6.11-stable review patch. If anyone has any objections, please let me know.
------------------
From: Vijendar Mukunda Vijendar.Mukunda@amd.com
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@amd.com Signed-off-by: Vijendar Mukunda Vijendar.Mukunda@amd.com Signed-off-by: Mario Limonciello mario.limonciello@amd.com Acked-by: Alex Deucher alexander.deucher@amd.com Link: https://lore.kernel.org/r/20241112161142.28974-1-mario.limonciello@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com (cherry picked from commit 447a54a0f79c9a409ceaa17804bdd2e0206397b9) Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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,