| Message ID | 20120725092928.GD5396@phenom.ffwll.local (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On ?roda, 25 lipca 2012 o 11:29:28 Daniel Vetter wrote: > On Wed, Jul 25, 2012 at 10:54:25AM +0200, Maciej Rutecki wrote: > > On ?roda, 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 Still the same. PS. Unfortunately, this afternoon I have small a surgical operation and further tests will be possible only after 2-3 days. Regards
On Wed, Jul 25, 2012 at 12:57 PM, Maciej Rutecki <maciej.rutecki@gmail.com> wrote: > On ?roda, 25 lipca 2012 o 11:29:28 Daniel Vetter wrote: >> On Wed, Jul 25, 2012 at 10:54:25AM +0200, Maciej Rutecki wrote: >> > On ?roda, 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 > > Still the same. Hm, can you attach the dmesg again (with drm.debug=0xe)? If I haven't botched up something, we should now retry at least the ddc transfer ... -Daniel > > PS. Unfortunately, this afternoon I have small a surgical operation and > further tests will be possible only after 2-3 days. > > Regards > -- > Maciej Rutecki > http://www.mrutecki.pl
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",