From 309c42efdab945071c693a51334fbaeb0a700b0d Mon Sep 17 00:00:00 2001 From: Yongqiang Sun Date: Mon, 2 Oct 2017 17:08:24 -0400 Subject: [PATCH] drm/amd/display: wa to program split pipedegamma regs after mode set. Signed-off-by: Yongqiang Sun Reviewed-by: Tony Cheng Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- 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); -- 2.30.2