diff options
| author | Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> | 2020-02-28 17:23:31 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-03-19 00:03:04 -0400 |
| commit | cd3e05a795a3c9e54ded8130c8ef8f0290334861 (patch) | |
| tree | ac04d78a97559906a1cd587952adcb85746ff572 /drivers/gpu/drm/amd | |
| parent | 1ef893e2749292be0c3f41f404bc44e5d6a5f742 (diff) | |
drm/amd/display: fix split threshold w/a to work with mpo
Right now only stream count is used to avoid split. This change updates
the W/A to check plane count instead.
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 39 |
1 files changed, 13 insertions, 26 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 de7b12520d72..faf4f5ef1795 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -2568,38 +2568,25 @@ int dcn20_validate_apply_pipe_split_flags( bool *split) { int i, pipe_idx, vlevel_split; + int plane_count = 0; bool force_split = false; - bool avoid_split = dc->debug.pipe_split_policy != MPC_SPLIT_DYNAMIC; + bool avoid_split = dc->debug.pipe_split_policy == MPC_SPLIT_AVOID; - /* Single display loop, exits if there is more than one display */ + if (context->stream_count > 1) { + if (dc->debug.pipe_split_policy == MPC_SPLIT_AVOID_MULT_DISP) + avoid_split = true; + } else if (dc->debug.force_single_disp_pipe_split) + force_split = true; + + /* TODO: fix dc bugs and remove this split threshold thing */ for (i = 0; i < dc->res_pool->pipe_count; i++) { struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; - bool exit_loop = false; - - if (!pipe->stream || pipe->top_pipe) - continue; - if (dc->debug.force_single_disp_pipe_split) { - if (!force_split) - force_split = true; - else { - force_split = false; - exit_loop = true; - } - } - if (dc->debug.pipe_split_policy == MPC_SPLIT_AVOID_MULT_DISP) { - if (avoid_split) - avoid_split = false; - else { - avoid_split = true; - exit_loop = true; - } - } - if (exit_loop) - break; + if (pipe->stream && !pipe->prev_odm_pipe && + (!pipe->top_pipe || pipe->top_pipe->plane_state != pipe->plane_state)) + ++plane_count; } - /* TODO: fix dc bugs and remove this split threshold thing */ - if (context->stream_count > dc->res_pool->pipe_count / 2) + if (plane_count > dc->res_pool->pipe_count / 2) avoid_split = true; /* Avoid split loop looks for lowest voltage level that allows most unsplit pipes possible */ |