MODE_IS_VALID
#define MODE_IS_VALID(m) ((sc->ramdac_freq >= (m)->dot_clock) && \
#define MODE_IS_VALID(m) (((m)->hdisplay < 2048) && \
#define MODE_IS_VALID(m) (((m)->hdisplay < 2048))
#define MODE_IS_VALID(m, mclk) (((m)->dot_clock <= (mclk)) && \