From 1b394e92a149db7ec277b7cc995888304149a5b1 Mon Sep 17 00:00:00 2001 From: Leo Li Date: Fri, 15 Mar 2019 13:50:26 -0400 Subject: [PATCH] drm/amd/display: Disconnect DCN2 mpcc when changing tg A previous fix was done for DCN1 that needed to be ported to DCN2: commit 60c677534e73 ("drm/amd/display: Disconnect mpcc when changing tg") Signed-off-by: Leo Li Acked-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c index f6e25f7..f2e5e49 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c @@ -1323,9 +1323,10 @@ static void dcn20_apply_ctx_for_surface( } } - if (!pipe_ctx->plane_state && - old_pipe_ctx->plane_state && - old_pipe_ctx->stream_res.tg == tg) { + if ((!pipe_ctx->plane_state || + pipe_ctx->stream_res.tg != old_pipe_ctx->stream_res.tg) && + old_pipe_ctx->plane_state && + old_pipe_ctx->stream_res.tg == tg) { dc->hwss.plane_atomic_disconnect(dc, old_pipe_ctx); removed_pipe[i] = true; -- 2.7.4