From: Lauri Tirkkonen <lauri@hacktheplanet.fi>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Mario Limonciello <superm1@kernel.org>,
stable@vger.kernel.org, regressions@lists.linux.dev,
amd-gfx@lists.freedesktop.org, Wayne Lin <wayne.lin@amd.com>,
Alex Deucher <alexander.deucher@amd.com>
Subject: Re: [REGRESSION] [PATCH] drm/amd/display: fix initial backlight brightness calculation
Date: Mon, 21 Jul 2025 09:51:58 +0900 [thread overview]
Message-ID: <aH2PLrFLS0ksT0u1@hacktheplanet.fi> (raw)
In-Reply-To: <2025072012-deluge-arbitrate-9129@gregkh>
On Sun, Jul 20 2025 12:26:48 +0200, Greg Kroah-Hartman wrote:
> On Sun, Jul 20, 2025 at 06:36:54PM +0900, Lauri Tirkkonen wrote:
> > DIV_ROUND_CLOSEST(x, 100) returns either 0 or 1 if 0<x<=100, so the
> > division needs to be performed after the multiplication and not the
> > other way around, to properly scale the value.
> >
> > Fixes: 6c56c8ec6f97 ("drm/amd/display: Fix default DC and AC levels")
>
> This should be a commit id in Linus's tree, NOT in just one stable
> branch.
>
> Also, you forgot to add a cc: stable@vger.kernel.org so that it will be
> picked up by a stable release.
Thank Greg, let me try again. First time sending a patch, so... :)
--
Lauri Tirkkonen | lotheac @ IRCnet
next prev parent reply other threads:[~2025-07-21 8:46 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-18 7:29 [REGRESSION] drm/amd/display: backlight brightness set to 0 at amdgpu initialization Lauri Tirkkonen
2025-07-18 13:10 ` Mario Limonciello
2025-07-18 14:36 ` Lauri Tirkkonen
2025-07-18 17:13 ` Mario Limonciello
2025-07-19 1:03 ` Lauri Tirkkonen
2025-07-19 1:14 ` Mario Limonciello
2025-07-19 2:12 ` Lauri Tirkkonen
2025-07-19 15:25 ` Mario Limonciello
2025-07-19 17:39 ` Mario Limonciello
2025-07-20 9:34 ` Lauri Tirkkonen
2025-07-20 9:36 ` [REGRESSION] [PATCH] drm/amd/display: fix initial backlight brightness calculation Lauri Tirkkonen
2025-07-20 10:26 ` Greg Kroah-Hartman
2025-07-21 0:51 ` Lauri Tirkkonen [this message]
2025-07-20 12:49 ` Mario Limonciello
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