Partially revert "drm/amd/display: Fix possible underflow for displays with large vblank"

[ Upstream commit a99a4ff6ef205d125002fc7e0857074e4e6597b6 ]

This partially reverts commit de231189e7bf ("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 <nicholas.kazlauskas@amd.com>
Reviewed-by: Jun Lei <jun.lei@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Daniel Miess <daniel.miess@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Daniel Miess 2023-05-31 11:47:35 -04:00 committed by Greg Kroah-Hartman
parent 9186398472
commit 9fc3adc6d0

View File

@ -32,7 +32,7 @@
#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,