]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commitdiff
drm/i915/bdw: make sure south port interrupts are enabled properly v2
authorJesse Barnes <jbarnes@virtuousgeek.org>
Fri, 10 Jan 2014 21:13:09 +0000 (13:13 -0800)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Fri, 10 Jan 2014 21:35:15 +0000 (22:35 +0100)
We were apparently relying on the defaults on BDW, which resulted in no
hotplug or AUX interrupts.  So be sure to call the ibx_irq_preinstall to
enable all interrupts.

v2: use preinstall instead of redundant SDIER write

References: https://bugs.freedesktop.org/show_bug.cgi?id=72834
References: https://bugs.freedesktop.org/show_bug.cgi?id=72833
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_irq.c

index 5d1dedc02f159c8b7a21d23a940df9c5bf0c2bd2..f13d5edc39d56c9bdfe3091a9218872ef59be071 100644 (file)
@@ -2713,6 +2713,8 @@ static void gen8_irq_preinstall(struct drm_device *dev)
 #undef GEN8_IRQ_INIT_NDX
 
        POSTING_READ(GEN8_PCU_IIR);
+
+       ibx_irq_preinstall(dev);
 }
 
 static void ibx_hpd_irq_setup(struct drm_device *dev)