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drm/i915: Use the GM45 VGA hotplug workaround on G45 as well.

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Although spec say CRT_HOTPLUG_ACTIVATION_PERIOD_64 is only useful for
mobile platform, it is also required to detect vga on G4x desktops correctly.
Tested on G45/G43/Q45 platforms with no regressions.

It fixed freedesktop.org bug #21120 and part of bug #21210

Signed-off-by: Ma Ling <ling.ma@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Ma Ling
2009-05-13 14:46:12 +08:00
committed by Eric Anholt
parent 425d244c86
commit e92597cfff
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_crt.c
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@@ -161,7 +161,7 @@ static bool intel_crt_detect_hotplug(struct drm_connector *connector)
hotplug_en &= CRT_FORCE_HOTPLUG_MASK;
hotplug_en |= CRT_HOTPLUG_FORCE_DETECT;
if (IS_GM45(dev))
if (IS_G4X(dev))
hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64;
hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50;