this one is mainly used on Tesla and somtimes on Fermi GPUs
untested, wrote according to documentation
Signed-off-by: Mark Menzynski <mmenzyns@xxxxxxxxxx>
---
drm/nouveau/include/nvkm/subdev/bios/gpio.h | 1 +
drm/nouveau/nvkm/subdev/gpio/base.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/drm/nouveau/include/nvkm/subdev/bios/gpio.h b/drm/nouveau/include/nvkm/subdev/bios/gpio.h
index fc2b5fb0..784c5f22 100644
--- a/drm/nouveau/include/nvkm/subdev/bios/gpio.h
+++ b/drm/nouveau/include/nvkm/subdev/bios/gpio.h
@@ -8,6 +8,7 @@ enum dcb_gpio_func_name {
DCB_GPIO_THERM_EXT_POWER_EVENT = 0x10,
DCB_GPIO_TVDAC1 = 0x2d,
DCB_GPIO_FAN_SENSE = 0x3d,
+ DCB_GPIO_POWER_ALERT = 0x4c,
DCB_GPIO_EXT_POWER_LOW = 0x79,
DCB_GPIO_LOGO_LED_PWM = 0x84,
DCB_GPIO_UNUSED = 0xff,
diff --git a/drm/nouveau/nvkm/subdev/gpio/base.c b/drm/nouveau/nvkm/subdev/gpio/base.c
index 0c886543..755f016f 100644
--- a/drm/nouveau/nvkm/subdev/gpio/base.c
+++ b/drm/nouveau/nvkm/subdev/gpio/base.c
@@ -184,6 +184,7 @@ static const struct dmi_system_id gpio_reset_ids[] = {
static enum dcb_gpio_func_name power_checks[] = {
DCB_GPIO_THERM_EXT_POWER_EVENT,
+ DCB_GPIO_POWER_ALERT,
DCB_GPIO_EXT_POWER_LOW,
};
--
2.21.0
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