linux-kernel - Re: [PATCH 1/3] ACPI: video: use native backlight for GA401/GA502/GA503

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Date:   Wed, 21 Apr 2021 18:55:50 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     "Luke D. Jones" <luke@...nes.dev>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] ACPI: video: use native backlight for GA401/GA502/GA503

On Mon, Apr 19, 2021 at 9:39 AM Luke D. Jones <luke@...nes.dev> wrote:
>
> From: Luke D Jones <luke@...nes.dev>
>
> Force backlight control in these models to use the native interface
> at /sys/class/backlight/amdgpu_bl0.
>
> Signed-off-by: Luke D. Jones <luke@...nes.dev>
> ---
>  drivers/acpi/video_detect.c | 24 ++++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
>
> diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
> index 811d298637cb..bae08bd98817 100644
> --- a/drivers/acpi/video_detect.c
> +++ b/drivers/acpi/video_detect.c
> @@ -384,6 +384,30 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
>                 DMI_MATCH(DMI_BOARD_NAME, "BA51_MV"),
>                 },
>         },
> +       {
> +       .callback = video_detect_force_native,
> +       .ident = "ASUSTeK COMPUTER INC. GA401",
> +       .matches = {
> +               DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
> +               DMI_MATCH(DMI_PRODUCT_NAME, "GA401"),
> +               },
> +       },
> +       {
> +       .callback = video_detect_force_native,
> +       .ident = "ASUSTeK COMPUTER INC. GA502",
> +       .matches = {
> +               DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
> +               DMI_MATCH(DMI_PRODUCT_NAME, "GA502"),
> +               },
> +       },
> +       {
> +       .callback = video_detect_force_native,
> +       .ident = "ASUSTeK COMPUTER INC. GA503",
> +       .matches = {
> +               DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
> +               DMI_MATCH(DMI_PRODUCT_NAME, "GA503"),
> +               },
> +       },
>
>         /*
>          * Desktops which falsely report a backlight and which our heuristics
> --

Applied as 5.13 material, thanks!