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

