From: Michael Strauss Date: Wed, 16 Feb 2022 22:01:18 +0000 (-0500) Subject: drm/amd/display: Pass HostVM enable flag into DCN3.1 DML X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=863fa85e6a01c8b239009825dd9de1f64d7d020a;p=linux.git drm/amd/display: Pass HostVM enable flag into DCN3.1 DML [WHY] Calculations differ with HostVM enabled/disabled, causing underflow in configs with high refresh displays + scaling due to lower available BW [HOW] Check riommu_active in order to pass correct HostVM enablement to DML Reviewed-by: Nicholas Kazlauskas Acked-by: Alan Liu Signed-off-by: Michael Strauss Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- 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 28cd4f82529e9..2ecd7bbfa0d4b 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c @@ -1810,6 +1810,7 @@ int dcn31_populate_dml_pipes_from_context( pipes[pipe_cnt].pipe.src.immediate_flip = true; pipes[pipe_cnt].pipe.src.unbounded_req_mode = false; + pipes[pipe_cnt].pipe.src.hostvm = dc->res_pool->hubbub->riommu_active; pipes[pipe_cnt].pipe.src.gpuvm = true; pipes[pipe_cnt].pipe.src.dcc_fraction_of_zs_req_luma = 0; pipes[pipe_cnt].pipe.src.dcc_fraction_of_zs_req_chroma = 0;