From: Samson Tam <samson.tam@xxxxxxx>
[ Upstream commit f3c23bea598ab7e8e4b8c5ca66598921310f718e ]
[Why]
SwathSizePerSurfaceY[] and SwathSizePerSurfaceC[] values are uninitialized
because we are using += instead of = operator.
[How]
Assign values in loop with = operator.
Acked-by: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
Signed-off-by: Samson Tam <samson.tam@xxxxxxx>
Reviewed-by: Aric Cyr <aric.cyr@xxxxxxx>
Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # 6.0.x, 6.1.x
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
.../drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
index 5af601cff1a0..b53feeaf5cf1 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
@@ -6257,12 +6257,12 @@ bool dml32_CalculateDETSwathFillLatencyHiding(unsigned int NumberOfActiveSurface
double SwathSizePerSurfaceC[DC__NUM_DPP__MAX];
bool NotEnoughDETSwathFillLatencyHiding = false;
- /* calculate sum of single swath size for all pipes in bytes*/
+ /* calculate sum of single swath size for all pipes in bytes */
for (k = 0; k < NumberOfActiveSurfaces; k++) {
- SwathSizePerSurfaceY[k] += SwathHeightY[k] * SwathWidthY[k] * BytePerPixelInDETY[k] * NumOfDPP[k];
+ SwathSizePerSurfaceY[k] = SwathHeightY[k] * SwathWidthY[k] * BytePerPixelInDETY[k] * NumOfDPP[k];
if (SwathHeightC[k] != 0)
- SwathSizePerSurfaceC[k] += SwathHeightC[k] * SwathWidthC[k] * BytePerPixelInDETC[k] * NumOfDPP[k];
+ SwathSizePerSurfaceC[k] = SwathHeightC[k] * SwathWidthC[k] * BytePerPixelInDETC[k] * NumOfDPP[k];
else
SwathSizePerSurfaceC[k] = 0;
--
2.35.1
