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From: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
To: Frank Wunderlich <frank-w@public-files.de>
Cc: David Airlie <airlied@linux.ie>,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	linux-mediatek@lists.infradead.org,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Frank Wunderlich <linux@fw-web.de>,
	linux-arm-kernel@lists.infradead.org,
	Enric Balletbo i Serra <enric.balletbo@collabora.com>,
	Collabora Kernel ML <kernel@collabora.com>
Subject: Re: Aw: Re: [PATCH] soc: mediatek: mmsys: fix HDMI output on mt7623/bananapi-r2
Date: Mon, 12 Jul 2021 19:32:36 +0200	[thread overview]
Message-ID: <dbe23d2a-cd29-0782-1b7d-bcb5c6683607@collabora.com> (raw)
In-Reply-To: <trinity-02bc17fc-b458-4d17-baca-8afe30e4c92c-1626110171249@3c-app-gmx-bs28>

Hi,

On 12.07.21 19:16, Frank Wunderlich wrote:
> Hi,
> 
> it turns out that problem is the read+or of the new value
> 
> i reverted my patch and changed
> 
> reg = readl_relaxed(mmsys->regs + routes[i].addr) | routes[i].val;
> writel_relaxed(reg, mmsys->regs + routes[i].addr);
> 
> to
> 
> writel_relaxed(routes[i].val, mmsys->regs + routes[i].addr);
> 
> and it works too, but maybe it breaks other platforms

Interesting, I can test if it fix that similar bug on mt8173 when resume from suspend.

Thanks,
Dafna

> 
> regards Frank
> 

  reply	other threads:[~2021-07-12 17:32 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-10 13:24 Frank Wunderlich
2021-07-12 11:50 ` Dafna Hirschfeld
2021-07-12 12:35   ` Aw: " Frank Wunderlich
2021-07-12 17:16   ` Frank Wunderlich
2021-07-12 17:32     ` Dafna Hirschfeld [this message]
2021-07-24 17:06       ` Frank Wunderlich
2021-07-26  0:27         ` Chun-Kuang Hu
2021-07-26 10:33           ` Aw: " Frank Wunderlich

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