[PATCH 07/28] drm/amd/display: Fix DML calculation errors

[Stylon Wang]

From: Nicholas Susanto <nicholas.susanto at amd.com>

[Why]
DML calculations differ with DCN3.1 spreadsheet values due to
translations errors from the visual basic code

[How]
Add missing calculations that set the value for DSCDelay

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>
Reviewed-by: Jun Lei <jun.lei at amd.com>
Acked-by: Stylon Wang <stylon.wang at amd.com>
Signed-off-by: Nicholas Susanto <nicholas.susanto at amd.com>
---
 .../gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c    | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c b/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c
index a94aa0f21a7f..88e56889a68c 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c
@@ -2311,6 +2311,7 @@ static void DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerforman
 								v->OutputFormat[k],
 								v->Output[k]) + dscComputeDelay(v->OutputFormat[k], v->Output[k]));
 			}
+			v->DSCDelay[k] = v->DSCDelay[k] + (v->HTotal[k] - v->HActive[k]) * dml_ceil((double) v->DSCDelay[k] / v->HActive[k], 1);
 			v->DSCDelay[k] = v->DSCDelay[k] * v->PixelClock[k] / v->PixelClockBackEnd[k];
 		} else {
 			v->DSCDelay[k] = 0;
@@ -4719,6 +4720,7 @@ void dml314_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_
 									v->OutputFormat[k],
 									v->Output[k]) + dscComputeDelay(v->OutputFormat[k], v->Output[k]));
 				}
+				v->DSCDelayPerState[i][k] = v->DSCDelayPerState[i][k] + (v->HTotal[k] - v->HActive[k]) * dml_ceil((double) v->DSCDelayPerState[i][k] / v->HActive[k], 1.0);
 				v->DSCDelayPerState[i][k] = v->DSCDelayPerState[i][k] * v->PixelClock[k] / v->PixelClockBackEnd[k];
 			} else {
 				v->DSCDelayPerState[i][k] = 0.0;
-- 
2.42.0