linux-kernel - Re: [PATCH RESEND v1] ARM: dts: meson8: remove two invalid interrupt lines from the GPU node

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Message-ID: <7himd7u6fq.fsf@baylibre.com>
Date:   Mon, 24 Aug 2020 13:36:57 -0700
From:   Kevin Hilman <khilman@...libre.com>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        linux-amlogic@...ts.infradead.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Thomas Graichen <thomas.graichen@...il.com>
Subject: Re: [PATCH RESEND v1] ARM: dts: meson8: remove two invalid interrupt lines from the GPU node

Martin Blumenstingl <martin.blumenstingl@...glemail.com> writes:

> The 3.10 vendor kernel defines the following GPU 20 interrupt lines:
>   #define INT_MALI_GP                 AM_IRQ(160)
>   #define INT_MALI_GP_MMU             AM_IRQ(161)
>   #define INT_MALI_PP                 AM_IRQ(162)
>   #define INT_MALI_PMU                AM_IRQ(163)
>   #define INT_MALI_PP0                AM_IRQ(164)
>   #define INT_MALI_PP0_MMU            AM_IRQ(165)
>   #define INT_MALI_PP1                AM_IRQ(166)
>   #define INT_MALI_PP1_MMU            AM_IRQ(167)
>   #define INT_MALI_PP2                AM_IRQ(168)
>   #define INT_MALI_PP2_MMU            AM_IRQ(169)
>   #define INT_MALI_PP3                AM_IRQ(170)
>   #define INT_MALI_PP3_MMU            AM_IRQ(171)
>   #define INT_MALI_PP4                AM_IRQ(172)
>   #define INT_MALI_PP4_MMU            AM_IRQ(173)
>   #define INT_MALI_PP5                AM_IRQ(174)
>   #define INT_MALI_PP5_MMU            AM_IRQ(175)
>   #define INT_MALI_PP6                AM_IRQ(176)
>   #define INT_MALI_PP6_MMU            AM_IRQ(177)
>   #define INT_MALI_PP7                AM_IRQ(178)
>   #define INT_MALI_PP7_MMU            AM_IRQ(179)
>
> However, the driver from the 3.10 vendor kernel does not use the
> following four interrupt lines:
> - INT_MALI_PP3
> - INT_MALI_PP3_MMU
> - INT_MALI_PP7
> - INT_MALI_PP7_MMU
>
> Drop the "pp3" and "ppmmu3" interrupt lines. This is also important
> because there is no matching entry in interrupt-names for it (meaning
> the "pp2" interrupt is actually assigned to the "pp3" interrupt line).
>
> Fixes: 7d3f6b536e72c9 ("ARM: dts: meson8: add the Mali-450 MP6 GPU")
> Reported-by: Thomas Graichen <thomas.graichen@...il.com>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
> ---
> re-send of v1 from [0] because it was never picked up

Oops, sorry this fell through the cracks.  Now Queued for v5.9-rc1.

Kevin