VCLK31_5 218 drivers/gpu/drm/ast/ast_tables.h { 832, 640, 16, 40, 520, 480, 1, 3, VCLK31_5, /* 72Hz */ VCLK31_5 220 drivers/gpu/drm/ast/ast_tables.h { 840, 640, 16, 64, 500, 480, 1, 3, VCLK31_5, /* 75Hz */