Commit ba93dddf authored by Aurabindo Pillai's avatar Aurabindo Pillai Committed by Alex Deucher
Browse files

drm/amd/display: Temporarily disable hostvm on DCN31 



With HostVM enabled, DCN31 fails to pass validation for 3x4k60. Some Linux
userspace does not downgrade one of the monitors to 4k30, and the result
is that the monitor does not light up. Disable it until the bandwidth
calculation failure is resolved.

Reviewed-by: default avatarSun peng Li <sunpeng.li@amd.com>
Signed-off-by: default avatarAurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: default avatarZaeem Mohamed <zaeem.mohamed@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ab021b9f

drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c

+1 −1
Original line number Diff line number Diff line
@@ -890,7 +890,7 @@ static const struct dc_debug_options debug_defaults_drv = { 
	.disable_z10 = true,

	.enable_legacy_fast_update = true,

	.enable_z9_disable_interface = true, /* Allow support for the PMFW interface for disable Z9*/

	.dml_hostvm_override = DML_HOSTVM_NO_OVERRIDE,

	.dml_hostvm_override = DML_HOSTVM_OVERRIDE_FALSE,

	.using_dml2 = false,

};