Add patch fixing Lenovo X1 7th and 8th gen not suspending (rhbz 1816621)
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From: Aaron Ma <aaron.ma@canonical.com>
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To: jeffrey.t.kirsher@intel.com, aaron.ma@canonical.com, davem@davemloft.net,
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Subject: [Intel-wired-lan] [PATCH] e1000e: bump up timeout to wait when ME
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un-configure ULP mode
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ME takes 2+ seconds to un-configure ULP mode done after resume
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from s2idle on some ThinkPad laptops.
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Without enough wait, reset and re-init will fail with error.
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Fixes: f15bb6dde738cc8fa0 ("e1000e: Add support for S0ix")
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BugLink: https://bugs.launchpad.net/bugs/1865570
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Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
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---
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drivers/net/ethernet/intel/e1000e/ich8lan.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
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index b4135c50e905..147b15a2f8b3 100644
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--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
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+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
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@@ -1240,9 +1240,9 @@ static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force)
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ew32(H2ME, mac_reg);
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}
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- /* Poll up to 300msec for ME to clear ULP_CFG_DONE. */
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+ /* Poll up to 2.5sec for ME to clear ULP_CFG_DONE. */
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while (er32(FWSM) & E1000_FWSM_ULP_CFG_DONE) {
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- if (i++ == 30) {
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+ if (i++ == 250) {
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ret_val = -E1000_ERR_PHY;
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goto out;
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}
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@ -883,6 +883,10 @@ Patch507: drm-dp-mst-error-handling-improvements.patch
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# https://bugzilla.redhat.com/show_bug.cgi?id=1811850
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Patch509: drm-i915-backports.patch
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# https://bugzilla.redhat.com/show_bug.cgi?id=1816621
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# https://patchwork.ozlabs.org/patch/1260523/
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Patch510: e1000e-bump-up-timeout-to-wait-when-ME-un-configure-ULP-mode.patch
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# END OF PATCH DEFINITIONS
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%endif
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@ -2978,6 +2982,9 @@ fi
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#
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#
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%changelog
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* Thu Apr 02 2020 Hans de Goede <hdegoede@redhat.com>
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- Add patch fixing Lenovo X1 7th and 8th gen not suspending (rhbz 1816621)
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* Wed Apr 01 2020 Justin M. Forbes <jforbes@fedoraproject.org> - 5.7.0-0.rc0.git3.1
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- Linux v5.6-5611-g1a323ea5356e
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