diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_resource.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index 0c26c2ade782..ac7a75887f95 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -417,6 +417,49 @@ int resource_get_clock_source_reference( return -1; } +bool resource_are_vblanks_synchronizable( + struct dc_stream_state *stream1, + struct dc_stream_state *stream2) +{ + uint32_t base60_refresh_rates[] = {10, 20, 5}; + uint8_t i; + uint8_t rr_count = sizeof(base60_refresh_rates)/sizeof(base60_refresh_rates[0]); + uint64_t frame_time_diff; + + if (stream1->ctx->dc->config.vblank_alignment_dto_params && + stream1->ctx->dc->config.vblank_alignment_max_frame_time_diff > 0 && + dc_is_dp_signal(stream1->signal) && + dc_is_dp_signal(stream2->signal) && + false == stream1->has_non_synchronizable_pclk && + false == stream2->has_non_synchronizable_pclk && + stream1->timing.flags.VBLANK_SYNCHRONIZABLE && + stream2->timing.flags.VBLANK_SYNCHRONIZABLE) { + /* disable refresh rates higher than 60Hz for now */ + if (stream1->timing.pix_clk_100hz*100/stream1->timing.h_total/ + stream1->timing.v_total > 60) + return false; + if (stream2->timing.pix_clk_100hz*100/stream2->timing.h_total/ + stream2->timing.v_total > 60) + return false; + frame_time_diff = (uint64_t)10000 * + stream1->timing.h_total * + stream1->timing.v_total * + stream2->timing.pix_clk_100hz; + frame_time_diff = div_u64(frame_time_diff, stream1->timing.pix_clk_100hz); + frame_time_diff = div_u64(frame_time_diff, stream2->timing.h_total); + frame_time_diff = div_u64(frame_time_diff, stream2->timing.v_total); + for (i = 0; i < rr_count; i++) { + int64_t diff = (int64_t)div_u64(frame_time_diff * base60_refresh_rates[i], 10) - 10000; + + if (diff < 0) + diff = -diff; + if (diff < stream1->ctx->dc->config.vblank_alignment_max_frame_time_diff) + return true; + } + } + return false; +} + bool resource_are_streams_timing_synchronizable( struct dc_stream_state *stream1, struct dc_stream_state *stream2) @@ -1887,6 +1930,9 @@ enum dc_status dc_remove_stream_from_ctx( dc->res_pool, del_pipe->stream_res.stream_enc, false); + /* Release link encoder from stream in new dc_state. */ + if (dc->res_pool->funcs->link_enc_unassign) + dc->res_pool->funcs->link_enc_unassign(new_ctx, del_pipe->stream); if (del_pipe->stream_res.audio) update_audio_usage( @@ -2799,6 +2845,10 @@ bool pipe_need_reprogram( if (pipe_ctx_old->stream_res.dsc != pipe_ctx->stream_res.dsc) return true; + /* DIG link encoder resource assignment for stream changed. */ + if (pipe_ctx_old->stream->link_enc != pipe_ctx->stream->link_enc) + return true; + return false; } |