From: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx> commit 7013a8268d311fded6c7a6528fc1de82668e75f6 upstream. There is a strapping issue on NBIO 7.7.0 that can lead to spurious PME events while in the D0 state. Co-developed-by: Mario Limonciello <mario.limonciello@xxxxxxx> Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx> Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> Acked-by: Alex Deucher <alexander.deucher@xxxxxxx> Link: https://lore.kernel.org/r/20241112161142.28974-1-mario.limonciello@xxxxxxx Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> (cherry picked from commit 447a54a0f79c9a409ceaa17804bdd2e0206397b9) Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c @@ -247,6 +247,12 @@ static void nbio_v7_7_init_registers(str if (def != data) WREG32_SOC15(NBIO, 0, regBIF0_PCIE_MST_CTRL_3, data); + switch (adev->ip_versions[NBIO_HWIP][0]) { + case IP_VERSION(7, 7, 0): + 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_7_update_medium_grain_clock_gating(struct amdgpu_device *adev, Patches currently in stable-queue which might be from Vijendar.Mukunda@xxxxxxx are queue-6.1/drm-amd-fix-initialization-mistake-for-nbio-7.7.0.patch
