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References: <20220529180428.2577832-1-robdclark@gmail.com>
In-Reply-To: <20220529180428.2577832-1-robdclark@gmail.com>
From:   Chia-I Wu <olvaffe@gmail.com>
Date:   Sat, 11 Jun 2022 21:02:59 -0700
Message-ID: <CAPaKu7QDoZiPRDAptk7+cfv3Da+oXU7f0f4m6LQiwfzd=x=TuA@mail.gmail.com>
Subject: Re: [PATCH v2] drm/msm/adreno: Allow larger address space size
To:     Rob Clark <robdclark@gmail.com>
Cc:     ML dri-devel <dri-devel@lists.freedesktop.org>,
        freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org,
        Connor Abbott <cwabbott0@gmail.com>,
        Jonathan Marek <jonathan@marek.ca>,
        Rob Clark <robdclark@chromium.org>,
        Abhinav Kumar <quic_abhinavk@quicinc.com>,
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        Sean Paul <sean@poorly.run>, David Airlie <airlied@linux.ie>,
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        Akhil P Oommen <quic_akhilpo@quicinc.com>,
        Jordan Crouse <jordan@cosmicpenguin.net>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
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On Sun, May 29, 2022 at 11:04 AM Rob Clark <robdclark@gmail.com> wrote:
>
> From: Rob Clark <robdclark@chromium.org>
>
> The restriction to 4G was strictly to work around 64b math bug in some
> versions of SQE firmware.  This appears to be fixed in a650+ SQE fw, so
> allow a larger address space size on these devices.
>
> Also, add a modparam override for debugging and igt.
>
> v2: Send the right version of the patch (ie. the one that actually
>     compiles)
>
> Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>