With the rework to merge the bit-banging fallback into the gmbus
i2c adapter we've gotten rid of the deadlock possibility that
originally lead to the disabling of this code.
This reverts the revert
commit 826c7e4147f902737b281e8a5a7d7aa33fd63316
Author: Jean Delvare <khali@xxxxxxxxxxxx>
Date: Sat Jun 4 19:34:56 2011 +0000
Revert "drm/i915: Enable GMBUS for post-gen2 chipsets"
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=35572
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
drivers/gpu/drm/i915/intel_i2c.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
index 9791546..2ec5f0d 100644
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -384,7 +384,7 @@ int intel_setup_gmbus(struct drm_device *dev)
bus->has_gpio = intel_gpio_setup(bus, i);
/* XXX force bit banging until GMBUS is fully debugged */
- if (bus->has_gpio)
+ if (bus->has_gpio && IS_GEN2(dev))
bus->force_bit = true;
}
--
1.7.7.5
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