diff options
| author | Leo (Sunpeng) Li <sunpeng.li@amd.com> | 2018-02-06 09:50:49 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 14:20:08 -0500 |
| commit | 44af70a7428404f8c00b77988888c8b495b78766 (patch) | |
| tree | 51a973f80c7d199d3a358944d0b8530c2584b396 /drivers/gpu/drm/amd/display/dc | |
| parent | 236d0e4f6f1eaac500261660e35ededcfbd66eeb (diff) | |
drm/amd/display: Expose dither setting functionality to Linux
We will need this to disable dither for CRC capture.
Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 31 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_stream.h | 3 |
2 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index a78e0364b1b2..ea5c35166ffa 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -300,6 +300,37 @@ bool dc_stream_get_crc(struct dc *dc, struct dc_stream_state *stream, return false; } +void dc_stream_set_dither_option(struct dc_stream_state *stream, + enum dc_dither_option option) +{ + struct bit_depth_reduction_params params; + struct dc_link *link = stream->status.link; + struct pipe_ctx *pipes = NULL; + int i; + + for (i = 0; i < MAX_PIPES; i++) { + if (link->dc->current_state->res_ctx.pipe_ctx[i].stream == + stream) { + pipes = &link->dc->current_state->res_ctx.pipe_ctx[i]; + break; + } + } + + memset(¶ms, 0, sizeof(params)); + if (!pipes) + return; + if (option > DITHER_OPTION_MAX) + return; + + stream->dither_option = option; + + resource_build_bit_depth_reduction_params(stream, + ¶ms); + stream->bit_depth_params = params; + pipes->stream_res.opp->funcs-> + opp_program_bit_depth_reduction(pipes->stream_res.opp, ¶ms); +} + void dc_stream_set_static_screen_events(struct dc *dc, struct dc_stream_state **streams, int num_streams, diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h index 2d2472ba97bf..78a2bbe0b272 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_stream.h +++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h @@ -287,6 +287,9 @@ void dc_stream_set_static_screen_events(struct dc *dc, int num_streams, const struct dc_static_screen_events *events); +void dc_stream_set_dither_option(struct dc_stream_state *stream, + enum dc_dither_option option); + bool dc_stream_adjust_vmin_vmax(struct dc *dc, struct dc_stream_state **stream, |