From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: "Kai-Heng Feng" <kai.heng.feng@canonical.com>,
"Éric Piel" <eric.piel@trempplin-utc.net>,
"Hans de Goede" <hdegoede@redhat.com>,
"Sasha Levin" <sashal@kernel.org>,
platform-driver-x86@vger.kernel.org
Subject: [PATCH AUTOSEL 5.12 01/63] platform/x86: hp_accel: Avoid invoking _INI to speed up resume
Date: Mon, 24 May 2021 10:45:18 -0400 [thread overview]
Message-ID: <20210524144620.2497249-1-sashal@kernel.org> (raw)
From: Kai-Heng Feng <kai.heng.feng@canonical.com>
[ Upstream commit 79d341e26ebcdbc622348aaaab6f8f89b6fdb25f ]
hp_accel can take almost two seconds to resume on some HP laptops.
The bottleneck is on evaluating _INI, which is only needed to run once.
Resolve the issue by only invoking _INI when it's necessary. Namely, on
probe and on hibernation restore.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Acked-by: Éric Piel <eric.piel@trempplin-utc.net>
Link: https://lore.kernel.org/r/20210430060736.590321-1-kai.heng.feng@canonical.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/misc/lis3lv02d/lis3lv02d.h | 1 +
drivers/platform/x86/hp_accel.c | 22 +++++++++++++++++++++-
2 files changed, 22 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/lis3lv02d/lis3lv02d.h b/drivers/misc/lis3lv02d/lis3lv02d.h
index c394c0b08519..7ac788fae1b8 100644
--- a/drivers/misc/lis3lv02d/lis3lv02d.h
+++ b/drivers/misc/lis3lv02d/lis3lv02d.h
@@ -271,6 +271,7 @@ struct lis3lv02d {
int regs_size;
u8 *reg_cache;
bool regs_stored;
+ bool init_required;
u8 odr_mask; /* ODR bit mask */
u8 whoami; /* indicates measurement precision */
s16 (*read_data) (struct lis3lv02d *lis3, int reg);
diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c
index 799cbe2ffcf3..8c0867bda828 100644
--- a/drivers/platform/x86/hp_accel.c
+++ b/drivers/platform/x86/hp_accel.c
@@ -88,6 +88,9 @@ MODULE_DEVICE_TABLE(acpi, lis3lv02d_device_ids);
static int lis3lv02d_acpi_init(struct lis3lv02d *lis3)
{
struct acpi_device *dev = lis3->bus_priv;
+ if (!lis3->init_required)
+ return 0;
+
if (acpi_evaluate_object(dev->handle, METHOD_NAME__INI,
NULL, NULL) != AE_OK)
return -EINVAL;
@@ -356,6 +359,7 @@ static int lis3lv02d_add(struct acpi_device *device)
}
/* call the core layer do its init */
+ lis3_dev.init_required = true;
ret = lis3lv02d_init_device(&lis3_dev);
if (ret)
return ret;
@@ -403,11 +407,27 @@ static int lis3lv02d_suspend(struct device *dev)
static int lis3lv02d_resume(struct device *dev)
{
+ lis3_dev.init_required = false;
+ lis3lv02d_poweron(&lis3_dev);
+ return 0;
+}
+
+static int lis3lv02d_restore(struct device *dev)
+{
+ lis3_dev.init_required = true;
lis3lv02d_poweron(&lis3_dev);
return 0;
}
-static SIMPLE_DEV_PM_OPS(hp_accel_pm, lis3lv02d_suspend, lis3lv02d_resume);
+static const struct dev_pm_ops hp_accel_pm = {
+ .suspend = lis3lv02d_suspend,
+ .resume = lis3lv02d_resume,
+ .freeze = lis3lv02d_suspend,
+ .thaw = lis3lv02d_resume,
+ .poweroff = lis3lv02d_suspend,
+ .restore = lis3lv02d_restore,
+};
+
#define HP_ACCEL_PM (&hp_accel_pm)
#else
#define HP_ACCEL_PM NULL
--
2.30.2
next reply other threads:[~2021-05-24 14:46 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-24 14:45 Sasha Levin [this message]
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 02/63] gpio: cadence: Add missing MODULE_DEVICE_TABLE Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 03/63] Revert "crypto: cavium/nitrox - add an error message to explain the failure of pci_request_mem_regions" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 04/63] Revert "media: usb: gspca: add a missed check for goto_low_power" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 05/63] Revert "ALSA: sb: fix a missing check of snd_ctl_add" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 06/63] Revert "serial: max310x: pass return value of spi_register_driver" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 07/63] serial: max310x: unregister uart driver in case of failure and abort Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 08/63] Revert "net: fujitsu: fix a potential NULL pointer dereference" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 09/63] net: fujitsu: fix potential null-ptr-deref Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 10/63] Revert "net/smc: fix a NULL pointer dereference" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 11/63] net/smc: properly handle workqueue allocation failure Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 12/63] Revert "net: caif: replace BUG_ON with recovery code" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 13/63] net: caif: remove BUG_ON(dev == NULL) in caif_xmit Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 14/63] Revert "char: hpet: fix a missing check of ioremap" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 15/63] char: hpet: add checks after calling ioremap Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 16/63] Revert "ALSA: gus: add a check of the status of snd_ctl_add" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 17/63] ALSA: sb8: Add a comment note regarding an unused pointer Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 18/63] Revert "ALSA: usx2y: Fix potential NULL pointer dereference" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 19/63] Revert "isdn: mISDNinfineon: fix " Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 20/63] isdn: mISDNinfineon: check/cleanup ioremap failure correctly in setup_io Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 21/63] Revert "ath6kl: return error code in ath6kl_wmi_set_roam_lrssi_cmd()" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 22/63] ath6kl: return error code in ath6kl_wmi_set_roam_lrssi_cmd() Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 23/63] Revert "isdn: mISDN: Fix potential NULL pointer dereference of kzalloc" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 24/63] isdn: mISDN: correctly handle ph_info allocation failure in hfcsusb_ph_info Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 25/63] Revert "dmaengine: qcom_hidma: Check for driver register failure" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 26/63] dmaengine: qcom_hidma: comment platform_driver_register call Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 27/63] Revert "libertas: add checks for the return value of sysfs_create_group" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 28/63] libertas: register sysfs groups properly Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 29/63] Revert "ASoC: rt5645: fix a NULL pointer dereference" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 30/63] ASoC: rt5645: add error checking to rt5645_probe function Sasha Levin
2021-05-25 14:01 ` Mark Brown
2021-05-25 14:44 ` Greg Kroah-Hartman
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 31/63] Revert "ASoC: cs43130: fix a NULL pointer dereference" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 32/63] ASoC: cs43130: handle errors in cs43130_probe() properly Sasha Levin
2021-05-25 14:00 ` Mark Brown
2021-05-25 14:43 ` Greg Kroah-Hartman
2021-05-25 22:17 ` Mark Brown
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 33/63] Revert "media: dvb: Add check on sp8870_readreg" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 34/63] media: dvb: Add check on sp8870_readreg return Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 35/63] Revert "media: gspca: mt9m111: Check write_bridge for timeout" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 36/63] media: gspca: mt9m111: Check write_bridge for timeout Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 37/63] Revert "media: gspca: Check the return value of write_bridge for timeout" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 38/63] media: gspca: properly check for errors in po1030_probe() Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 39/63] Revert "net: liquidio: fix a NULL pointer dereference" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 40/63] net: liquidio: Add missing null pointer checks Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 41/63] Revert "brcmfmac: add a check for the status of usb_register" Sasha Levin
2021-05-24 14:45 ` [PATCH AUTOSEL 5.12 42/63] brcmfmac: properly check for bus register errors Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 43/63] cdrom: gdrom: initialize global variable at init time Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 44/63] btrfs: return whole extents in fiemap Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 45/63] scsi: ufs: ufs-mediatek: Fix power down spec violation Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 46/63] scsi: BusLogic: Fix 64-bit system enumeration error for Buslogic Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 47/63] openrisc: Define memory barrier mb Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 48/63] scsi: pm80xx: Fix drives missing during rmmod/insmod loop Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 49/63] btrfs: release path before starting transaction when cloning inline extent Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 50/63] btrfs: do not BUG_ON in link_to_fixup_dir Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 51/63] ALSA: dice: disable double_pcm_frames mode for M-Audio Profire 610, 2626 and Avid M-Box 3 Pro Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 52/63] platform/x86: hp-wireless: add AMD's hardware id to the supported list Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 53/63] platform/x86: intel_punit_ipc: Append MODULE_DEVICE_TABLE for ACPI Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 54/63] platform/x86: touchscreen_dmi: Add info for the Mediacom Winpad 7.0 W700 tablet Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 55/63] SMB3: incorrect file id in requests compounded with open Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 56/63] drm/amd/display: Disconnect non-DP with no EDID Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 57/63] drm/amd/amdgpu: fix refcount leak Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 58/63] drm/amdgpu: Fix a use-after-free Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 59/63] drm/amd/amdgpu: fix a potential deadlock in gpu reset Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 60/63] drm/amdgpu: stop touching sched.ready in the backend Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 61/63] platform/x86: touchscreen_dmi: Add info for the Chuwi Hi10 Pro (CWI529) tablet Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 62/63] block: fix a race between del_gendisk and BLKRRPART Sasha Levin
2021-05-24 14:46 ` [PATCH AUTOSEL 5.12 63/63] linux/bits.h: fix compilation error with GENMASK Sasha Levin
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