diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 10 |
1 files changed, 8 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 32d24365bce1..7b765efe0825 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c @@ -634,7 +634,7 @@ static void populate_subvp_cmd_pipe_info(struct dc *dc, &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[cmd_pipe_index]; struct dc_crtc_timing *main_timing = &subvp_pipe->stream->timing; struct dc_crtc_timing *phantom_timing = &subvp_pipe->stream->mall_stream_config.paired_stream->timing; - uint32_t out_num, out_den; + uint32_t out_num_stream, out_den_stream, out_num_plane, out_den_plane, out_num, out_den; pipe_data->mode = SUBVP; pipe_data->pipe_config.subvp_data.pix_clk_100hz = subvp_pipe->stream->timing.pix_clk_100hz; @@ -651,8 +651,14 @@ static void populate_subvp_cmd_pipe_info(struct dc *dc, /* Calculate the scaling factor from the src and dst height. * e.g. If 3840x2160 being downscaled to 1920x1080, the scaling factor is 1/2. * Reduce the fraction 1080/2160 = 1/2 for the "scaling factor" + * + * Make sure to combine stream and plane scaling together. */ - reduce_fraction(subvp_pipe->stream->src.height, subvp_pipe->stream->dst.height, &out_num, &out_den); + reduce_fraction(subvp_pipe->stream->src.height, subvp_pipe->stream->dst.height, + &out_num_stream, &out_den_stream); + reduce_fraction(subvp_pipe->plane_state->src_rect.height, subvp_pipe->plane_state->dst_rect.height, + &out_num_plane, &out_den_plane); + reduce_fraction(out_num_stream * out_num_plane, out_den_stream * out_den_plane, &out_num, &out_den); pipe_data->pipe_config.subvp_data.scale_factor_numerator = out_num; pipe_data->pipe_config.subvp_data.scale_factor_denominator = out_den; |