diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2015-06-28 15:00:42 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2015-06-28 15:00:42 +0000 |
| commit | b946d61c42568f6579c11361ec5a27f8cb45e1b0 (patch) | |
| tree | 78d54087a97d5a8db14106e454d74a3fd1f347a0 /sys/dev/pci/drm/i915 | |
| parent | 683f04ea0ef5443f6494b7613393ad17e18c32ae (diff) | |
Read the lower 16-bits of the GCFGC "double word". Potentially fixes issues
with some modes on machines with the 915GM chipset.
discussed with jsg@
Diffstat (limited to 'sys/dev/pci/drm/i915')
| -rw-r--r-- | sys/dev/pci/drm/i915/intel_display.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/dev/pci/drm/i915/intel_display.c b/sys/dev/pci/drm/i915/intel_display.c index 4cebaae5d16..8797b47d179 100644 --- a/sys/dev/pci/drm/i915/intel_display.c +++ b/sys/dev/pci/drm/i915/intel_display.c @@ -1,4 +1,4 @@ -/* $OpenBSD: intel_display.c,v 1.52 2015/06/24 17:59:42 kettenis Exp $ */ +/* $OpenBSD: intel_display.c,v 1.53 2015/06/28 15:00:41 kettenis Exp $ */ /* * Copyright © 2006-2007 Intel Corporation * @@ -3981,7 +3981,7 @@ static int i915gm_get_display_clock_speed(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; u16 gcfgc = 0; - gcfgc = pci_conf_read(dev_priv->pc, dev_priv->tag, GCFGC) >> 16; + gcfgc = pci_conf_read(dev_priv->pc, dev_priv->tag, GCFGC); if (gcfgc & GC_LOW_FREQUENCY_ENABLE) return 133000; |