* FirePro W600 problem
@ 2014-10-08 20:41 Andrey Germakovski
2014-10-13 15:39 ` Alex Deucher
0 siblings, 1 reply; 4+ messages in thread
From: Andrey Germakovski @ 2014-10-08 20:41 UTC (permalink / raw)
To: dri-devel@lists.freedesktop.org
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FirePro W600 does not work with more than 4 monitors,
After 5th monitor attached X acting very slow.
Or if I call drmModeSetCrtc function 5 times one time for each of the monitors, it failing out
Andrey
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: FirePro W600 problem
2014-10-08 20:41 FirePro W600 problem Andrey Germakovski
@ 2014-10-13 15:39 ` Alex Deucher
2014-10-14 6:29 ` Michel Dänzer
0 siblings, 1 reply; 4+ messages in thread
From: Alex Deucher @ 2014-10-13 15:39 UTC (permalink / raw)
To: Andrey Germakovski; +Cc: dri-devel@lists.freedesktop.org
On Wed, Oct 8, 2014 at 4:41 PM, Andrey Germakovski
<germakovskia@ainfosec.com> wrote:
> FirePro W600 does not work with more than 4 monitors,
>
>
>
> After 5th monitor attached X acting very slow.
>
>
>
> Or if I call drmModeSetCrtc function 5 times one time for each of the
> monitors, it failing out
I suspect you are running out of CPU accessible vram depending on your
configuration. There are patches for mesa and the kernel to allow the
use of non-CPU accessible vram for display buffers in kernel 3.17 and
mesa git so you might try a newer kernel and mesa.
Alex
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: FirePro W600 problem
2014-10-13 15:39 ` Alex Deucher
@ 2014-10-14 6:29 ` Michel Dänzer
2014-10-14 12:47 ` Alex Deucher
0 siblings, 1 reply; 4+ messages in thread
From: Michel Dänzer @ 2014-10-14 6:29 UTC (permalink / raw)
To: Alex Deucher, Andrey Germakovski; +Cc: dri-devel@lists.freedesktop.org
On 14.10.2014 00:39, Alex Deucher wrote:
> On Wed, Oct 8, 2014 at 4:41 PM, Andrey Germakovski
> <germakovskia@ainfosec.com> wrote:
>> FirePro W600 does not work with more than 4 monitors,
>>
>>
>>
>> After 5th monitor attached X acting very slow.
>>
>>
>>
>> Or if I call drmModeSetCrtc function 5 times one time for each of the
>> monitors, it failing out
>
> I suspect you are running out of CPU accessible vram depending on your
> configuration. There are patches for mesa and the kernel to allow the
> use of non-CPU accessible vram for display buffers in kernel 3.17 and
> mesa git so you might try a newer kernel and mesa.
The kernel changes for that will only be in 3.18, right?
--
Earthling Michel Dänzer | http://www.amd.com
Libre software enthusiast | Mesa and X developer
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: FirePro W600 problem
2014-10-14 6:29 ` Michel Dänzer
@ 2014-10-14 12:47 ` Alex Deucher
0 siblings, 0 replies; 4+ messages in thread
From: Alex Deucher @ 2014-10-14 12:47 UTC (permalink / raw)
To: Michel Dänzer; +Cc: dri-devel@lists.freedesktop.org
On Tue, Oct 14, 2014 at 2:29 AM, Michel Dänzer <michel@daenzer.net> wrote:
> On 14.10.2014 00:39, Alex Deucher wrote:
>>
>> On Wed, Oct 8, 2014 at 4:41 PM, Andrey Germakovski
>> <germakovskia@ainfosec.com> wrote:
>>>
>>> FirePro W600 does not work with more than 4 monitors,
>>>
>>>
>>>
>>> After 5th monitor attached X acting very slow.
>>>
>>>
>>>
>>> Or if I call drmModeSetCrtc function 5 times one time for each of the
>>> monitors, it failing out
>>
>>
>> I suspect you are running out of CPU accessible vram depending on your
>> configuration. There are patches for mesa and the kernel to allow the
>> use of non-CPU accessible vram for display buffers in kernel 3.17 and
>> mesa git so you might try a newer kernel and mesa.
>
>
> The kernel changes for that will only be in 3.18, right?
Oh, right, 3.18. Sorry. Please try 3.18.
Alex
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^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2014-10-14 12:47 UTC | newest]
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2014-10-08 20:41 FirePro W600 problem Andrey Germakovski
2014-10-13 15:39 ` Alex Deucher
2014-10-14 6:29 ` Michel Dänzer
2014-10-14 12:47 ` Alex Deucher
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