[PATCH v3] drm/edid: Complete CEA modedb(VIC 1-107)

Sharma, Shashank shashank.sharma at intel.com
Mon Jan 30 08:46:53 UTC 2017


Fixed typo while adding Ville's mail address.

Regards
Shashank
On 1/30/2017 2:15 PM, Sharma, Shashank wrote:
> Regards
>
> Shashank
>
>
> On 1/30/2017 1:30 PM, Andrzej Hajda wrote:
>> On 29.01.2017 06:41, Shashank Sharma wrote:
>>> CEA-861-F specs defines new 4k video modes to be used with
>>> HDMI 2.0 EDIDs. These modes start at VIC=93 and go all the
>>> way till VIC=107.
>>>
>>> Our existing CEA modedb contains only 64 modes (VIC=1 to VIC=64). Now
>>> to be able to parse 4k modes using the existing techniques, we have
>>> to complete the modedb (VIC=65 onwards).
>>>
>>> This patch adds:
>>> - Timings for existing CEA video modes (from VIC=65 till VIC=92)
>>> - Newly added 4k modes (from VIC=93 to VIC=107).
>>>
>>> Cc: Jose Abreu <Jose.Abreu at synopsys.com>
>>> Cc: Alex Deucher <alexander.deucher at amd.com>
>>> Cc: Andrzej Hajda <a.hajda at samsung.com>
>>>
>>> V2: Addressed review comments from Jose:
>>> - fix the timings for VIC 83, 90 and 91
>>> - fix formatting for VIC 93-107
>>>
>>> V3: Rebase on drm-tip
>>>
>>> Signed-off-by: Shashank Sharma <shashank.sharma at intel.com>
>>> Signed-off-by: Sonika Jindal <sonika.jindal at intel.com>
>>> Reviewed-by: Jose Abreu <Jose.Abreu at synopsys.com>
>>> Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
>>> ---
>> Have you addressed in some other patch my concerns regarding polluting
>> infoframes generated for HDMI 1.4 devices (CEA-861-E) with VICs specific
>> only for HDMI 2.0 (CEA-861-F) ? It will happen
>> for all UHD modes, see [1][2] for previous discussion.
> Hello Andrzej
>
> As you already know, the aspect ratio is indexed with the VIC, which 
> comes from EDID.
> Now, why would a HDMI 1.4 monitor, contain a HDMI 2.0 VIC ? If it 
> does, its not compliant.
>
> - Shashank
>> [1]: https://www.spinics.net/lists/intel-gfx/msg110524.html
>> [2]: https://www.spinics.net/lists/intel-gfx/msg110529.html
>>
>> Regards
>> Andrzej
>>
>



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