linux-kernel - Re: [PATCH v2 4/5] drm/i915/dsi: Move Crystal Cove PMIC panel GPIO lookup from mfd to the i915 driver

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Date:   Tue, 17 Dec 2019 08:05:09 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Ville Syrjälä 
        <ville.syrjala@...ux.intel.com>,
        intel-gfx <intel-gfx@...ts.freedesktop.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...el.com>
Subject: Re: [PATCH v2 4/5] drm/i915/dsi: Move Crystal Cove PMIC panel GPIO
 lookup from mfd to the i915 driver

On Mon, 16 Dec 2019, Hans de Goede wrote:

> Move the Crystal Cove PMIC panel GPIO lookup-table from
> drivers/mfd/intel_soc_pmic_core.c to the i915 driver.
> 
> The moved looked-up table is adding a GPIO lookup to the i915 PCI
> device and the GPIO subsys allows only one lookup table per device,
> 
> The intel_soc_pmic_core.c code only adds lookup-table entries for the
> PMIC panel GPIO (as it deals only with the PMIC), but we also need to be
> able to access some GPIOs on the SoC itself, which requires entries for
> these GPIOs in the lookup-table.
> 
> Since the lookup-table is attached to the i915 PCI device it really
> should be part of the i915 driver, this will also allow us to extend
> it with GPIOs from other sources when necessary.
> 
> Acked-by: Linus Walleij <linus.walleij@...aro.org>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@...el.com>
> Reviewed-by: Ville Syrjälä <ville.syrjala@...ux.intel.com>
> Signed-off-by: Hans de Goede <hdegoede@...hat.com>
> ---
>  drivers/gpu/drm/i915/display/intel_dsi_vbt.c | 23 +++++++++++++++++++-
>  drivers/mfd/intel_soc_pmic_core.c            | 19 ----------------
>  2 files changed, 22 insertions(+), 20 deletions(-)

Acked-by: Lee Jones <lee.jones@...aro.org>

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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