diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c index ef0a42f2933d..ebe55b74ca3f 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c @@ -1561,16 +1561,28 @@ static void update_dsc_for_odm_change(struct dc *dc, struct dc_state *context, struct pipe_ctx *new_pipe; struct pipe_ctx *old_opp_heads[MAX_PIPES]; struct dccg *dccg = dc->res_pool->dccg; - struct pipe_ctx *old_otg_master = - &dc->current_state->res_ctx.pipe_ctx[otg_master->pipe_idx]; - int old_opp_head_count = resource_get_opp_heads_for_otg_master( - old_otg_master, &dc->current_state->res_ctx, - old_opp_heads); + struct pipe_ctx *old_otg_master; + int old_opp_head_count = 0; + + old_otg_master = &dc->current_state->res_ctx.pipe_ctx[otg_master->pipe_idx]; + + if (resource_is_pipe_type(old_otg_master, OTG_MASTER)) { + old_opp_head_count = resource_get_opp_heads_for_otg_master(old_otg_master, + &dc->current_state->res_ctx, + old_opp_heads); + } else { + // DC cannot assume that the current state and the new state + // share the same OTG pipe since this is not true when called + // in the context of a commit stream not checked. Hence, set + // old_otg_master to NULL to skip the DSC configuration. + old_otg_master = NULL; + } + if (otg_master->stream_res.dsc) dcn32_update_dsc_on_stream(otg_master, otg_master->stream->timing.flags.DSC); - if (old_otg_master->stream_res.dsc) { + if (old_otg_master && old_otg_master->stream_res.dsc) { for (i = 0; i < old_opp_head_count; i++) { old_pipe = old_opp_heads[i]; new_pipe = &context->res_ctx.pipe_ctx[old_pipe->pipe_idx]; |