diff options
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
-rw-r--r-- | sound/pci/hda/hda_intel.c | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index d5017adf9feb..e2f649fffd56 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -375,6 +375,7 @@ enum { ((pci)->device == 0x160c)) #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98) +#define IS_CFL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa348) static char *driver_short_names[] = { [AZX_DRIVER_ICH] = "HDA Intel", @@ -1231,6 +1232,7 @@ static void azx_vs_set_state(struct pci_dev *pci, struct snd_card *card = pci_get_drvdata(pci); struct azx *chip = card->private_data; struct hda_intel *hda = container_of(chip, struct hda_intel, chip); + struct hda_codec *codec; bool disabled; wait_for_completion(&hda->probe_wait); @@ -1255,8 +1257,12 @@ static void azx_vs_set_state(struct pci_dev *pci, dev_info(chip->card->dev, "%s via vga_switcheroo\n", disabled ? "Disabling" : "Enabling"); if (disabled) { - pm_runtime_put_sync_suspend(card->dev); - azx_suspend(card->dev); + list_for_each_codec(codec, &chip->bus) { + pm_runtime_suspend(hda_codec_dev(codec)); + pm_runtime_disable(hda_codec_dev(codec)); + } + pm_runtime_suspend(card->dev); + pm_runtime_disable(card->dev); /* when we get suspended by vga_switcheroo we end up in D3cold, * however we have no ACPI handle, so pci/acpi can't put us there, * put ourselves there */ @@ -1267,9 +1273,12 @@ static void azx_vs_set_state(struct pci_dev *pci, "Cannot lock devices!\n"); } else { snd_hda_unlock_devices(&chip->bus); - pm_runtime_get_noresume(card->dev); chip->disabled = false; - azx_resume(card->dev); + pm_runtime_enable(card->dev); + list_for_each_codec(codec, &chip->bus) { + pm_runtime_enable(hda_codec_dev(codec)); + pm_runtime_resume(hda_codec_dev(codec)); + } } } } @@ -1299,6 +1308,7 @@ static void init_vga_switcheroo(struct azx *chip) dev_info(chip->card->dev, "Handle vga_switcheroo audio client\n"); hda->use_vga_switcheroo = 1; + chip->driver_caps |= AZX_DCAPS_PM_RUNTIME; pci_dev_put(p); } } @@ -1324,9 +1334,6 @@ static int register_vga_switcheroo(struct azx *chip) return err; hda->vga_switcheroo_registered = 1; - /* register as an optimus hdmi audio power domain */ - vga_switcheroo_init_domain_pm_optimus_hdmi_audio(chip->card->dev, - &hda->hdmi_pm_domain); return 0; } #else @@ -1355,10 +1362,8 @@ static int azx_free(struct azx *chip) if (use_vga_switcheroo(hda)) { if (chip->disabled && hda->probe_continued) snd_hda_unlock_devices(&chip->bus); - if (hda->vga_switcheroo_registered) { + if (hda->vga_switcheroo_registered) vga_switcheroo_unregister_client(chip->pci); - vga_switcheroo_fini_domain_pm_ops(chip->card->dev); - } } if (bus->chip_init) { @@ -1744,6 +1749,10 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci, else chip->bdl_pos_adj = bdl_pos_adj[dev]; + /* Workaround for a communication error on CFL (bko#199007) */ + if (IS_CFL(pci)) + chip->polling_mode = 1; + err = azx_bus_init(chip, model[dev], &pci_hda_io_ops); if (err < 0) { kfree(hda); @@ -2219,6 +2228,7 @@ static int azx_probe_continue(struct azx *chip) struct hda_intel *hda = container_of(chip, struct hda_intel, chip); struct hdac_bus *bus = azx_bus(chip); struct pci_dev *pci = chip->pci; + struct hda_codec *codec; int dev = chip->dev_index; int val; int err; @@ -2315,8 +2325,16 @@ static int azx_probe_continue(struct azx *chip) } } #endif /* CONFIG_PM */ + /* + * The discrete GPU cannot power down unless the HDA controller runtime + * suspends, so activate runtime PM on codecs even if power_save == 0. + */ + if (use_vga_switcheroo(hda)) + list_for_each_codec(codec, &chip->bus) + codec->auto_runtime_pm = 1; + snd_hda_set_power_save(&chip->bus, val * 1000); - if (azx_has_pm_runtime(chip) || hda->use_vga_switcheroo) + if (azx_has_pm_runtime(chip)) pm_runtime_put_autosuspend(&pci->dev); out_free: |