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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index a81a61f006c4..6216ceb790b4 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -3638,10 +3638,30 @@ static bool commit_minimal_transition_state(struct dc *dc,
bool temp_subvp_policy;
enum dc_status ret = DC_ERROR_UNEXPECTED;
unsigned int i, j;
+ unsigned int pipe_in_use = 0;
if (!transition_context)
return false;
+ /* check current pipes in use*/
+ for (i = 0; i < dc->res_pool->pipe_count; i++) {
+ struct pipe_ctx *pipe = &transition_base_context->res_ctx.pipe_ctx[i];
+
+ if (pipe->plane_state)
+ pipe_in_use++;
+ }
+
+ /* When the OS add a new surface if we have been used all of pipes with odm combine
+ * and mpc split feature, it need use commit_minimal_transition_state to transition safely.
+ * After OS exit MPO, it will back to use odm and mpc split with all of pipes, we need
+ * call it again. Otherwise return true to skip.
+ *
+ * Reduce the scenarios to use dc_commit_state_no_check in the stage of flip. Especially
+ * enter/exit MPO when DCN still have enough resources.
+ */
+ if (pipe_in_use != dc->res_pool->pipe_count)
+ return true;
+
if (!dc->config.is_vmin_only_asic) {
tmp_mpc_policy = dc->debug.pipe_split_policy;
dc->debug.pipe_split_policy = MPC_SPLIT_AVOID;