From: Egbert Eich <eich@suse.de>
To: intel-gfx@lists.freedesktop.org
Cc: Egbert Eich <eich@suse.de>, Daniel Vetter <daniel.vetter@ffwll.ch>
Subject: [PATCH] drm/i915: Make sure PORT_HOTPLUG_EN is written
Date: Fri, 26 Jul 2013 12:31:30 +0200 [thread overview]
Message-ID: <1374834690-6214-1-git-send-email-eich@suse.de> (raw)
Add posting read to make sure PORT_HOTPLUG_EN is written in
i915_hpd_irq_setup().
Signed-off-by: Egbert Eich <eich@suse.de>
---
drivers/gpu/drm/i915/i915_irq.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 1f3a971..a38372b 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2805,6 +2805,7 @@ static void i915_hpd_irq_setup(struct drm_device *dev)
/* Ignore TV since it's buggy */
I915_WRITE(PORT_HOTPLUG_EN, hotplug_en);
+ POSTING_READ(PORT_HOTPLUG_EN);
}
}
--
1.8.1.4
next reply other threads:[~2013-07-26 10:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-26 10:31 Egbert Eich [this message]
2013-07-26 11:43 ` [PATCH] drm/i915: Make sure PORT_HOTPLUG_EN is written Chris Wilson
2013-07-26 12:07 ` Egbert Eich
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