Commit 83ee9e64 authored by Daniel Vetter's avatar Daniel Vetter
Browse files

drm/i915: disable gmbus on i830

The hw just returns garbage.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=49838


Reported-and-tested-by: default avatarVladyslav <DFEW.Entwickler@googlemail.com>
Acked-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Signed-Off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent edc912f5
......@@ -490,6 +490,10 @@ int intel_setup_gmbus(struct drm_device *dev)
/* By default use a conservative clock rate */
bus->reg0 = port | GMBUS_RATE_100KHZ;
/* gmbus seems to be broken on i830 */
if (IS_I830(dev))
bus->force_bit = true;
intel_gpio_setup(bus, port);
}
......
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