On Thu, Jul 23, 2015 at 04:34:58PM -0700, Rodrigo Vivi wrote: > By Vesa's DP 1.2 Spec this counter has 4 bits [3:0]. > > This mask is wrong since when the counter was introduced by myself > on commit ad9dc91b6e21266bfc6f466db4b95e10211f31ee > Author: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> > Date: Tue Sep 16 19:18:12 2014 -0400 > > drm/i915: Fix Sink CRC > > Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> > --- > include/drm/drm_dp_helper.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h > index 2e86f64..94898f6 100644 > --- a/include/drm/drm_dp_helper.h > +++ b/include/drm/drm_dp_helper.h > @@ -420,7 +420,7 @@ > > #define DP_TEST_SINK_MISC 0x246 > # define DP_TEST_CRC_SUPPORTED (1 << 5) > -# define DP_TEST_COUNT_MASK 0x7 > +# define DP_TEST_COUNT_MASK 0xf According to the specification this field should really be called DP_TEST_CRC_COUNT_MASK, because it counts the number of times that the TEST_CRC_* registers are updated. That could be a separate patch, though. Thierry
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