[mythtv-users] So close, but not quite - a 1080i modeline for my HDTV CRT

[Sasha Z]

On 6/3/06, Matt Mossholder <matt at mossholder.com> wrote:
> On Sat, 2006-06-03 at 12:09 -0400, Sasha Z wrote:
> > I used read-edid and parse-edid to get the 1080i modeline for my CRT.
> > I turned off most mode validation methods to make sure that it was
> > selected as a valid mode. When X starts up, it does indeed select my
> > specified mode. It runs in a 1920x540 meta mode. The CRT comes up with
> > the mode ok, but it only takes up half the vertical resolution.
> >
>
> Sasha,
>
>         It looks to me like the modeline you entered is the 1920x540p modeline,
> with "interlaced" tacked on the end. I would look more like this for a
> custom modeline:
>
> ModeLine "ATSC-1080-60i"    74.25 1920 1960 2016 2200  1080 1082 1088
> 1125 Interlace
>
>         You'll notice that the last 4 numbers are all around 1080... these all
> have to do with the vertical resolution. Yours are all around 540. It
> looks like the nVIDIA driver is running 1920x540i inside 1920x1080i
> timings. The bounding box size also seems to indicate this.
>
>
>         Have you tried enabling EDID with the following device options:
>
>         Option          "UseEdidFreqs"          "true"
>         Option          "UseEDID"               "true"
>         Option          "ModeValidation"        "NoVertRefreshCheck"
>
>         and then using the autodefined "1920x1080_120i" resolution?
>
>         You may need to disable OpenGL vblank for this to work for video. I
> know I did.
>
>                 --Matt

So is my TV basically admitting to not doing 1080i like the box says?


(--) NVIDIA(0): --- EDID for TSB TSB-H85s (DFP-0) ---
(--) NVIDIA(0): EDID Version                 : 1.3
(--) NVIDIA(0): Manufacturer                 : TSB
(--) NVIDIA(0): Monitor Name                 : TSB TSB-H85s
(--) NVIDIA(0): Product ID                   : 258
(--) NVIDIA(0): 32-bit Serial Number         : 0
(--) NVIDIA(0): Serial Number String         :
(--) NVIDIA(0): Manufacture Date             : 2005, week 0
(--) NVIDIA(0): DPMS Capabilities            :
(--) NVIDIA(0): Prefer first detailed timing : Yes
(--) NVIDIA(0): Supports GTF                 : No
(--) NVIDIA(0): Maximum Image Size           : 160mm x 90mm
(--) NVIDIA(0): Valid HSync Range            : 14 kHz - 46 kHz
(--) NVIDIA(0): Valid VRefresh Range         : 56 Hz - 61 Hz
(--) NVIDIA(0): EDID maximum pixel clock     : 80.0 MHz
(--) NVIDIA(0):
(--) NVIDIA(0): Detailed Timings:
(--) NVIDIA(0):   1920 x 1080 @ 60 Hz
(--) NVIDIA(0):     Pixel Clock      : 74.25 MHz
(--) NVIDIA(0):     HRes, HSyncStart : 1920, 2008
(--) NVIDIA(0):     HSyncEnd, HTotal : 2052, 2200
(--) NVIDIA(0):     VRes, VSyncStart : 540, 542
(--) NVIDIA(0):     VSyncEnd, VTotal : 547, 562
(--) NVIDIA(0):     H/V Polarity     : +/+
(--) NVIDIA(0):     Extra            : Interlaced
(--) NVIDIA(0):   720  x 480  @ 60 Hz
(--) NVIDIA(0):     Pixel Clock      : 27.00 MHz
(--) NVIDIA(0):     HRes, HSyncStart : 720, 736
(--) NVIDIA(0):     HSyncEnd, HTotal : 798, 858
(--) NVIDIA(0):     VRes, VSyncStart : 480, 489
(--) NVIDIA(0):     VSyncEnd, VTotal : 495, 525
(--) NVIDIA(0):     H/V Polarity     : -/-
(--) NVIDIA(0):   1280 x 720  @ 60 Hz
(--) NVIDIA(0):     Pixel Clock      : 74.25 MHz
(--) NVIDIA(0):     HRes, HSyncStart : 1280, 1390
(--) NVIDIA(0):     HSyncEnd, HTotal : 1430, 1650
(--) NVIDIA(0):     VRes, VSyncStart : 720, 725
(--) NVIDIA(0):     VSyncEnd, VTotal : 730, 750
(--) NVIDIA(0):     H/V Polarity     : +/+