PIXEL_CLOCK_V6_MISC_FORCE_PROG_PPLL 1985 drivers/gpu/drm/amd/include/atombios.h #define PIXEL_CLOCK_V6_MISC_FORCE_PROG_PPLL               0x01
PIXEL_CLOCK_V6_MISC_FORCE_PROG_PPLL 1709 drivers/gpu/drm/radeon/atombios.h #define PIXEL_CLOCK_V6_MISC_FORCE_PROG_PPLL					0x01