Re: [Intel-gfx] [PATCH 0/6] drm/i915: Failsafe migration blits

2021-10-14 Thread Thomas Hellström
Hi, Dave, On 10/14/21 03:50, Dave Airlie wrote: On Fri, 8 Oct 2021 at 23:36, Thomas Hellström wrote: This patch series introduces failsafe migration blits. The reason for this seemingly strange concept is that if the initial clearing or readback of LMEM fails for some reason, and we then set

Re: [Intel-gfx] [PATCH 0/6] drm/i915: Failsafe migration blits

2021-10-13 Thread Dave Airlie
On Fri, 8 Oct 2021 at 23:36, Thomas Hellström wrote: > > This patch series introduces failsafe migration blits. > The reason for this seemingly strange concept is that if the initial > clearing or readback of LMEM fails for some reason, and we then set up > either GPU- or CPU ptes to the

[Intel-gfx] [PATCH 0/6] drm/i915: Failsafe migration blits

2021-10-08 Thread Thomas Hellström
This patch series introduces failsafe migration blits. The reason for this seemingly strange concept is that if the initial clearing or readback of LMEM fails for some reason, and we then set up either GPU- or CPU ptes to the allocated LMEM, we can expose old contents from other clients. So after