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superm1rafaeljw
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ACPI: video: force native for Lenovo 82K8
Lenovo 82K8 has a broken brightness control provided by nvidia_wmi_ec. Add a quirk to prevent using it. Reported-by: Wilson Alvarez <wilson.e.alvarez@rubonnek.com> Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4512 Tested-by: Wilson Alvarez <wilson.e.alvarez@rubonnek.com> Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org> Link: https://patch.msgid.link/20250820170927.895573-1-superm1@kernel.org Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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drivers/acpi/video_detect.c

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@@ -948,6 +948,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
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DMI_MATCH(DMI_PRODUCT_NAME, "Mipad2"),
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},
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},
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/* https://gitlab.freedesktop.org/drm/amd/-/issues/4512 */
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{
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.callback = video_detect_force_native,
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
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DMI_MATCH(DMI_PRODUCT_NAME, "82K8"),
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},
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},
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{ },
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};
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