Commit 9f7cb03e authored by Roman Li's avatar Roman Li Committed by Alex Deucher
Browse files

drm/amd/display: Fix array-index-out-of-bounds in dml2 



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

[How]
Fix the index.

Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Acked-by: default avatarRodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: default avatarRoman Li <Roman.Li@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3d71a872

drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c

+3 −3
Original line number Diff line number Diff line
@@ -9447,12 +9447,12 @@ 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,