PIXEL_CLOCK_V4_MISC_COHERENT_MODE 1881 drivers/gpu/drm/amd/include/atombios.h #define PIXEL_CLOCK_V4_MISC_COHERENT_MODE           0x20
PIXEL_CLOCK_V4_MISC_COHERENT_MODE 1606 drivers/gpu/drm/radeon/atombios.h #define PIXEL_CLOCK_V4_MISC_COHERENT_MODE           0x20