[PATCH 44/47] drm/amd/display: Fix array-index-out-of-bounds in dml2

[Rodrigo Siqueira]

From: Roman Li <roman...@amd.com>

[Why]
UBSAN errors observed in dmesg.
array-index-out-of-bounds in dml2/display_mode_core.c

[How]
Fix the index.

Acked-by: Rodrigo Siqueira <rodrigo.sique...@amd.com>
Signed-off-by: Roman Li <roman...@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c 
b/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c
index 2e7fe46fc689..cf5e8c4fda42 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c
@@ -9438,12 +9438,12 @@ void dml_core_mode_programming(struct 
display_mode_lib_st *mode_lib, const struc
 
                // Output
                CalculateWatermarks_params->Watermark = &s->dummy_watermark; // 
Watermarks *Watermark
-               CalculateWatermarks_params->DRAMClockChangeSupport = 
&mode_lib->ms.support.DRAMClockChangeSupport[j];
+               CalculateWatermarks_params->DRAMClockChangeSupport = 
&mode_lib->ms.support.DRAMClockChangeSupport[0];
                
CalculateWatermarks_params->MaxActiveDRAMClockChangeLatencySupported = 
&s->dummy_single_array[0][0]; // dml_float_t 
*MaxActiveDRAMClockChangeLatencySupported[]
                CalculateWatermarks_params->SubViewportLinesNeededInMALL = 
&mode_lib->ms.SubViewportLinesNeededInMALL[j]; // dml_uint_t 
SubViewportLinesNeededInMALL[]
-               CalculateWatermarks_params->FCLKChangeSupport = 
&mode_lib->ms.support.FCLKChangeSupport[j];
+               CalculateWatermarks_params->FCLKChangeSupport = 
&mode_lib->ms.support.FCLKChangeSupport[0];
                CalculateWatermarks_params->MaxActiveFCLKChangeLatencySupported 
= &s->dummy_single[0]; // dml_float_t *MaxActiveFCLKChangeLatencySupported
-               CalculateWatermarks_params->USRRetrainingSupport = 
&mode_lib->ms.support.USRRetrainingSupport[j];
+               CalculateWatermarks_params->USRRetrainingSupport = 
&mode_lib->ms.support.USRRetrainingSupport[0];
 
                CalculateWatermarksMALLUseAndDRAMSpeedChangeSupport(
                        &mode_lib->scratch,
-- 
2.42.0