diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 516671f50b6c..6186926f865e 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -85,8 +85,8 @@ #define DP_DSC_MAX_ENC_THROUGHPUT_0 340000 #define DP_DSC_MAX_ENC_THROUGHPUT_1 400000 -/* DP DSC FEC Overhead factor = 1/(0.972261) */ -#define DP_DSC_FEC_OVERHEAD_FACTOR 972261 +/* DP DSC FEC Overhead factor in ppm = 1/(0.972261) = 1.028530 */ +#define DP_DSC_FEC_OVERHEAD_FACTOR 1028530 /* Compliance test status bits */ #define INTEL_DP_RESOLUTION_SHIFT_MASK 0 @@ -680,8 +680,8 @@ int intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp, u32 intel_dp_mode_to_fec_clock(u32 mode_clock) { - return div_u64(mul_u32_u32(mode_clock, 1000000U), - DP_DSC_FEC_OVERHEAD_FACTOR); + return div_u64(mul_u32_u32(mode_clock, DP_DSC_FEC_OVERHEAD_FACTOR), + 1000000U); } static int |