From: Daniel Miess <[email protected]> This partially reverts commit 94bea120b3f5 ("drm/amd/display: Fix possible underflow for displays with large vblank").
[Why] The increased value of VBlankNomDefaultUS causes underflow at the desktop of an IP KVM setup [How] Change the value from 800 back to 668 Reviewed-by: Nicholas Kazlauskas <[email protected]> Reviewed-by: Jun Lei <[email protected]> Acked-by: Hamza Mahfooz <[email protected]> Signed-off-by: Daniel Miess <[email protected]> --- drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c index c9afddd11589..d9e049e7ff0a 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c @@ -33,7 +33,7 @@ #include "dml/display_mode_vba.h" struct _vcs_dpi_ip_params_st dcn3_14_ip = { - .VBlankNomDefaultUS = 800, + .VBlankNomDefaultUS = 668, .gpuvm_enable = 1, .gpuvm_max_page_table_levels = 1, .hostvm_enable = 1, -- 2.40.1
