From: "Leo (Hanghong) Ma" <hanghong.ma@xxxxxxx>
[Why]
We need a helper function in dc to grab the pipe from the stream
context.
[How]
Add it.
Reviewed-by: Martin Leung <Martin.Leung@xxxxxxx>
Acked-by: Agustin Gutierrez <agustin.gutierrez@xxxxxxx>
Signed-off-by: Leo (Hanghong) Ma <hanghong.ma@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 14 ++++++++++++++
drivers/gpu/drm/amd/display/dc/dc_stream.h | 2 ++
2 files changed, 16 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
index dc5fd27b031a..c4e871f358ab 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -718,6 +718,20 @@ enum dc_status dc_stream_add_dsc_to_resource(struct dc *dc,
}
}
+struct pipe_ctx *dc_stream_get_pipe_ctx(struct dc_stream_state *stream)
+{
+ int i = 0;
+
+ for (i = 0; i < MAX_PIPES; i++) {
+ struct pipe_ctx *pipe = &stream->ctx->dc->current_state->res_ctx.pipe_ctx[i];
+
+ if (pipe->stream == stream)
+ return pipe;
+ }
+
+ return NULL;
+}
+
void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream)
{
DC_LOG_DC(
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index f631b61abedd..99a750f561f8 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -524,4 +524,6 @@ bool dc_stream_get_crtc_position(struct dc *dc,
unsigned int *v_pos,
unsigned int *nom_v_pos);
+struct pipe_ctx *dc_stream_get_pipe_ctx(struct dc_stream_state *stream);
+
#endif /* DC_STREAM_H_ */
--
2.35.1
