diff options
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index e8958a464647..045cd555c291 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -40,6 +40,7 @@ #ifdef CONFIG_X86 /* for snoop control */ +#include <linux/dma-map-ops.h> #include <asm/set_memory.h> #include <asm/cpufeature.h> #endif @@ -175,8 +176,8 @@ module_param(power_save, xint, 0644); MODULE_PARM_DESC(power_save, "Automatic power-saving timeout " "(in second, 0 = disable)."); -static bool pm_blacklist = true; -module_param(pm_blacklist, bool, 0644); +static int pm_blacklist = -1; +module_param(pm_blacklist, bint, 0644); MODULE_PARM_DESC(pm_blacklist, "Enable power-management denylist"); /* reset the HD-audio controller in power save mode. @@ -188,7 +189,7 @@ module_param(power_save_controller, bool, 0644); MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode."); #else /* CONFIG_PM */ #define power_save 0 -#define pm_blacklist false +#define pm_blacklist 0 #define power_save_controller false #endif /* CONFIG_PM */ @@ -306,7 +307,7 @@ enum { /* quirks for ATI HDMI with snoop off */ #define AZX_DCAPS_PRESET_ATI_HDMI_NS \ - (AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_SNOOP_OFF) + (AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_AMD_ALLOC_FIX) /* quirks for AMD SB */ #define AZX_DCAPS_PRESET_AMD_SB \ @@ -930,10 +931,14 @@ static int __maybe_unused param_set_xint(const char *val, const struct kernel_pa if (ret || prev == power_save) return ret; + if (pm_blacklist > 0) + return 0; + mutex_lock(&card_list_lock); list_for_each_entry(hda, &card_list, list) { chip = &hda->chip; - if (!hda->probe_continued || chip->disabled) + if (!hda->probe_continued || chip->disabled || + hda->runtime_pm_disabled) continue; snd_hda_set_power_save(&chip->bus, power_save * 1000); } @@ -1702,6 +1707,13 @@ static void azx_check_snoop_available(struct azx *chip) if (chip->driver_caps & AZX_DCAPS_SNOOP_OFF) snoop = false; +#ifdef CONFIG_X86 + /* check the presence of DMA ops (i.e. IOMMU), disable snoop conditionally */ + if ((chip->driver_caps & AZX_DCAPS_AMD_ALLOC_FIX) && + !get_dma_ops(chip->card->dev)) + snoop = false; +#endif + chip->snoop = snoop; if (!snoop) { dev_info(chip->card->dev, "Force to non-snoop mode\n"); @@ -1809,7 +1821,7 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci, /* use the non-cached pages in non-snoop mode */ if (!azx_snoop(chip)) - azx_bus(chip)->dma_type = SNDRV_DMA_TYPE_DEV_WC_SG; + azx_bus(chip)->dma_type = SNDRV_DMA_TYPE_DEV_WC; if (chip->driver_type == AZX_DRIVER_NVIDIA) { dev_dbg(chip->card->dev, "Enable delay in RIRB handling\n"); @@ -2243,9 +2255,10 @@ static const struct snd_pci_quirk power_save_denylist[] = { static void set_default_power_save(struct azx *chip) { + struct hda_intel *hda = container_of(chip, struct hda_intel, chip); int val = power_save; - if (pm_blacklist) { + if (pm_blacklist < 0) { const struct snd_pci_quirk *q; q = snd_pci_quirk_lookup(chip->pci, power_save_denylist); @@ -2253,7 +2266,11 @@ static void set_default_power_save(struct azx *chip) dev_info(chip->card->dev, "device %04x:%04x is on the power_save denylist, forcing power_save to 0\n", q->subvendor, q->subdevice); val = 0; + hda->runtime_pm_disabled = 1; } + } else if (pm_blacklist > 0) { + dev_info(chip->card->dev, "Forcing power_save to 0 via option\n"); + val = 0; } snd_hda_set_power_save(&chip->bus, val * 1000); } |