On Wed, Jul 25, 2012 at 10:54:25AM +0200, Maciej Rutecki wrote: > On środa, 25 lipca 2012 o 10:29:26 Daniel Vetter wrote: > > On Wed, Jul 25, 2012 at 10:20:47AM +0200, Maciej Rutecki wrote: > > > Last known good: 3.4.4 > > > First bad: 3.5.0 > > > > > > When booting 3.5.0 resolution (in console, and after in KDE) is set to > > > 1024x768 (60Hz). In 3.4.4 was correct: 1440x900 (60Hz). > > > > Can you please attach the output of xrandr --verbose for both kernels? > > Also, please boot with drm.debug=0xe added to your kernel cmdline and grab > > the dmesg (again for both kernels). > > > > Thanks for the ansfer. > > Here xrandr and dmesg outputs for 3.4.4 and 3.5.0 > > http://mrutecki.pl/download/kernel/3.5/swinka/debug/ Can you please test this quick hack: diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index 1991a44..abe1611 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -405,7 +405,7 @@ clear_err: * timing out seems to happen when there _is_ a ddc chip present, but * it's slow responding and only answers on the 2nd retry. */ - ret = -ENXIO; + ret = 0; if (wait_for((I915_READ(GMBUS2 + reg_offset) & GMBUS_ACTIVE) == 0, 10)) { DRM_DEBUG_KMS("GMBUS [%s] timed out after NAK\n", Thanks, Daniel -- Daniel Vetter Mail: daniel@xxxxxxxx Mobile: +41 (0)79 365 57 48 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel