Commit 6dbebf4d authored Apr 05, 2020 by Joshua Aberback Committed by Alex Deucher Apr 07, 2020

drm/amd/display: Acknowledge wm_optimized_required



[Why]
If dc->clk_mgr->funcs->are_clock_states_equal is set, then
wm_optimized_required is never checked. In that case, when going from a
higher mode to a lower mode, wm_optimized_required remains true until
the next mode change.

[How]
 - move from else-if to unconditional or

Signed-off-by: Joshua Aberback <joshua.aberback@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent d243b6ff

drivers/gpu/drm/amd/display/dc/core/dc.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -1861,8 +1861,9 @@ enum surface_update_type dc_check_update_surfaces_for_stream(
		// Else we fallback to mem compare.
		} else if (memcmp(&dc->current_state->bw_ctx.bw.dcn.clk, &dc->clk_mgr->clks, offsetof(struct dc_clocks, prev_p_state_change_support)) != 0) {
		dc->optimized_required = true;
		} else if (dc->wm_optimized_required)
		dc->optimized_required = true;
		}

		dc->optimized_required \|= dc->wm_optimized_required;
		}

		return type;

Admin message