Re: Radeon 4250 takes too much memory
On 2017-12-13 12:55 AM, Erich Minderlein wrote:
>
> Hi Unknown
> I hope to address my question to the right person, who can answer with
> ease or redirect my question to the right person.
>
> I have a laptop hp 625, low budget, with currently 1 GB RAM, of which
> the Radeon 4250 occupies 256 MB shared RAM.
>
> Needed are only 64 MByte from the grafic card.
>
> I would like to reduce this amount, but I do not know which parameters
> must be given to the kernel, and/or to the radeon module.
This is up to the BIOS, the kernel (driver) can't do anything about it.
If the BIOS setup doesn't allow changing it, you're out of luck.
> The details are in attached file.
lspci might not be accurate for this, try
dmesg | grep VRAM
> There are incosistencies in the Documentation , on one place it is said,
> that vramlimit must be given as a number 0 to ,, and this will be the
> power of two in MBytes.On another place it is written that MBytes shall
> be given straight.
The vramlimit parameter only affects how much of the reserved memory is
actually used by the driver. The remaining reserved memory cannot be
used for anything else.
--
Earthling Michel Dänzer | http://www.amd.com
Libre software enthusiast | Mesa and X developer
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