[linux] 01/01: Revert "drm/radeon: call hpd_irq_event on resume"
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Mon Mar 7 07:58:36 UTC 2016
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commit d2894c9e58bcc8c7e41dd511cb7f7f96262bf662
Author: Ben Hutchings <ben at decadent.org.uk>
Date: Mon Mar 7 07:58:04 2016 +0000
Revert "drm/radeon: call hpd_irq_event on resume"
It is reported to cause regressions (crash/hang) on some systems.
---
debian/changelog | 3 ++-
...t-drm-radeon-call-hpd_irq_event-on-resume.patch | 22 ++++++++++++++++++++++
debian/patches/series | 1 +
3 files changed, 25 insertions(+), 1 deletion(-)
diff --git a/debian/changelog b/debian/changelog
index 5af982d..31250bc 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -303,7 +303,6 @@ linux (4.4.4-1) UNRELEASED; urgency=medium
link training
- drm/nouveau: platform: Fix deferred probe
- drm/radeon: Fix off-by-one errors in radeon_vm_bo_set_addr
- - drm/radeon: call hpd_irq_event on resume
- drm/radeon: Fix "slow" audio over DP on DCE8+
- drm/radeon: clean up fujitsu quirks
- drm/radeon: properly byte swap vce firmware setup
@@ -453,6 +452,8 @@ linux (4.4.4-1) UNRELEASED; urgency=medium
- usb-modules: Include USB PHY drivers by default
* uas: Fix high-order alloc
* Fix/ignore module ABI changes in 4.4.4 as appropriate
+ * Revert "drm/radeon: call hpd_irq_event on resume", reported to cause
+ regressions (crash/hang) on some systems
[ Ian Campbell ]
* [armhf] dts: Add DTB for Novena, patches from Vagrant Cascadian
diff --git a/debian/patches/bugfix/all/revert-drm-radeon-call-hpd_irq_event-on-resume.patch b/debian/patches/bugfix/all/revert-drm-radeon-call-hpd_irq_event-on-resume.patch
new file mode 100644
index 0000000..8ad228d
--- /dev/null
+++ b/debian/patches/bugfix/all/revert-drm-radeon-call-hpd_irq_event-on-resume.patch
@@ -0,0 +1,22 @@
+From: Ben Hutchings <ben at decadent.org.uk>
+Date: Mon, 7 Mar 2016 07:55:44 +0000
+Subject: Revert "drm/radeon: call hpd_irq_event on resume"
+
+This reverts commit dbb17a21c131eca94eb31136eee9a7fe5aff00d9,
+reported to cause regressions (crash/hang) on some systems.
+---
+ drivers/gpu/drm/radeon/radeon_device.c | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
+index 902b59cebac5..4197ca1bb1e4 100644
+--- a/drivers/gpu/drm/radeon/radeon_device.c
++++ b/drivers/gpu/drm/radeon/radeon_device.c
+@@ -1744,7 +1744,6 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
+ }
+
+ drm_kms_helper_poll_enable(dev);
+- drm_helper_hpd_irq_event(dev);
+
+ /* set the power state here in case we are a PX system or headless */
+ if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled)
diff --git a/debian/patches/series b/debian/patches/series
index 1ee0445..9ec006a 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -132,3 +132,4 @@ debian/revert-cgroup-make-sure-a-parent-css-isn-t-offlined.patch
debian/thermal-fix-abi-change-in-4.4.4.patch
debian/ipv4-fix-abi-change-in-4.4.4.patch
debian/ipv6-fix-abi-change-in-4.4.4.patch
+bugfix/all/revert-drm-radeon-call-hpd_irq_event-on-resume.patch
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