diff options
Diffstat (limited to 'kernels/linux-libre-pae/drm-i915-enable-irqs-earlier-when-resuming.patch')
| -rw-r--r-- | kernels/linux-libre-pae/drm-i915-enable-irqs-earlier-when-resuming.patch | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/kernels/linux-libre-pae/drm-i915-enable-irqs-earlier-when-resuming.patch b/kernels/linux-libre-pae/drm-i915-enable-irqs-earlier-when-resuming.patch deleted file mode 100644 index cb621d520..000000000 --- a/kernels/linux-libre-pae/drm-i915-enable-irqs-earlier-when-resuming.patch +++ /dev/null @@ -1,82 +0,0 @@ -From 15239099d7a7a9ecdc1ccb5b187ae4cda5488ff9 Mon Sep 17 00:00:00 2001 -From: Daniel Vetter <daniel.vetter@ffwll.ch> -Date: Tue, 5 Mar 2013 09:50:58 +0100 -Subject: drm/i915: enable irqs earlier when resuming - -From: Daniel Vetter <daniel.vetter@ffwll.ch> - -commit 15239099d7a7a9ecdc1ccb5b187ae4cda5488ff9 upstream. - -We need it to restore the ilk rc6 context, since the gpu wait no -requires interrupts. But in general having interrupts around should -help in code sanity, since more and more stuff is interrupt driven. - -This regression has been introduced in - -commit 3e9605018ab3e333d51cc90fccfde2031886763b -Author: Chris Wilson <chris@chris-wilson.co.uk> -Date: Tue Nov 27 16:22:54 2012 +0000 - - drm/i915: Rearrange code to only have a single method for waiting upon the ring - -Like in the driver load code we need to make sure that hotplug -interrupts don't cause havoc with our modeset state, hence block them -with the existing infrastructure. Again we ignore races where we might -loose hotplug interrupts ... - -Note that the driver load part of the regression has already been -fixed in - -commit 52d7ecedac3f96fb562cb482c139015372728638 -Author: Daniel Vetter <daniel.vetter@ffwll.ch> -Date: Sat Dec 1 21:03:22 2012 +0100 - - drm/i915: reorder setup sequence to have irqs for output setup - -v2: Add a note to the commit message about which patch fixed the -driver load part of the regression. Stable kernels need to backport -both patches. - -Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=54691 -Cc: Chris Wilson <chris@chris-wilson.co.uk> -Cc: Mika Kuoppala <mika.kuoppala@intel.com> -Reported-and-Tested-by: Ilya Tumaykin <itumaykin@gmail.com> -Reviewed-by: Chris wilson <chris@chris-wilson.co.uk> (v1) -Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> - ---- - drivers/gpu/drm/i915/i915_drv.c | 13 ++++++++++++- - 1 file changed, 12 insertions(+), 1 deletion(-) - ---- a/drivers/gpu/drm/i915/i915_drv.c -+++ b/drivers/gpu/drm/i915/i915_drv.c -@@ -486,6 +486,7 @@ static int i915_drm_freeze(struct drm_de - intel_modeset_disable(dev); - - drm_irq_uninstall(dev); -+ dev_priv->enable_hotplug_processing = false; - } - - i915_save_state(dev); -@@ -562,9 +563,19 @@ static int __i915_drm_thaw(struct drm_de - error = i915_gem_init_hw(dev); - mutex_unlock(&dev->struct_mutex); - -+ /* We need working interrupts for modeset enabling ... */ -+ drm_irq_install(dev); -+ - intel_modeset_init_hw(dev); - intel_modeset_setup_hw_state(dev, false); -- drm_irq_install(dev); -+ -+ /* -+ * ... but also need to make sure that hotplug processing -+ * doesn't cause havoc. Like in the driver load code we don't -+ * bother with the tiny race here where we might loose hotplug -+ * notifications. -+ * */ -+ dev_priv->enable_hotplug_processing = true; - } - - intel_opregion_init(dev); |