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drm/amd/display: Temporarily disable hostvm on DCN31

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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: Sun peng Li <sunpeng.li@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Aurabindo Pillai
2025-01-20 15:27:23 -05:00
committed by Alex Deucher
parent ab021b9f31
commit ba93dddfc9
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
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@@ -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,
};