diff options
| author | Mario Limonciello | 2023-04-10 00:23:41 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2023-05-11 23:03:14 +0900 |
| commit | d1dbf5b7ea45d6fced54f0747e58c0bf6166545e (patch) | |
| tree | a8fa22949ac50224b1340715b08aeb6a4948a2a9 | |
| parent | 1c1798c45b40106c338de4730b59cf506af6a7fc (diff) | |
platform/x86/amd: pmc: Don't try to read SMU version on Picasso
[ Upstream commit b845772677ea19b8e4c032bc07393ef32de4ee39 ]
Picasso doesn't support the command in the uPEP mailbox to try to
read the SMU version.
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2449
Fixes: f6045de1f532 ("platform/x86: amd-pmc: Export Idlemask values based on the APU")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20230409185348.556161-2-Shyam-sundar.S-k@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/platform/x86/amd/pmc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/platform/x86/amd/pmc.c b/drivers/platform/x86/amd/pmc.c index be1b49824edb..5ff284b6c3eb 100644 --- a/drivers/platform/x86/amd/pmc.c +++ b/drivers/platform/x86/amd/pmc.c @@ -373,6 +373,9 @@ static int amd_pmc_get_smu_version(struct amd_pmc_dev *dev) int rc; u32 val; + if (dev->cpu_id == AMD_CPU_ID_PCO) + return -ENODEV; + rc = amd_pmc_send_cmd(dev, 0, &val, SMU_MSG_GETSMUVERSION, 1); if (rc) return rc; |