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| author | Mario Limonciello <mario.limonciello@amd.com> | 2023-04-09 21:53:41 +0300 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2023-04-11 11:37:16 +0300 |
| commit | b845772677ea19b8e4c032bc07393ef32de4ee39 (patch) | |
| tree | 0fda14aa06e65f915c1aca787e55a5125ba1acc1 /drivers/platform | |
| parent | aec8298c093f052fc8a86f9411b69b23953b0edb (diff) | |
| download | linux-b845772677ea19b8e4c032bc07393ef32de4ee39.tar.xz | |
platform/x86/amd: pmc: Don't try to read SMU version on Picasso
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>
Diffstat (limited to 'drivers/platform')
| -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 2761e9b76e95..2758c0e63a1c 100644 --- a/drivers/platform/x86/amd/pmc.c +++ b/drivers/platform/x86/amd/pmc.c @@ -403,6 +403,9 @@ 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; |