On the Trixie image with 6.1.115-vendor-rk35xx, the rknpu driver seems to fail initializing:
[ 19.651699] RKNPU fdab0000.npu: Adding to iommu group 0
[ 19.653969] RKNPU fdab0000.npu: RKNPU: rknpu iommu is enabled, using iommu mode
[ 19.656222] RKNPU fdab0000.npu: Looking up rknpu-supply from device tree
[ 19.662346] RKNPU fdab0000.npu: Looking up mem-supply from device tree
[ 19.667447] RKNPU fdab0000.npu: can’t request region for resource [mem 0xfdab0000-0xfdabffff]
[ 19.669631] RKNPU fdab0000.npu: can’t request region for resource [mem 0xfdac0000-0xfdacffff]
[ 19.671541] RKNPU fdab0000.npu: can’t request region for resource [mem 0xfdad0000-0xfdadffff]
[ 19.672232] [drm] Initialized rknpu 0.9.8 20240828 for fdab0000.npu on minor 1
[ 19.678986] RKNPU fdab0000.npu: Looking up rknpu-supply from device tree
[ 19.685198] RKNPU fdab0000.npu: RKNPU: bin=0
[ 19.686447] RKNPU fdab0000.npu: leakage=9
[ 19.687499] RKNPU fdab0000.npu: Looking up rknpu-supply from device tree
[ 19.687514] debugfs: Directory ‘fdab0000.npu-rknpu’ with parent ‘vdd_npu_s0’ already present!
[ 19.695969] RKNPU fdab0000.npu: pvtm=916
[ 19.701432] RKNPU fdab0000.npu: pvtm-volt-sel=5
[ 19.702531] RKNPU fdab0000.npu: Looking up rknpu-supply from device tree
[ 19.702549] debugfs: Directory ‘fdab0000.npu-rknpu’ with parent ‘vdd_npu_s0’ already present!
[ 19.704149] RKNPU fdab0000.npu: Looking up mem-supply from device tree
[ 19.705525] RKNPU fdab0000.npu: avs=0
[ 19.706653] RKNPU fdab0000.npu: rockchip_pvtpll_set_volt_sel: error cfg clk_id=6 voltsel (-1)
[ 19.707822] RKNPU fdab0000.npu: l=15000 h=85000 hyst=5000 l_limit=0 h_limit=800000000 h_table=0
The /dev/render* doesn’t appear…