diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 105 |
1 files changed, 80 insertions, 25 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 0962291b4782..258ba5a872b1 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1750,6 +1750,9 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c context->stream_count == 0) dc->hwss.prepare_bandwidth(dc, context); + if (dc->debug.enable_double_buffered_dsc_pg_support) + dc->hwss.update_dsc_pg(dc, context, false); + disable_dangling_plane(dc, context); /* re-program planes for existing stream, in case we need to * free up plane resource for later use @@ -1840,6 +1843,9 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c dc->hwss.optimize_bandwidth(dc, context); } + if (dc->debug.enable_double_buffered_dsc_pg_support) + dc->hwss.update_dsc_pg(dc, context, true); + if (dc->ctx->dce_version >= DCE_VERSION_MAX) TRACE_DCN_CLOCK_STATE(&context->bw_ctx.bw.dcn.clk); else @@ -2003,6 +2009,9 @@ void dc_post_update_surfaces_to_stream(struct dc *dc) dc->hwss.optimize_bandwidth(dc, context); + if (dc->debug.enable_double_buffered_dsc_pg_support) + dc->hwss.update_dsc_pg(dc, context, true); + dc->optimized_required = false; dc->wm_optimized_required = false; } @@ -3194,6 +3203,9 @@ static void commit_planes_for_stream(struct dc *dc, if (get_seamless_boot_stream_count(context) == 0) dc->hwss.prepare_bandwidth(dc, context); + if (dc->debug.enable_double_buffered_dsc_pg_support) + dc->hwss.update_dsc_pg(dc, context, false); + context_clock_trace(dc, context); } @@ -3517,11 +3529,59 @@ static void commit_planes_for_stream(struct dc *dc, } } +/* Determines if the incoming context requires a applying transition state with unnecessary + * pipe splitting and ODM disabled, due to hardware limitations. In a case where + * the OPP associated with an MPCC might change due to plane additions, this function + * returns true. + */ +static bool could_mpcc_tree_change_for_active_pipes(struct dc *dc, + struct dc_stream_state *stream, + int surface_count, + bool *is_plane_addition) +{ + + struct dc_stream_status *cur_stream_status = stream_get_status(dc->current_state, stream); + bool force_minimal_pipe_splitting = false; + + *is_plane_addition = false; + + if (cur_stream_status && + dc->current_state->stream_count > 0 && + dc->debug.pipe_split_policy != MPC_SPLIT_AVOID) { + /* determine if minimal transition is required due to MPC*/ + if (surface_count > 0) { + if (cur_stream_status->plane_count > surface_count) { + force_minimal_pipe_splitting = true; + } else if (cur_stream_status->plane_count < surface_count) { + force_minimal_pipe_splitting = true; + *is_plane_addition = true; + } + } + } + + if (cur_stream_status && + dc->current_state->stream_count == 1 && + dc->debug.enable_single_display_2to1_odm_policy) { + /* determine if minimal transition is required due to dynamic ODM*/ + if (surface_count > 0) { + if (cur_stream_status->plane_count > 2 && cur_stream_status->plane_count > surface_count) { + force_minimal_pipe_splitting = true; + } else if (surface_count > 2 && cur_stream_status->plane_count < surface_count) { + force_minimal_pipe_splitting = true; + *is_plane_addition = true; + } + } + } + + return force_minimal_pipe_splitting; +} + static bool commit_minimal_transition_state(struct dc *dc, struct dc_state *transition_base_context) { struct dc_state *transition_context = dc_create_state(dc); - enum pipe_split_policy tmp_policy; + enum pipe_split_policy tmp_mpc_policy; + bool temp_dynamic_odm_policy; enum dc_status ret = DC_ERROR_UNEXPECTED; unsigned int i, j; @@ -3529,10 +3589,13 @@ static bool commit_minimal_transition_state(struct dc *dc, return false; if (!dc->config.is_vmin_only_asic) { - tmp_policy = dc->debug.pipe_split_policy; + tmp_mpc_policy = dc->debug.pipe_split_policy; dc->debug.pipe_split_policy = MPC_SPLIT_AVOID; } + temp_dynamic_odm_policy = dc->debug.enable_single_display_2to1_odm_policy; + dc->debug.enable_single_display_2to1_odm_policy = false; + dc_resource_state_copy_construct(transition_base_context, transition_context); //commit minimal state @@ -3553,20 +3616,22 @@ static bool commit_minimal_transition_state(struct dc *dc, ret = dc_commit_state_no_check(dc, transition_context); } - //always release as dc_commit_state_no_check retains in good case + /*always release as dc_commit_state_no_check retains in good case*/ dc_release_state(transition_context); - //restore previous pipe split policy + /*restore previous pipe split and odm policy*/ if (!dc->config.is_vmin_only_asic) - dc->debug.pipe_split_policy = tmp_policy; + dc->debug.pipe_split_policy = tmp_mpc_policy; + + dc->debug.enable_single_display_2to1_odm_policy = temp_dynamic_odm_policy; if (ret != DC_OK) { - //this should never happen + /*this should never happen*/ BREAK_TO_DEBUGGER(); return false; } - //force full surface update + /*force full surface update*/ for (i = 0; i < dc->current_state->stream_count; i++) { for (j = 0; j < dc->current_state->stream_status[i].plane_count; j++) { dc->current_state->stream_status[i].plane_states[j]->update_flags.raw = 0xFFFFFFFF; @@ -3589,24 +3654,14 @@ bool dc_update_planes_and_stream(struct dc *dc, * cause underflow. Apply stream configuration with minimal pipe * split first to avoid unsupported transitions for active pipes. */ - bool force_minimal_pipe_splitting = false; - bool is_plane_addition = false; + bool force_minimal_pipe_splitting; + bool is_plane_addition; - struct dc_stream_status *cur_stream_status = stream_get_status(dc->current_state, stream); - - if (cur_stream_status && - dc->current_state->stream_count > 0 && - dc->debug.pipe_split_policy != MPC_SPLIT_AVOID) { - /* determine if minimal transition is required */ - if (surface_count > 0) { - if (cur_stream_status->plane_count > surface_count) { - force_minimal_pipe_splitting = true; - } else if (cur_stream_status->plane_count < surface_count) { - force_minimal_pipe_splitting = true; - is_plane_addition = true; - } - } - } + force_minimal_pipe_splitting = could_mpcc_tree_change_for_active_pipes( + dc, + stream, + surface_count, + &is_plane_addition); /* on plane addition, minimal state is the current one */ if (force_minimal_pipe_splitting && is_plane_addition && @@ -3623,7 +3678,7 @@ bool dc_update_planes_and_stream(struct dc *dc, &context)) return false; - /* on plane addition, minimal state is the new one */ + /* on plane removal, minimal state is the new one */ if (force_minimal_pipe_splitting && !is_plane_addition) { if (!commit_minimal_transition_state(dc, context)) { dc_release_state(context); |