Hi Sekhar, On Wed, Oct 3, 2012 at 4:08 PM, Sekhar Nori <nsek...@ti.com> wrote: > On 10/3/2012 12:05 PM, Prabhakar wrote: >> From: Lad, Prabhakar <prabhakar....@ti.com> >> >> while testing display on dm644x, for ED out-range signals >> was observed. This patch fixes appropriate clock setting >> for ED. > > Can you please clarify what you mean by "out range signal"? Are there > any user visible artifacts on the display? What was the clock being > provided earlier and what is the value after this patch? > > Also, is the issue severe enough that this patch should be applied to > stable tree as well? > Ideally a clock of 54Mhz is required for enhanced definition to work, which it was actually set to but while testing I noticed out-of-range signal. The out-of-range signal is often caused when the field rate is above the rate that the television will handle. When this is the case the TV or monitor displays "Out-Of-Range Signal".
Reducing the clock fixed it. now the clock is set to 27Mhz. Regards, --Prabhakar > Thanks, > Sekhar -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
