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Merge tag 'platform-drivers-x86-v6.1-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

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Pull x86 platform driver fix from Hans de Goede:
 "A single fix for 6.1 for suspend/resume issues on some AMD systems"

* tag 'platform-drivers-x86-v6.1-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86/amd: pmc: Add a workaround for an s0i3 issue on Cezanne
This commit is contained in:
Linus Torvalds
2022-12-07 12:37:35 -08:00
parent b5b52de321 e4678483f9
commit 479174d402
1 changed files with 6 additions and 0 deletions
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6
drivers/platform/x86/amd/pmc.c
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@@ -739,8 +739,14 @@ static void amd_pmc_s2idle_prepare(void)
static void amd_pmc_s2idle_check(void)
{
struct amd_pmc_dev *pdev = &pmc;
struct smu_metrics table;
int rc;
/* CZN: Ensure that future s0i3 entry attempts at least 10ms passed */
if (pdev->cpu_id == AMD_CPU_ID_CZN && !get_metrics_table(pdev, &table) &&
table.s0i3_last_entry_status)
usleep_range(10000, 20000);
/* Dump the IdleMask before we add to the STB */
amd_pmc_idlemask_read(pdev, pdev->dev, NULL);