diff options
| author |   Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> | 2020-06-12 09:35:37 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2020-07-02 12:02:55 -0400 |
| commit | 4d765d31625069e355f3ac3bfcc7eb6172bc1ce1 (patch) | |
| tree | 98df37afedcf234e4418857caa9f3f5a13fe4fd3 /drivers/gpu/drm/amd/display/dc/dcn20 | |
| parent | drm/amd/display: 3.2.92 (diff) | |
| download | linux-dev-4d765d31625069e355f3ac3bfcc7eb6172bc1ce1.tar.xz linux-dev-4d765d31625069e355f3ac3bfcc7eb6172bc1ce1.zip | |
drm/amd/display: Enable 4 to 1 mpc combine for max detile use
In case of certain display configurations we want to allow max detile
buffer utilization by using 4 to 1 mpc combine
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com>
Acked-by: Eryk Brol <eryk.brol@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c index 0983bcc25117..e226647088b9 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -2102,11 +2102,20 @@ int dcn20_populate_dml_pipes_from_context( if (res_ctx->pipe_ctx[i].top_pipe && res_ctx->pipe_ctx[i].top_pipe->plane_state == res_ctx->pipe_ctx[i].plane_state) { struct pipe_ctx *first_pipe = res_ctx->pipe_ctx[i].top_pipe; + int split_idx = 0; while (first_pipe->top_pipe && first_pipe->top_pipe->plane_state - == res_ctx->pipe_ctx[i].plane_state) + == res_ctx->pipe_ctx[i].plane_state) { first_pipe = first_pipe->top_pipe; - pipes[pipe_cnt].pipe.src.hsplit_grp = first_pipe->pipe_idx; + split_idx++; + } + /* Treat 4to1 mpc combine as an mpo of 2 2-to-1 combines */ + if (split_idx == 0) + pipes[pipe_cnt].pipe.src.hsplit_grp = first_pipe->pipe_idx; + else if (split_idx == 1) + pipes[pipe_cnt].pipe.src.hsplit_grp = res_ctx->pipe_ctx[i].pipe_idx; + else if (split_idx == 2) + pipes[pipe_cnt].pipe.src.hsplit_grp = res_ctx->pipe_ctx[i].top_pipe->pipe_idx; } else if (res_ctx->pipe_ctx[i].prev_odm_pipe) { struct pipe_ctx *first_pipe = res_ctx->pipe_ctx[i].prev_odm_pipe; @@ -2258,7 +2267,7 @@ int dcn20_populate_dml_pipes_from_context( || (res_ctx->pipe_ctx[i].top_pipe && res_ctx->pipe_ctx[i].top_pipe->plane_state == pln) || pipes[pipe_cnt].pipe.dest.odm_combine != dm_odm_combine_mode_disabled; - /* stereo is never split, nor odm combine */ + /* stereo is not split */ if (pln->stereo_format == PLANE_STEREO_FORMAT_SIDE_BY_SIDE || pln->stereo_format == PLANE_STEREO_FORMAT_TOP_AND_BOTTOM) { pipes[pipe_cnt].pipe.src.is_hsplit = false; @@ -2721,12 +2730,11 @@ int dcn20_validate_apply_pipe_split_flags( if (!context->res_ctx.pipe_ctx[i].stream) continue; - if (force_split || v->NoOfDPP[vlevel][max_mpc_comb][pipe_plane] > 1) { - if (split4mpc) - split[i] = 4; - else + if (split4mpc || v->NoOfDPP[vlevel][max_mpc_comb][pipe_plane] == 4) + split[i] = 4; + else if (force_split || v->NoOfDPP[vlevel][max_mpc_comb][pipe_plane] == 2) split[i] = 2; - } + if ((pipe->stream->view_format == VIEW_3D_FORMAT_SIDE_BY_SIDE || pipe->stream->view_format == |