Re: [Intel-gfx] [RFC] drm/i195: Add flag to enable virtual mappings above 4Gb

2015-03-19 Thread Daniel Vetter
On Wed, Mar 18, 2015 at 04:57:53PM +, Nick Hoath wrote: Wa32bitGeneralStateOffset Wa32bitInstructionBaseOffset hardware workarounds require that GeneralStateOffset InstructionBaseOffset are restricted to a 32 bit address space. This is a preparatory patch prior to supporting 64bit

[Intel-gfx] [RFC] drm/i195: Add flag to enable virtual mappings above 4Gb

2015-03-18 Thread Nick Hoath
Wa32bitGeneralStateOffset Wa32bitInstructionBaseOffset hardware workarounds require that GeneralStateOffset InstructionBaseOffset are restricted to a 32 bit address space. This is a preparatory patch prior to supporting 64bit virtual memory allocations. Allow the user space to flag that a

Re: [Intel-gfx] [RFC] drm/i195: Add flag to enable virtual mappings above 4Gb

2015-03-18 Thread Tvrtko Ursulin
On 03/18/2015 04:57 PM, Nick Hoath wrote: Wa32bitGeneralStateOffset Wa32bitInstructionBaseOffset hardware workarounds require that GeneralStateOffset InstructionBaseOffset are restricted to a 32 bit address space. This is a preparatory patch prior to supporting 64bit virtual memory