[PATCH 1/2] drm/i915/gvt: Add more edid definition support

[Zhenyu Wang]

On 2017.02.24 07:07:17 +0800, Zhiyuan Lv wrote:
> > > +/* EDID with 1920x1080 as its resolution */
> > > +		/*Header*/
> > > +		0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
> > > +		/* Vendor & Product Identification */
> > > +		0x22, 0xf0, 0x54, 0x29, 0x00, 0x00, 0x00, 0x00, 0x04, 0x17,
> > > +		/* Version & Revision */
> > > +		0x01, 0x04,
> > > +		/* Basic Display Parameters & Features */
> > > +		0xa5, 0x34, 0x20, 0x78, 0x23,
> > > +		/* Color Characteristics */
> > > +		0xfc, 0x81, 0xa4, 0x55, 0x4d, 0x9d, 0x25, 0x12, 0x50, 0x54,
> > > +		/* Established Timings: maximum resolution is 1024x768 */
> > > +		0x21, 0x08, 0x00,
> > > +		/*
> > > +		 * Standard Timings.
> > > +		 * below new resolutions can be supported:
> > > +		 * 1920x1080, 1280x720, 1280x960, 1280x1024,
> > > +		 * 1440x900, 1600x1200, 1680x1050
> > > +		 */
> > > +		0xd1, 0xc0, 0x81, 0xc0, 0x81, 0x40, 0x81, 0x80, 0x95, 0x00,
> > > +		0xa9, 0x40, 0xb3, 0x00, 0x01, 0x01,
> > > +		/* 18 Byte Data Blocks 1: max resolution is 1920x1200 */
> 
> The intended resolution is 1920x1080 but here time timing seems to be
> 1920x1200 according to the comments? Thanks!
> 

1920x1200 is in detailed timing. This is original from Chuanxiao and
EDID decoded as:

Extracted contents:
header:          00 ff ff ff ff ff ff 00
serial number:   22 f0 54 29 00 00 00 00 04 17
version:         01 04
basic params:    a5 34 20 78 23
chroma info:     fc 81 a4 55 4d 9d 25 12 50 54
established:     21 08 00
standard:        d1 c0 81 c0 81 40 81 80 95 00 a9 40 b3 00 01 01
descriptor 1:    28 3c 80 a0 70 b0 23 40 30 20 36 00 06 44 21 00 00 1a
descriptor 2:    00 00 00 fd 00 18 3c 18 50 11 00 0a 20 20 20 20 20 20
descriptor 3:    00 00 00 fc 00 48 50 20 5a 52 32 34 34 30 77 0a 20 20
descriptor 4:    00 00 00 ff 00 43 4e 34 33 30 34 30 44 58 51 0a 20 20
extensions:      00
checksum:        45

Manufacturer: HWP Model 2954 Serial Number 0
Made week 4 of 2013
EDID version: 1.4
Digital display
8 bits per primary color channel
DisplayPort interface
Maximum image size: 52 cm x 32 cm
Gamma: 2.20
DPMS levels: Off
Supported color formats: RGB 4:4:4
First detailed timing is preferred timing
Supports GTF timings within operating range
Established timings supported:
  640x480 at 60Hz
  800x600 at 60Hz
  1024x768 at 60Hz
Standard timings supported:
  1920x1080 at 60Hz
  1280x720 at 60Hz
  1280x960 at 60Hz
  1280x1024 at 60Hz
  1440x900 at 60Hz
  1600x1200 at 60Hz
  1680x1050 at 60Hz
Detailed mode: Clock 154.000 MHz, 518 mm x 324 mm
               1920 1968 2000 2080 hborder 0
               1200 1203 1209 1235 vborder 0
               +hsync -vsync
Monitor ranges (GTF): 24-60Hz V, 24-80kHz H, max dotclock 170MHz
Monitor name: HP
Serial number: CN43040DXQ
Checksum: 0x45 (valid)
EDID block does NOT conform to EDID 1.3!
    Detailed block string not properly terminated

-- 
Open Source Technology Center, Intel ltd.

$gpg --keyserver wwwkeys.pgp.net --recv-keys 4D781827
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 163 bytes
Desc: not available
URL: <https://lists.freedesktop.org/archives/intel-gvt-dev/attachments/20170224/31a51e62/attachment.sig>