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---
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yaml
---
r: 307005
b: refs/heads/master
c: 874e3cc
h: refs/heads/master
i:
  307003: 7c40092
v: v3
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Daniel Kurtz authored and Daniel Vetter committed Mar 28, 2012
1 parent 9f564cf commit 917a62e
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Showing 2 changed files with 8 additions and 5 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 924a93edc96b7f7e08a0af7a2f9afe4827bab103
refs/heads/master: 874e3cc90ba2fe1420945c1ac93781aa8dd33b53
11 changes: 7 additions & 4 deletions trunk/drivers/gpu/drm/i915/intel_i2c.c
Original file line number Diff line number Diff line change
Expand Up @@ -333,17 +333,20 @@ gmbus_xfer(struct i2c_adapter *adapter,
* till then let it sleep.
*/
if (wait_for((I915_READ(GMBUS2 + reg_offset) & GMBUS_ACTIVE) == 0, 10))
DRM_INFO("GMBUS timed out waiting for idle\n");
DRM_INFO("GMBUS [%s] timed out waiting for idle\n",
bus->adapter.name);
I915_WRITE(GMBUS0 + reg_offset, 0);
ret = i;
goto out;

timeout:
DRM_INFO("GMBUS timed out, falling back to bit banging on pin %d [%s]\n",
bus->reg0 & 0xff, bus->adapter.name);
DRM_INFO("GMBUS [%s] timed out, falling back to bit banging on pin %d\n",
bus->adapter.name, bus->reg0 & 0xff);
I915_WRITE(GMBUS0 + reg_offset, 0);

/* Hardware may not support GMBUS over these pins? Try GPIO bitbanging instead. */
/* Hardware may not support GMBUS over these pins?
* Try GPIO bitbanging instead.
*/
if (!bus->has_gpio) {
ret = -EIO;
} else {
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