diff options
| author | Yuanhan Liu <yuanhan.liu@intel.com> | 2010-10-08 10:18:01 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-12-09 13:32:23 -0800 |
| commit | 1e35b166fcd025cd9284f48f16395e6241555b0c (patch) | |
| tree | 5d3f470ceed9b11fe6a0113980761e46998770d7 | |
| parent | 09727bc2e979da872d2e10d2b4208cae0576d2b0 (diff) | |
drm/i915/crt: Make sure the hotplug interrupt is enabled
commit 1510a97182b4ddb5fe3c4e8d05240f7cd6fd13e7 upstream.
After disabling the hotplug interrupts for VGA detection on Ironlake, be
sure to re-enable them again afterwards.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=30378
Signed-off-by: Yuanhan Liu <yuanhan.liu@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_crt.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 197d4f32585..0f950e74db3 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -191,7 +191,8 @@ static bool intel_ironlake_crt_detect_hotplug(struct drm_connector *connector) DRM_DEBUG_KMS("timed out waiting for FORCE_TRIGGER"); if (turn_off_dac) { - I915_WRITE(PCH_ADPA, temp); + /* Make sure hotplug is enabled */ + I915_WRITE(PCH_ADPA, temp | ADPA_CRT_HOTPLUG_ENABLE); (void)I915_READ(PCH_ADPA); } |