Commit a1b6667e authored by Aurabindo Pillai's avatar Aurabindo Pillai Committed by Alex Deucher
Browse files

drm/amd/display: Zeromem mypipe heap struct before using it 



[Why&How]
Bug was caused when moving variable from stack to heap because it was reusable
and garbage was left over, so we need to zero mem.

Reviewed-by: default avatarMartin Leung <Martin.Leung@amd.com>
Acked-by: default avatarAlan Liu <HaoPing.Liu@amd.com>
Signed-off-by: default avatarAurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: default avatarMartin Leung <Martin.Leung@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent b17710f4

drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c

+1 −0
Original line number Diff line number Diff line
@@ -3192,6 +3192,7 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l 
							mode_lib->vba.FCLKChangeLatency, mode_lib->vba.UrgLatency[i],

							mode_lib->vba.SREnterPlusExitTime);



					memset(&v->dummy_vars.dml32_ModeSupportAndSystemConfigurationFull, 0, sizeof(DmlPipe));

					v->dummy_vars.dml32_ModeSupportAndSystemConfigurationFull.myPipe.Dppclk = mode_lib->vba.RequiredDPPCLK[i][j][k];

					v->dummy_vars.dml32_ModeSupportAndSystemConfigurationFull.myPipe.Dispclk = mode_lib->vba.RequiredDISPCLK[i][j];

					v->dummy_vars.dml32_ModeSupportAndSystemConfigurationFull.myPipe.PixelClock = mode_lib->vba.PixelClock[k];