From dfe002242bfac946328fb21c29440e363a5b1aef Mon Sep 17 00:00:00 2001 From: jsg Date: Fri, 4 Aug 2023 09:12:01 +0000 Subject: [PATCH] drm/amd/display: Prevent vtotal from being set to 0 From Daniel Miess 15c94c3151d9fa86294efb4c6618cae44530e49b in linux-6.1.y/6.1.43 2a9482e55968ed7368afaa9c2133404069117320 in mainline linux --- sys/dev/pci/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/sys/dev/pci/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c b/sys/dev/pci/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c index a2a32cb9d57..8a88605827a 100644 --- a/sys/dev/pci/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c +++ b/sys/dev/pci/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c @@ -302,7 +302,11 @@ int dcn314_populate_dml_pipes_from_context_fpu(struct dc *dc, struct dc_state *c pipe = &res_ctx->pipe_ctx[i]; timing = &pipe->stream->timing; - pipes[pipe_cnt].pipe.dest.vtotal = pipe->stream->adjust.v_total_min; + if (pipe->stream->adjust.v_total_min != 0) + pipes[pipe_cnt].pipe.dest.vtotal = pipe->stream->adjust.v_total_min; + else + pipes[pipe_cnt].pipe.dest.vtotal = timing->v_total; + pipes[pipe_cnt].pipe.dest.vblank_nom = timing->v_total - pipes[pipe_cnt].pipe.dest.vactive; pipes[pipe_cnt].pipe.dest.vblank_nom = min(pipes[pipe_cnt].pipe.dest.vblank_nom, dcn3_14_ip.VBlankNomDefaultUS); pipes[pipe_cnt].pipe.dest.vblank_nom = max(pipes[pipe_cnt].pipe.dest.vblank_nom, timing->v_sync_width); -- 2.20.1