6.12-stable review patch. If anyone has any objections, please let me know.
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From: Mario Limonciello mario.limonciello@amd.com
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@vger.kernel.org Reviewed-by: Alex Deucher alexander.deucher@amd.com Link: https://lore.kernel.org/r/20241118174611.10700-2-mario.limonciello@amd.com Signed-off-by: Mario Limonciello mario.limonciello@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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,