linux-kernel - Re: [PATCH v3] drm/gma500: depend on framebuffer

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Message-ID: <CAMeQTsanEow=zq=MuZLjMqpzybdS=5S0=JrkxuCdT7d5MxpEWQ@mail.gmail.com>
Date:   Sun, 10 Apr 2022 21:36:35 +0200
From:   Patrik Jakobsson <patrik.r.jakobsson@...il.com>
To:     James Hilliard <james.hilliard1@...il.com>
Cc:     dri-devel <dri-devel@...ts.freedesktop.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] drm/gma500: depend on framebuffer

On Sat, Apr 9, 2022 at 6:23 AM James Hilliard <james.hilliard1@...il.com> wrote:
>
> Select the efi framebuffer if efi is enabled.
>
> This appears to be needed for video output to function correctly.
>
> Signed-off-by: James Hilliard <james.hilliard1@...il.com>

Hi James,
EFI_FB is its own driver and not needed by gma500 to drive its
hardware. What makes you think it's required?

-Patrik

> ---
> Changes v2 -> v3:
>   - select EFI_FB instead of depending on it
> Changes v1 -> v2:
>   - use depends instead of select
> ---
>  drivers/gpu/drm/gma500/Kconfig | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/gma500/Kconfig b/drivers/gpu/drm/gma500/Kconfig
> index 0cff20265f97..a422fa84d53b 100644
> --- a/drivers/gpu/drm/gma500/Kconfig
> +++ b/drivers/gpu/drm/gma500/Kconfig
> @@ -2,11 +2,13 @@
>  config DRM_GMA500
>         tristate "Intel GMA500/600/3600/3650 KMS Framebuffer"
>         depends on DRM && PCI && X86 && MMU
> +       depends on FB
>         select DRM_KMS_HELPER
>         # GMA500 depends on ACPI_VIDEO when ACPI is enabled, just like i915
>         select ACPI_VIDEO if ACPI
>         select BACKLIGHT_CLASS_DEVICE if ACPI
>         select INPUT if ACPI
> +       select FB_EFI if EFI
>         help
>           Say yes for an experimental 2D KMS framebuffer driver for the
>           Intel GMA500 (Poulsbo), Intel GMA600 (Moorestown/Oak Trail) and
> --
> 2.25.1
>