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[PATCH 3.10 13/53] ALSA: hda - Set SKL+ hda controller power at freeze() and thaw()

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3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Xiong Zhang <xiong.y.zhang@intel.com>

commit 3e6db33aaf1d42a30339f831ec4850570d6cc7a3 upstream.

It takes three minutes to enter into hibernation on some OEM SKL
machines and we see many codec spurious response after thaw() opertion.
This is because HDA is still in D0 state after freeze() call and
pci_pm_freeze/pci_pm_freeze_noirq() don't set D3 hot in pci_bus driver.
It seems bios still access HDA when system enter into freeze state,
HDA will receive codec response interrupt immediately after thaw() call.
Because of this unexpected interrupt, HDA enter into a abnormal
state and slow down the system enter into hibernation.

In this patch, we put HDA into D3 hot state in azx_freeze_noirq() and
put HDA into D0 state in azx_thaw_noirq().

V2: Only apply this fix to SKL+
    Fix compile error when CONFIG_PM_SLEEP isn't defined

[Yet another fix for CONFIG_PM_SLEEP ifdef and the additional comment
 by tiwai]

Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 sound/pci/hda/hda_intel.c |   34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1104,6 +1104,36 @@ static unsigned int azx_get_response(str
 		return azx_rirb_get_response(bus, addr);
 }
 
+#ifdef CONFIG_PM_SLEEP
+/* put codec down to D3 at hibernation for Intel SKL+;
+ * otherwise BIOS may still access the codec and screw up the driver
+ */
+#define IS_SKL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa170)
+#define IS_SKL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d70)
+#define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98)
+#define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci))
+
+static int azx_freeze_noirq(struct device *dev)
+{
+	struct pci_dev *pci = to_pci_dev(dev);
+
+	if (IS_SKL_PLUS(pci))
+		pci_set_power_state(pci, PCI_D3hot);
+
+	return 0;
+}
+
+static int azx_thaw_noirq(struct device *dev)
+{
+	struct pci_dev *pci = to_pci_dev(dev);
+
+	if (IS_SKL_PLUS(pci))
+		pci_set_power_state(pci, PCI_D0);
+
+	return 0;
+}
+#endif /* CONFIG_PM_SLEEP */
+
 #ifdef CONFIG_PM
 static void azx_power_notify(struct hda_bus *bus, bool power_up);
 #endif
@@ -2974,6 +3004,10 @@ static int azx_runtime_idle(struct devic
 #ifdef CONFIG_PM
 static const struct dev_pm_ops azx_pm = {
 	SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume)
+#ifdef CONFIG_PM_SLEEP
+	.freeze_noirq = azx_freeze_noirq,
+	.thaw_noirq = azx_thaw_noirq,
+#endif
 	SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle)
 };
 

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[PATCH 3.10 00/53] 3.10.96-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 42/53] team: Replace rcu_read_lock with a mutex in team_vlan_rx_kill_vid Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 46/53] scripts/recordmcount.pl: support data in text section on powerpc Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 04/53] x86/xen: dont reset vcpu_info on a cancelled suspend Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 43/53] powerpc/tm: Block signal return setting invalid MSR state Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 44/53] powerpc: Make value-returning atomics fully ordered Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 29/53] USB: cp210x: add ID for ELV Marble Sound Board 1 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 32/53] ipv6/addrlabel: fix ip6addrlbl_get() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 06/53] x86/reboot/quirks: Add iMac10,1 to pci_reboot_dmi_table[] Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 05/53] KVM: PPC: Book3S HV: Prohibit setting illegal transaction state in MSR Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 53/53] mn10300: Select CONFIG_HAVE_UID16 to fix build failure Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 30/53] xhci: refuse loading if nousb is used Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 45/53] powerpc: Make {cmp}xchg* and their atomic_ versions fully ordered Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 39/53] phonet: properly unshare skbs in phonet_rcv() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 40/53] isdn_ppp: Add checks for allocation failure in isdn_ppp_open() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 47/53] arm64: fix building without CONFIG_UID16 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 37/53] net: possible use after free in dst_release Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 07/53] x86/boot: Double BOOT_HEAP_SIZE to 64KB Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 49/53] arm64: mm: ensure that the zero page is visible to the page table walker Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 38/53] tcp_yeah: dont set ssthresh below 2 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 09/53] ALSA: hda - Add Intel Lewisburg device IDs Audio Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 34/53] connector: bump skb->users before callback invocation Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 08/53] ipmi: move timer init to before irq is setup Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 33/53] sctp: sctp should release assoc when sctp_make_abort_user return NULL in sctp_close Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 51/53] HID: core: Avoid uninitialized buffer access Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 48/53] arm64: Clear out any singlestep state on a ptrace detach operation Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 36/53] bridge: Only call /sbin/bridge-stp for the initial network namespace Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 50/53] parisc iommu: fix panic due to trying to allocate too large region Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 52/53] openrisc: fix CONFIG_UID16 setting Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:00 +0100
  [PATCH 3.10 13/53] ALSA: hda - Set SKL+ hda controller power at freeze() and thaw() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 11/53] ALSA: rme96: Fix unexpected volume reset after rate changes Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 23/53] ALSA: control: Avoid kernel warnings from tlv ioctl with numid 0 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 01/53] af_unix: fix incorrect revert of lock_interruptible in stream receive code Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 28/53] USB: ipaq.c: fix a timeout loop Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 15/53] ALSA: seq: Fix missing NULL check at remove_events ioctl Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 16/53] ALSA: seq: Fix race at timer setup and close Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 03/53] xen/gntdev: Grant maps should not be subject to NUMA balancing Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 22/53] ALSA: hrtimer: Fix stall by hrtimer_cancel() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 14/53] ALSA: hda/realtek - Fix silent headphone output on MacPro 4,1 (v2) Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 26/53] ASoC: compress: Fix compress device direction check Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 25/53] ASoC: arizona: Fix bclk for sample rates that are multiple of 4kHz Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 10/53] ALSA: hda - Apply pin fixup for HP ProBook 6550b Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 19/53] ALSA: timer: Fix double unlink of active_list Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 17/53] ALSA: timer: Harden slave timer list handling Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 20/53] ALSA: seq: Fix snd_seq_call_port_info_ioctl in compat mode Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 21/53] ALSA: pcm: Fix snd_pcm_hw_params struct copy in compat mode Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 12/53] ALSA: hda - Add inverted dmic for Packard Bell DOTS Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 24/53] ASoC: wm8962: correct addresses for HPF_C_0/1 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 27/53] usb: xhci: fix config fail of FS hub behind a HS hub with MTT Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 02/53] x86/signal: Fix restart_syscall number for x32 tasks Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  [PATCH 3.10 18/53] ALSA: timer: Fix race among timer ioctls Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 21:10 +0100
  Re: [PATCH 3.10 00/53] 3.10.96-stable review Willy Tarreau <w@1wt.eu> - 2016-01-27 22:20 +0100
    Re: [PATCH 3.10 00/53] 3.10.96-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 22:30 +0100
  Re: [PATCH 3.10 00/53] 3.10.96-stable review Shuah Khan <shuahkh@osg.samsung.com> - 2016-01-28 00:30 +0100
    Re: [PATCH 3.10 00/53] 3.10.96-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-29 06:50 +0100
  Re: [PATCH 3.10 00/53] 3.10.96-stable review Guenter Roeck <linux@roeck-us.net> - 2016-01-28 03:10 +0100
    Re: [PATCH 3.10 00/53] 3.10.96-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-29 07:00 +0100
  Re: [PATCH 3.10 00/53] 3.10.96-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-29 07:00 +0100
    Re: [PATCH 3.10 00/53] 3.10.96-stable review Kevin Hilman <khilman@baylibre.com> - 2016-01-29 23:50 +0100

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