Hi Sekhar, On Wed, Oct 3, 2012 at 4:08 PM, Sekhar Nori <[email protected]> wrote: > On 10/3/2012 12:05 PM, Prabhakar wrote: >> From: Lad, Prabhakar <[email protected]> >> >> 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 _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
