diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c | 4 |
1 files changed, 3 insertions, 1 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 6255101737b5..3e919f5c00ca 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 @@ -9460,8 +9460,10 @@ void dml_core_mode_programming(struct display_mode_lib_st *mode_lib, const struc /* Copy the calculated watermarks to mp.Watermark as the getter functions are * implemented by the DML team to copy the calculated values from the mp.Watermark interface. + * &mode_lib->mp.Watermark and &locals->Watermark are the same address, memcpy may lead to + * unexpected behavior. memmove should be used. */ - memcpy(&mode_lib->mp.Watermark, CalculateWatermarks_params->Watermark, sizeof(struct Watermarks)); + memmove(&mode_lib->mp.Watermark, CalculateWatermarks_params->Watermark, sizeof(struct Watermarks)); for (k = 0; k < mode_lib->ms.num_active_planes; ++k) { if (mode_lib->ms.cache_display_cfg.writeback.WritebackEnable[k] == true) { |