[PATCH] drm/amd/display: fix array index out of bound error in DCN32 DML

Aurabindo Pillai aurabindo.pillai at amd.com
Mon Dec 5 21:08:58 UTC 2022


[Why&How]
LinkCapacitySupport array is indexed with the number of voltage states and
not the number of max DPPs. Fix the error by changing the array
declaration to use the correct (larger) array size of total number of
voltage states.

Signed-off-by: Aurabindo Pillai <aurabindo.pillai at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h
index d46aa4817e70..8a67f4d65d82 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h
@@ -1162,7 +1162,7 @@ struct vba_vars_st {
 	double UrgBurstFactorLumaPre[DC__NUM_DPP__MAX];
 	double UrgBurstFactorChromaPre[DC__NUM_DPP__MAX];
 	bool NotUrgentLatencyHidingPre[DC__NUM_DPP__MAX];
-	bool LinkCapacitySupport[DC__NUM_DPP__MAX];
+	bool LinkCapacitySupport[DC__VOLTAGE_STATES];
 	bool VREADY_AT_OR_AFTER_VSYNC[DC__NUM_DPP__MAX];
 	unsigned int MIN_DST_Y_NEXT_START[DC__NUM_DPP__MAX];
 	unsigned int VFrontPorch[DC__NUM_DPP__MAX];
-- 
2.38.1



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