This is a note to let you know that I've just added the patch titled drm/amd/display: correct hostvm flag to the 6.0-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-amd-display-correct-hostvm-flag.patch and it can be found in the queue-6.0 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 82551a45b1977127a9d4e0e7ba1eecdb95b6933f Author: Sherry Wang <Yao.Wang1@xxxxxxx> Date: Wed Sep 7 00:12:44 2022 +0800 drm/amd/display: correct hostvm flag [ Upstream commit 796d6a37ff5ffaf9f2dc0f3f4bf9f4a1034c00de ] [Why] Hostvm should be enabled/disabled accordding to the status of riommu_active, but hostvm always be disabled on DCN31 which causes underflow [How] Set correct hostvm flag on DCN31 Reviewed-by: Charlene Liu <Charlene.Liu@xxxxxxx> Acked-by: Wayne Lin <wayne.lin@xxxxxxx> Signed-off-by: Sherry Wang <Yao.Wang1@xxxxxxx> Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c index aedff18aff56..2e5a21856eee 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c @@ -891,7 +891,7 @@ static const struct dc_debug_options debug_defaults_drv = { .optimize_edp_link_rate = true, .enable_sw_cntl_psr = true, .enable_z9_disable_interface = true, /* Allow support for the PMFW interface for disable Z9*/ - .dml_hostvm_override = DML_HOSTVM_OVERRIDE_FALSE, + .dml_hostvm_override = DML_HOSTVM_NO_OVERRIDE, }; static const struct dc_debug_options debug_defaults_diags = {