From: Alvin Lee <[email protected]> [why] There exists scenarios where the split index for subvp can be pipe index 0. The assumption in FW is that the split index won't be 0 but this is incorrect.
[how] Instead populate non-split cases to be 0xF to differentiate between split and non-split. Reviewed-by: Wenjing Liu <[email protected]> Acked-by: Tom Chung <[email protected]> Signed-off-by: Alvin Lee <[email protected]> --- drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c index 3d7252218ea9..0ccdc0c979a1 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c @@ -780,7 +780,7 @@ static void populate_subvp_cmd_pipe_info(struct dc *dc, } else if (subvp_pipe->next_odm_pipe) { pipe_data->pipe_config.subvp_data.main_split_pipe_index = subvp_pipe->next_odm_pipe->pipe_idx; } else { - pipe_data->pipe_config.subvp_data.main_split_pipe_index = 0; + pipe_data->pipe_config.subvp_data.main_split_pipe_index = 0xF; } // Find phantom pipe index based on phantom stream @@ -795,7 +795,7 @@ static void populate_subvp_cmd_pipe_info(struct dc *dc, } else if (phantom_pipe->next_odm_pipe) { pipe_data->pipe_config.subvp_data.phantom_split_pipe_index = phantom_pipe->next_odm_pipe->plane_res.hubp->inst; } else { - pipe_data->pipe_config.subvp_data.phantom_split_pipe_index = 0; + pipe_data->pipe_config.subvp_data.phantom_split_pipe_index = 0xF; } break; } -- 2.34.1
