Jan Niggemann writes: > Egbert, Daniel, others, > It's a Lenovo ThinkPad T400, the model is 7434-AG2. > root@muretop:~# lspci -n > 00:00.0 0600: 8086:2a40 (rev 07) > 00:02.0 0300: 8086:2a42 (rev 07) Ok, this is a gm45. > > As to the log: I messed up the kernel parameters this morning... was > out of coffee this morning and my 1,5y daughter played around me :-) > > Here's my kernel log with drm.debug and printk.time enabled: > Uncompressed (22M): http://files.hz6.de/kern_20130722.log These logs show that interrupts are still coming thru although they should be disabled. Could you try if the patch below makes any difference? Cheers, Egbert. >From 70dae32e99799d15ddcedd5853514215624a8289 Mon Sep 17 00:00:00 2001 From: Egbert Eich <eich@xxxxxxx> Date: Mon, 22 Jul 2013 22:33:36 +0200 Subject: [PATCH] drm/i915: Make sure PORT_HOTPLUG_EN is written Add posting read to make sure PORT_HOTPLUG_EN is written in i915_hpd_irq_setup(). Signed-off-by: Egbert Eich <eich@xxxxxxx> --- 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 f708e4e..e43d809 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2802,6 +2802,7 @@ 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 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
