Using ENODEV as this prevents probe failed errors in dmesg.
Signed-off-by: Karol Herbst <kherbst@xxxxxxxxxx>
---
drm/nouveau/nvkm/engine/device/base.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/drm/nouveau/nvkm/engine/device/base.c b/drm/nouveau/nvkm/engine/device/base.c
index 06aa99d47..77633ecda 100644
--- a/drm/nouveau/nvkm/engine/device/base.c
+++ b/drm/nouveau/nvkm/engine/device/base.c
@@ -2948,7 +2948,7 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
{
struct nvkm_subdev *subdev;
u64 mmio_base, mmio_size;
- u32 boot0, strap;
+ u32 boot0, boot1, strap;
void __iomem *map;
int ret = -EEXIST, i;
unsigned chipset;
@@ -2993,8 +2993,19 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
}
}
- /* read boot0 and strapping information */
+ /* vGPU detection */
boot0 = ioread32_native(map + 0x000000);
+ boot1 = ioread32_native(map + 0x000004);
+ chipset = (boot0 & 0x1ff00000) >> 20;
+
+ if (chipset >= 0x160 && (boot1 & 0x00030000)) {
+ iounmap(map);
+ nvdev_info(device, "vGPUs are not supported\n");
+ ret = -ENODEV;
+ goto done;
+ }
+
+ /* read strapping information */
strap = ioread32_native(map + 0x101000);
iounmap(map);
--
2.25.2
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