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platform/x86/amd: pmc: Don't dump data after resume from s0i3 on picasso 

This command isn't supported on Picasso, so guard against running it
to avoid errors like `SMU cmd unknown. err: 0xfe` in the logs.

Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2449
Fixes: 7662056749 ("platform/x86: amd-pmc: Add support for logging SMU metrics")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20230409185348.556161-4-Shyam-sundar.S-k@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Mario Limonciello 2023-04-10 00:23:43 +05:30 committed by Hans de Goede
parent 5ec9ee0d46
commit 7abc3618b6
1 changed files with 9 additions and 1 deletions
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10
drivers/platform/x86/amd/pmc.c
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@ -834,6 +834,14 @@ static void amd_pmc_s2idle_check(void)
dev_err(pdev->dev, "error writing to STB: %d\n", rc);
}
static int amd_pmc_dump_data(struct amd_pmc_dev *pdev)
{
if (pdev->cpu_id == AMD_CPU_ID_PCO)
return -ENODEV;
return amd_pmc_send_cmd(pdev, 0, NULL, SMU_MSG_LOG_DUMP_DATA, 0);
}
static void amd_pmc_s2idle_restore(void)
{
struct amd_pmc_dev *pdev = &pmc;
@ -846,7 +854,7 @@ static void amd_pmc_s2idle_restore(void)
dev_err(pdev->dev, "resume failed: %d\n", rc);
/* Let SMU know that we are looking for stats */
amd_pmc_send_cmd(pdev, 0, NULL, SMU_MSG_LOG_DUMP_DATA, 0);
amd_pmc_dump_data(pdev);
rc = amd_pmc_write_stb(pdev, AMD_PMC_STB_S2IDLE_RESTORE);
if (rc)