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-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index dc3aa7debad5..e3cd3e3db2c4 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -1284,6 +1284,12 @@ enum dc_status dcn20_add_stream_to_ctx(struct dc *dc, struct dc_state *new_ctx,
if (pipe_ctx->stream != dc_stream)
continue;
+ if (IS_DIAG_DC(dc->ctx->dce_environment) ||
+ dc->res_pool->res_cap->num_dsc == 1) {
+ // Diags build can also run on platforms that have fewer DSCs than pipes.
+ // In that case, add DSC only if needed by timing.
+ is_add_dsc = (dc_stream->timing.flags.DSC == 1);
+ }
if (is_add_dsc) {
pipe_ctx->stream_res.dsc = acquire_dsc(&new_ctx->res_ctx, pool);