From a783e7b5182ba5df2916c7abda60b8e781bdb3aa Mon Sep 17 00:00:00 2001 From: Leon Elazar Date: Thu, 9 Mar 2017 14:38:15 -0500 Subject: [PATCH] drm/amd/display: adding new dc_update_surfaces_and_stream Signed-off-by: Leon Elazar Acked-by: Harry Wentland Reviewed-by: Tony Cheng Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc.c | 21 +++++++++++++++++ drivers/gpu/drm/amd/display/dc/dc.h | 29 ++++++++++++++++++++++++ 2 files changed, 50 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index d6041e842347..228ef6b310e0 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1268,6 +1268,27 @@ enum surface_update_type dc_check_update_surfaces_for_stream( return overall_type; } +void dc_update_surfaces_and_stream(struct dc *dc, + struct dc_surface_update *surface_updates, int surface_count, + const struct dc_stream *dc_stream, + struct dc_stream_update *stream_update) +{ + const struct dc_stream_status *stream_status; + + stream_status = dc_stream_get_status(dc_stream); + ASSERT(stream_status); + if (!stream_status) + return; /* Cannot update stream that is not committed */ + + if (stream_update) { + dc->stream_funcs.stream_update_scaling(dc, dc_stream, + &stream_update->src, &stream_update->dst); + } + + dc_update_surfaces_for_stream(dc, surface_updates, + surface_count, dc_stream); +} + enum surface_update_type update_surface_trace_level = UPDATE_TYPE_FULL; void dc_update_surfaces_for_stream(struct dc *dc, diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 106addc937ca..b1bff597c0f7 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -433,6 +433,35 @@ struct dc_stream { /* TODO: CEA VIC */ }; +struct dc_stream_update { + + struct rect src; + + struct rect dst; + +}; + + +/* + * Setup stream attributes if no stream updates are provided + * there will be no impact on the stream parameters + * + * Set up surface attributes and associate to a stream + * The surfaces parameter is an absolute set of all surface active for the stream. + * If no surfaces are provided, the stream will be blanked; no memory read. + * Any flip related attribute changes must be done through this interface. + * + * After this call: + * Surfaces attributes are programmed and configured to be composed into stream. + * This does not trigger a flip. No surface address is programmed. + * + */ + +void dc_update_surfaces_and_stream(struct dc *dc, + struct dc_surface_update *surface_updates, int surface_count, + const struct dc_stream *dc_stream, + struct dc_stream_update *stream_update); + /* * Log the current stream state. */ -- 2.30.2