From: Mario Limonciello Date: Thu, 29 Sep 2022 21:50:42 +0000 (-0500) Subject: platform/x86/amd: pmc: Dump idle mask during "check" stage instead X-Git-Tag: v6.1-rc5~310^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c928df03bde92d70babeb22d500f528256758aee;p=platform%2Fkernel%2Flinux-starfive.git platform/x86/amd: pmc: Dump idle mask during "check" stage instead The idle mask is dumped during the "prepare" and "restore" stage right now, which helps to demonstrate issues only related to the first s2idle entry. If the system has entered s2idle once, but was woken up never breaking the s2idle loop but also never went back to sleep we might still have another issue to deal with however. Move the dynamic debugging message here so that we'll catch it on each iteration. Link: https://bugzilla.kernel.org/show_bug.cgi?id=216516 Signed-off-by: Mario Limonciello Link: https://lore.kernel.org/r/20220929215042.745-1-mario.limonciello@amd.com Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede --- diff --git a/drivers/platform/x86/amd/pmc.c b/drivers/platform/x86/amd/pmc.c index 047e474..ce859b3 100644 --- a/drivers/platform/x86/amd/pmc.c +++ b/drivers/platform/x86/amd/pmc.c @@ -719,8 +719,6 @@ static void amd_pmc_s2idle_prepare(void) } } - /* Dump the IdleMask before we send hint to SMU */ - amd_pmc_idlemask_read(pdev, pdev->dev, NULL); msg = amd_pmc_get_os_hint(pdev); rc = amd_pmc_send_cmd(pdev, arg, NULL, msg, 0); if (rc) { @@ -738,6 +736,9 @@ static void amd_pmc_s2idle_check(void) struct amd_pmc_dev *pdev = &pmc; int rc; + /* Dump the IdleMask before we add to the STB */ + amd_pmc_idlemask_read(pdev, pdev->dev, NULL); + rc = amd_pmc_write_stb(pdev, AMD_PMC_STB_S2IDLE_CHECK); if (rc) dev_err(pdev->dev, "error writing to STB: %d\n", rc); @@ -757,9 +758,6 @@ static void amd_pmc_s2idle_restore(void) /* Let SMU know that we are looking for stats */ amd_pmc_send_cmd(pdev, 0, NULL, SMU_MSG_LOG_DUMP_DATA, 0); - /* Dump the IdleMask to see the blockers */ - amd_pmc_idlemask_read(pdev, pdev->dev, NULL); - rc = amd_pmc_write_stb(pdev, AMD_PMC_STB_S2IDLE_RESTORE); if (rc) dev_err(pdev->dev, "error writing to STB: %d\n", rc);