Currently, if an odd divider improves the deviation (minimizes it), we take that divider. The recommendation is to prefer even dividers. Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_ddi.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 381a8c9..54344c3 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -1308,6 +1308,13 @@ skl_ddi_calculate_wrpll(int clock /* in Hz */, dco_freq, p); } + + /* + * If a solution is found with an even divider, prefer + * this one. + */ + if (d == 0 && ctx.p) + break; } } -- 2.1.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
