Mahfooz <hamza.mahfooz@....com>
> Acked-by: Alex Deucher <alexander.deucher@....com>
> Signed-off-by: Alex Deucher <alexander.deucher@....com>
> Signed-off-by: Sasha Levin <sashal@...nel.org>

I just spent a long time bisecting a hard-to-reproduce regression to this
commit, only to find that a revert was just queued this week.

Why was this commit backported to stable in the first place?  It didn't have Cc
stable, and it didn't claim to be fixing anything.

- Eric

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