[PATCH 02/11] drm/amd/display: Remove asserts

[Rodrigo Siqueira]

From: Hong-lu Cheng <hong-lu.cheng at amd.com>

[why]
Endless assert caused by LinesInDETChroma=0.

[how]
Don't floor for LinesInDETChroma=0

Reviewed-by: Jun Lei <jun.lei at amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira at amd.com>
Signed-off-by: Hong-lu Cheng <hong-lu.cheng at amd.com>
---
 .../display/dc/dml/dcn20/display_mode_vba_20.c   | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c
index 6266b0788387..7bf4bb7ad044 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c
@@ -4356,12 +4356,16 @@ void dml20_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
 						locals->PSCL_FACTOR[k] / locals->ReturnBWPerState[i][0],
 						locals->EffectiveLBLatencyHidingSourceLinesLuma),
 						locals->SwathHeightYPerState[i][j][k]);
-
-				locals->EffectiveDETLBLinesChroma = dml_floor(locals->LinesInDETChroma + dml_min(
-						locals->LinesInDETChroma * locals->RequiredDISPCLK[i][j] * locals->BytePerPixelInDETC[k] *
-						locals->PSCL_FACTOR_CHROMA[k] / locals->ReturnBWPerState[i][0],
-						locals->EffectiveLBLatencyHidingSourceLinesChroma),
-						locals->SwathHeightCPerState[i][j][k]);
+				if (locals->LinesInDETChroma) {
+					locals->EffectiveDETLBLinesChroma = dml_floor(locals->LinesInDETChroma +
+						    dml_min(locals->LinesInDETChroma * locals->RequiredDISPCLK[i][j] *
+						    locals->BytePerPixelInDETC[k] *
+							locals->PSCL_FACTOR_CHROMA[k] / locals->ReturnBWPerState[i][0],
+							locals->EffectiveLBLatencyHidingSourceLinesChroma),
+							locals->SwathHeightCPerState[i][j][k]);
+				} else {
+					locals->EffectiveDETLBLinesChroma = 0;
+				}
 
 				if (locals->BytePerPixelInDETC[k] == 0) {
 					locals->UrgentLatencySupportUsPerState[i][j][k] = locals->EffectiveDETLBLinesLuma * (locals->HTotal[k] / locals->PixelClock[k])
-- 
2.39.2