On Tue, Apr 12, 2022 at 5:03 PM Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx> wrote: > > This reverts commit 367b3e934f578f6c0d5d8ca5987dc6ac4cd6831d. > > While we were testing DCN3.1 with a hub, we noticed that only one of 2 > connected displays lights up when using some specific display > resolution. In summary, this was the setup: > > 1. Displays: > * Sharp LQ156M1JW26 (eDP): 1080@240 > * BENQ SW320 (DP): 4k@60 > * BENQ EX3203R (DP): 4k@60 > 2. Hub: Club3D CSV-7300 > 3. ASIC: DCN3.1 > > After bisecting this issue, we figured out the commit mentioned above > introduced this issue. We are investigating why this patch introduced > this regression, but we need to revert it for now. > > Cc: Harry Wentland <harry.wentland@xxxxxxx> > Cc: Mark Broadworth <Mark.Broadworth@xxxxxxx> > Cc: Michael Strauss <michael.strauss@xxxxxxx> > Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx> Acked-by: Alex Deucher <alexander.deucher@xxxxxxx> > --- > drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c | 1 - > 1 file changed, 1 deletion(-) > > 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 6cc580be7c79..5b3f0c2dfb55 100644 > --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c > +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c > @@ -1668,7 +1668,6 @@ 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; > -- > 2.25.1 >
