linux-kernel - Re: [PATCH 2/2] arm64: dts: rockchip: remove supports-cqe from rk3588 tiger

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Message-ID: <f4ef19f1-d1e6-4f06-a81d-c7e7e10605e6@cherry.de>
Date: Wed, 19 Feb 2025 17:07:04 +0100
From: Quentin Schulz <quentin.schulz@...rry.de>
To: Heiko Stuebner <heiko@...ech.de>
Cc: linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 linux-kernel@...r.kernel.org, lukasz.czechowski@...umatec.com,
 Heiko Stuebner <heiko.stuebner@...rry.de>
Subject: Re: [PATCH 2/2] arm64: dts: rockchip: remove supports-cqe from rk3588
 tiger

Hi Heiko,

On 2/19/25 10:33 AM, Heiko Stuebner wrote:
> From: Heiko Stuebner <heiko.stuebner@...rry.de>
> 
> The sdhci controller supports cqe it seems and necessary code also is in
> place - in theory.
> 
> At this point Jaguar and Tiger are the only boards enabling cqe support
> on the rk3588 and we are seeing reliability issues under load.
> 
> This can be caused by either a controller-, hw- or driver-issue and
> definitly needs more investigation to work properly it seems.
> 
> So disable cqe support on Tiger for now.
> 
> Fixes: 6173ef24b35b ("arm64: dts: rockchip: add RK3588-Q7 (Tiger) SoM")
> Signed-off-by: Heiko Stuebner <heiko.stuebner@...rry.de>

Reviewed-by: Quentin Schulz <quentin.schulz@...rry.de>

Thanks!
Quentin