Added GPIO is "Thermal and External Power Detect". It's uncertain if this
GPIO is set on GPU initialization or only if a change is detected by the
GPU at runtime.
This GPIO can be found in Rankine and Curie and rarely on Tesla GPUs
VBIOS.
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 a70ec9e8..fc2b5fb0 100644
--- a/drm/nouveau/include/nvkm/subdev/bios/gpio.h
+++ b/drm/nouveau/include/nvkm/subdev/bios/gpio.h
@@ -5,6 +5,7 @@ enum dcb_gpio_func_name {
DCB_GPIO_PANEL_POWER = 0x01,
DCB_GPIO_FAN = 0x09,
DCB_GPIO_TVDAC0 = 0x0c,
+ DCB_GPIO_THERM_EXT_POWER_EVENT = 0x10,
DCB_GPIO_TVDAC1 = 0x2d,
DCB_GPIO_FAN_SENSE = 0x3d,
DCB_GPIO_EXT_POWER_LOW = 0x79,
diff --git a/drm/nouveau/nvkm/subdev/gpio/base.c b/drm/nouveau/nvkm/subdev/gpio/base.c
index 72289e2e..cc56637f 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_EXT_POWER_LOW,
};
--
2.21.0
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