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Re: [Qemu-devel] Questions about EDID
From: |
Mark Cave-Ayland |
Subject: |
Re: [Qemu-devel] Questions about EDID |
Date: |
Thu, 28 Feb 2019 06:01:30 +0000 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 |
On 28/02/2019 05:49, Gerd Hoffmann wrote:
> Hi,
>
>> Right, at the moment all the MacOS driver does is parse the resolution list
>> from the
>> EDID and add them to the dropdown list - it doesn't support the xres and
>> yres properties.
>
>> The main reason for this that OpenBIOS currently makes use of the -g XxYxD
>> parameter
>> to set up the display resolution and bit depth, and AFAICT we currently only
>> have
>> access to the X and Y resolutions via the EDID blob. So it's not clear
>> whether EDID
>> can completely replace the existing mechanism yet.
>
> EDID can only propagate x + y, not depth.
Right - my quick reading online was that there was very limited depth
capability, and
certainly nothing greater than 16-bit.
Rather than duplicating these parameters, would it make sense to come up with a
custom QEMU extension block to hold the extra depth information?
ATB,
Mark.
- [Qemu-devel] Questions about EDID, G 3, 2019/02/25
- Re: [Qemu-devel] Questions about EDID, Gerd Hoffmann, 2019/02/25
- Re: [Qemu-devel] Questions about EDID, Programmingkid, 2019/02/25
- Re: [Qemu-devel] Questions about EDID, Gerd Hoffmann, 2019/02/26
- Re: [Qemu-devel] Questions about EDID, G 3, 2019/02/26
- Re: [Qemu-devel] Questions about EDID, Gerd Hoffmann, 2019/02/27
- Re: [Qemu-devel] Questions about EDID, Programmingkid, 2019/02/27
- Re: [Qemu-devel] Questions about EDID, Mark Cave-Ayland, 2019/02/28
- Re: [Qemu-devel] Questions about EDID, Gerd Hoffmann, 2019/02/28
- Re: [Qemu-devel] Questions about EDID,
Mark Cave-Ayland <=
- Re: [Qemu-devel] Questions about EDID, Gerd Hoffmann, 2019/02/28
- Re: [Qemu-devel] Questions about EDID, Mark Cave-Ayland, 2019/02/28
- Re: [Qemu-devel] Questions about EDID, G 3, 2019/02/28