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path: root/drivers/gpu/drm/amd/display/dc/core/dc.c
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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.c36
1 files changed, 35 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 52564b93f7eb..7cde67b7f0c3 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1981,6 +1981,9 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c
return result;
}
+static bool commit_minimal_transition_state(struct dc *dc,
+ struct dc_state *transition_base_context);
+
/**
* dc_commit_streams - Commit current stream state
*
@@ -2002,6 +2005,8 @@ enum dc_status dc_commit_streams(struct dc *dc,
struct dc_state *context;
enum dc_status res = DC_OK;
struct dc_validation_set set[MAX_STREAMS] = {0};
+ struct pipe_ctx *pipe;
+ bool handle_exit_odm2to1 = false;
if (dc->ctx->dce_environment == DCE_ENV_VIRTUAL_HW)
return res;
@@ -2026,6 +2031,22 @@ enum dc_status dc_commit_streams(struct dc *dc,
}
}
+ /* Check for case where we are going from odm 2:1 to max
+ * pipe scenario. For these cases, we will call
+ * commit_minimal_transition_state() to exit out of odm 2:1
+ * first before processing new streams
+ */
+ if (stream_count == dc->res_pool->pipe_count) {
+ for (i = 0; i < dc->res_pool->pipe_count; i++) {
+ pipe = &dc->current_state->res_ctx.pipe_ctx[i];
+ if (pipe->next_odm_pipe)
+ handle_exit_odm2to1 = true;
+ }
+ }
+
+ if (handle_exit_odm2to1)
+ res = commit_minimal_transition_state(dc, dc->current_state);
+
context = dc_create_state(dc);
if (!context)
goto context_alloc_fail;
@@ -3872,6 +3893,7 @@ static bool commit_minimal_transition_state(struct dc *dc,
unsigned int i, j;
unsigned int pipe_in_use = 0;
bool subvp_in_use = false;
+ bool odm_in_use = false;
if (!transition_context)
return false;
@@ -3900,6 +3922,18 @@ static bool commit_minimal_transition_state(struct dc *dc,
}
}
+ /* If ODM is enabled and we are adding or removing planes from any ODM
+ * pipe, we must use the minimal transition.
+ */
+ for (i = 0; i < dc->res_pool->pipe_count; i++) {
+ struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i];
+
+ if (pipe->stream && pipe->next_odm_pipe) {
+ odm_in_use = true;
+ break;
+ }
+ }
+
/* 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
@@ -3908,7 +3942,7 @@ static bool commit_minimal_transition_state(struct dc *dc,
* 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 && !subvp_in_use) {
+ if (pipe_in_use != dc->res_pool->pipe_count && !subvp_in_use && !odm_in_use) {
dc_release_state(transition_context);
return true;
}