From: Yongqiang Sun <yongqiang.sun@xxxxxxx> Signed-off-by: Yongqiang Sun <yongqiang.sun at amd.com> Reviewed-by: Tony Cheng <Tony.Cheng at amd.com> Acked-by: Harry Wentland <Harry.Wentland at amd.com> --- drivers/gpu/drm/amd/display/dc/core/dc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 33a63c7d7a8e..09bab93815a3 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1282,7 +1282,9 @@ static void commit_planes_for_stream(struct dc *dc, if (update_type == UPDATE_TYPE_FAST) continue; - if (srf_updates[i].in_transfer_func) + /* work around to program degamma regs for split pipe after set mode. */ + if (srf_updates[i].in_transfer_func || (pipe_ctx->top_pipe && + pipe_ctx->top_pipe->plane_state == pipe_ctx->plane_state)) dc->hwss.set_input_transfer_func( pipe_ctx, pipe_ctx->plane_state); -- 2.14.1
