p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

drm/i915/bdw: make sure south port interrupts are enabled properly v2 

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>
This commit is contained in:
Jesse Barnes 2014-01-10 13:13:09 -08:00 committed by Daniel Vetter
parent 7ad228b11e
commit 09f2344d08
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/i915/i915_irq.c
View 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)