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authorAurabindo Pillai <aurabindo.pillai@amd.com>2025-01-20 15:27:23 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-04-25 10:48:05 +0200
commit29b2d6f53c78b54ec1e50d35d8fad24e0c66e323 (patch)
tree0d158f8022f1a335644c5fa94e59f99e0f4423bb
parent628e6c45213955d9651e6e8454ac76e551f6c0d8 (diff)
drm/amd/display: Temporarily disable hostvm on DCN31
commit ba93dddfc92084a1e28ea447ec4f8315f3d8d3fd upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
index 80386f698ae4..0ca6358a9782 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
@@ -891,7 +891,7 @@ 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,
};