On Tue, 2015-06-30 at 15:33 +0300, ville.syrjala@xxxxxxxxxxxxxxx wrote: > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > Here's my second attempt at flipping HDMI 12bpc back on. In my last attempt [1] > Imre found that lots of standard CEA modes (1080p60 etc.) no longer work on > BXT due to the 12bpc port clock landing in a range that the DPLL can't generate. > CHV has the same limitation but it doesn't do 12bpc so the situation there > isn't as bad. > > This series attempts to work around this problem by falling back to 8bpc when > the 1.5x port clock frequency turns out to be bad. Additionally we will from > now on filter out any mode where both 8bpc and 12bpc port clock is bad. > > [1] http://lists.freedesktop.org/archives/intel-gfx/2015-June/068988.html > > Ville Syrjälä (4): > drm/i915: Fix HDMI 12bpc and pixel repeat clock readout for DDI > platforms > drm/i915: Bump HDMI min port clock to 25 MHz > drm/i915: Account for CHV/BXT DPLL clock limittions > Revert "drm/i915: Disable 12bpc hdmi for now" > > drivers/gpu/drm/i915/intel_ddi.c | 49 +++++++++++++++++----------------- > drivers/gpu/drm/i915/intel_hdmi.c | 55 +++++++++++++++++++++++++++------------ > 2 files changed, 63 insertions(+), 41 deletions(-) Looks ok to me. 12bpc modesets and the fall-back logic seems to work fine on BXT. On the series: Reviewed-and-tested-by: Imre Deak <imre.deak@xxxxxxxxx> _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
