This fixes wrong temperature outputs e.g. 511°C if the card is asleep.
Signed-off-by: Tobias Klausmann <tobias.johannes.klausmann@xxxxxxxxxx>
---
drivers/gpu/drm/nouveau/nvkm/subdev/therm/gp100.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gp100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gp100.c
index 9f0dea3f61dc..45d0ec632b5a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gp100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gp100.c
@@ -32,8 +32,10 @@ gp100_temp_get(struct nvkm_therm *therm)
u32 inttemp = (tsensor & 0x0001fff8);
/* device SHADOWed */
- if (tsensor & 0x40000000)
+ if (tsensor & 0x40000000) {
nvkm_trace(subdev, "reading temperature from SHADOWed sensor\n");
+ return -ENODEV;
+ }
/* device valid */
if (tsensor & 0x20000000)
--
2.16.1
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