Re: Use of pci_map_page in nouveau, radeon TTM.

2013-10-03 Thread Alex Ivanov
01.10.2013, 18:16, "Konrad Rzeszutek Wilk" : > On Tue, Oct 01, 2013 at 12:16:16PM +0200, Thomas Hellstrom wrote: > >>  Jerome, Konrad >> >>  Forgive an ignorant question, but it appears like both Nouveau and >>  Radeon may use pci_map_page() when populating TTMs on >>  pages obtained using the ordi

Re: Use of pci_map_page in nouveau, radeon TTM.

2013-10-01 Thread Konrad Rzeszutek Wilk
On Tue, Oct 01, 2013 at 12:16:16PM +0200, Thomas Hellstrom wrote: > Jerome, Konrad > > Forgive an ignorant question, but it appears like both Nouveau and > Radeon may use pci_map_page() when populating TTMs on > pages obtained using the ordinary (not DMA pool). These pages will, > if I understand

Re: Use of pci_map_page in nouveau, radeon TTM.

2013-10-01 Thread Lucas Stach
Am Dienstag, den 01.10.2013, 13:13 +0200 schrieb Thomas Hellstrom: > On 10/01/2013 12:34 PM, Lucas Stach wrote: > > Am Dienstag, den 01.10.2013, 12:16 +0200 schrieb Thomas Hellstrom: > >> Jerome, Konrad > >> > >> Forgive an ignorant question, but it appears like both Nouveau and > >> Radeon may use

Re: Use of pci_map_page in nouveau, radeon TTM.

2013-10-01 Thread Thomas Hellstrom
On 10/01/2013 12:34 PM, Lucas Stach wrote: Am Dienstag, den 01.10.2013, 12:16 +0200 schrieb Thomas Hellstrom: Jerome, Konrad Forgive an ignorant question, but it appears like both Nouveau and Radeon may use pci_map_page() when populating TTMs on pages obtained using the ordinary (not DMA pool).

Re: Use of pci_map_page in nouveau, radeon TTM.

2013-10-01 Thread Lucas Stach
Am Dienstag, den 01.10.2013, 12:16 +0200 schrieb Thomas Hellstrom: > Jerome, Konrad > > Forgive an ignorant question, but it appears like both Nouveau and > Radeon may use pci_map_page() when populating TTMs on > pages obtained using the ordinary (not DMA pool). These pages will, if I > understa

Use of pci_map_page in nouveau, radeon TTM.

2013-10-01 Thread Thomas Hellstrom
Jerome, Konrad Forgive an ignorant question, but it appears like both Nouveau and Radeon may use pci_map_page() when populating TTMs on pages obtained using the ordinary (not DMA pool). These pages will, if I understand things correctly, not be pages allocated with DMA_ALLOC_COHERENT. From wh