Hi,
On 7/7/22 20:09, Werner Sembach wrote:
> The TongFang PF5PU1G, PF4NU1F, PF5NU1G, and PF5LUXG/TUXEDO BA15 Gen10,
> Pulse 14/15 Gen1, and Pulse 15 Gen2 have the same problem as the Clevo
> NL5xRU and NL5xNU/TUXEDO Aura 15 Gen1 and Gen2:
> They have a working native and video interface. However the default
> detection mechanism first registers the video interface before
> unregistering it again and switching to the native interface during boot.
> This results in a dangling SBIOS request for backlight change for some
> reason, causing the backlight to switch to ~2% once per boot on the first
> power cord connect or disconnect event. Setting the native interface
> explicitly circumvents this buggy behaviour by avoiding the unregistering
> process.
>
> Signed-off-by: Werner Sembach <wse@xxxxxxxxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
Thanks, the series looks good to me:
Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
for the series.
Regards,
Hans
> ---
> drivers/acpi/video_detect.c | 51 ++++++++++++++++++++++++++++++++++++-
> 1 file changed, 50 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
> index becc198e4c22..cdde2e069d63 100644
> --- a/drivers/acpi/video_detect.c
> +++ b/drivers/acpi/video_detect.c
> @@ -490,7 +490,56 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
> DMI_MATCH(DMI_BOARD_NAME, "NL5xNU"),
> },
> },
> -
> + /*
> + * The TongFang PF5PU1G, PF4NU1F, PF5NU1G, and PF5LUXG/TUXEDO BA15 Gen10,
> + * Pulse 14/15 Gen1, and Pulse 15 Gen2 have the same problem as the Clevo
> + * NL5xRU and NL5xNU/TUXEDO Aura 15 Gen1 and Gen2. See the description
> + * above.
> + */
> + {
> + .callback = video_detect_force_native,
> + .ident = "TongFang PF5PU1G",
> + .matches = {
> + DMI_MATCH(DMI_BOARD_NAME, "PF5PU1G"),
> + },
> + },
> + {
> + .callback = video_detect_force_native,
> + .ident = "TongFang PF4NU1F",
> + .matches = {
> + DMI_MATCH(DMI_BOARD_NAME, "PF4NU1F"),
> + },
> + },
> + {
> + .callback = video_detect_force_native,
> + .ident = "TongFang PF4NU1F",
> + .matches = {
> + DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
> + DMI_MATCH(DMI_BOARD_NAME, "PULSE1401"),
> + },
> + },
> + {
> + .callback = video_detect_force_native,
> + .ident = "TongFang PF5NU1G",
> + .matches = {
> + DMI_MATCH(DMI_BOARD_NAME, "PF5NU1G"),
> + },
> + },
> + {
> + .callback = video_detect_force_native,
> + .ident = "TongFang PF5NU1G",
> + .matches = {
> + DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
> + DMI_MATCH(DMI_BOARD_NAME, "PULSE1501"),
> + },
> + },
> + {
> + .callback = video_detect_force_native,
> + .ident = "TongFang PF5LUXG",
> + .matches = {
> + DMI_MATCH(DMI_BOARD_NAME, "PF5LUXG"),
> + },
> + },
> /*
> * Desktops which falsely report a backlight and which our heuristics
> * for this do not catch.
