Commit 10603caa authored by Chris Wilson's avatar Chris Wilson Committed by Daniel Vetter

drm/i915: Apply the force-detect VGA w/a to Valleyview

It appears that Valleyview shares its VGA encoder with more recent
siblings and requires the same forced detection cycle after a hardware
reset before we can rely on hotplugging.
Reported-and-tested-by: default avatarkobeqin <kobe.qin@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=67733Tested-by: default avatarkobeqin <kobe.qin@intel.com>
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
[danvet: Check for gen >= 5 insted, acked by Chris.]
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 97e4eed7
...@@ -688,7 +688,7 @@ static void intel_crt_reset(struct drm_connector *connector) ...@@ -688,7 +688,7 @@ static void intel_crt_reset(struct drm_connector *connector)
struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crt *crt = intel_attached_crt(connector); struct intel_crt *crt = intel_attached_crt(connector);
if (HAS_PCH_SPLIT(dev)) { if (INTEL_INFO(dev)->gen >= 5) {
u32 adpa; u32 adpa;
adpa = I915_READ(crt->adpa_reg); adpa = I915_READ(crt->adpa_reg);
......
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