diff options
| author | Dmytro Laktyushkin | 2018-06-13 13:58:14 -0400 |
|---|---|---|
| committer | Alex Deucher | 2018-07-13 14:48:55 -0500 |
| commit | 30cdbfaa6aa469347db7fcda5949f1ccf7559ecf (patch) | |
| tree | f30289e60459bf47e4f8f06a63e20967b9b17bb9 | |
| parent | 4b99affbb30027c8414a9d583777ad5c6439ae12 (diff) | |
drm/amd/display: dcc always on for bw calculations on raven
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c index e44b8d3d6891..080f777d705e 100644 --- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c +++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c @@ -250,7 +250,24 @@ static void pipe_ctx_to_e2e_pipe_params ( else if (pipe->bottom_pipe != NULL && pipe->bottom_pipe->plane_state == pipe->plane_state) input->src.is_hsplit = true; - input->src.dcc = pipe->plane_state->dcc.enable; + if (pipe->plane_res.dpp->ctx->dc->debug.optimized_watermark) { + /* + * this method requires us to always re-calculate watermark when dcc change + * between flip. + */ + input->src.dcc = pipe->plane_state->dcc.enable ? 1 : 0; + } else { + /* + * allow us to disable dcc on the fly without re-calculating WM + * + * extra overhead for DCC is quite small. for 1080p WM without + * DCC is only 0.417us lower (urgent goes from 6.979us to 6.562us) + */ + unsigned int bpe; + + input->src.dcc = pipe->plane_res.dpp->ctx->dc->res_pool->hubbub->funcs-> + dcc_support_pixel_format(pipe->plane_state->format, &bpe) ? 1 : 0; + } input->src.dcc_rate = 1; input->src.meta_pitch = pipe->plane_state->dcc.grph.meta_pitch; input->src.source_scan = dm_horz; |