Re: [PATCH] ACPI: video: force native for Lenovo 82K8

["Rafael J. Wysocki" <rafael@xxxxxxxxxx>]

On Wed, Aug 20, 2025 at 7:09 PM Mario Limonciello (AMD)
<superm1@xxxxxxxxxx> wrote:
>
> Lenovo 82K8 has a broken brightness control provided by nvidia_wmi_ec.
> Add a quirk to prevent using it.
>
> Cc: Daniel Dadap <ddadap@xxxxxxxxxx>
> Cc: Hans de Goede <hansg@xxxxxxxxxx>
> Reported-by: Wilson Alvarez <wilson.e.alvarez@xxxxxxxxxxxx>
> Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4512
> Tested-by: Wilson Alvarez <wilson.e.alvarez@xxxxxxxxxxxx>
> Signed-off-by: Mario Limonciello (AMD) <superm1@xxxxxxxxxx>
> ---
>  drivers/acpi/video_detect.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
> index d507d5e084354..4cf74f173c785 100644
> --- a/drivers/acpi/video_detect.c
> +++ b/drivers/acpi/video_detect.c
> @@ -948,6 +948,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
>                 DMI_MATCH(DMI_PRODUCT_NAME, "Mipad2"),
>                 },
>         },
> +       /* https://gitlab.freedesktop.org/drm/amd/-/issues/4512 */
> +       {
> +        .callback = video_detect_force_native,
> +        .matches = {
> +               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> +               DMI_MATCH(DMI_PRODUCT_NAME, "82K8"),
> +               },
> +       },
>         { },
>  };
>
> --

Applied as 6.18 material, thanks!