6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mario Limonciello <mario.limonciello@xxxxxxx> commit 349af06a3abd0bb3787ee2daf3ac508412fe8dcc upstream. There is a strapping issue on NBIO 7.11.x that can lead to spurious PME events while in the D0 state. Cc: stable@xxxxxxxxxxxxxxx Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> Link: https://lore.kernel.org/r/20241118174611.10700-2-mario.limonciello@xxxxxxx Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/amdgpu/nbio_v7_11.c | 9 +++++++++ 1 file changed, 9 insertions(+) --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_11.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_11.c @@ -275,6 +275,15 @@ static void nbio_v7_11_init_registers(st if (def != data) WREG32_SOC15(NBIO, 0, regBIF_BIF256_CI256_RC3X4_USB4_PCIE_MST_CTRL_3, data); + switch (adev->ip_versions[NBIO_HWIP][0]) { + case IP_VERSION(7, 11, 0): + case IP_VERSION(7, 11, 1): + case IP_VERSION(7, 11, 2): + case IP_VERSION(7, 11, 3): + data = RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF5_STRAP4) & ~BIT(23); + WREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF5_STRAP4, data); + break; + } } static void nbio_v7_11_update_medium_grain_clock_gating(struct amdgpu_device *adev,
