>-Original Message-
>From: Intel-gfx On Behalf Of
>Matthew Auld
>Sent: Wednesday, January 20, 2021 12:46 PM
>To: Chris Wilson
>Cc: Intel Graphics Development ; Auld,
>Matthew
>Subject: Re: [Intel-gfx] [PATCH] drm/i915/gem: Allow importing of shmemfs
>object
On 21/01/2021 11:03, Chris Wilson wrote:
Quoting Tvrtko Ursulin (2021-01-21 11:00:25)
On 20/01/2021 20:59, Chris Wilson wrote:
Quoting Chris Wilson (2021-01-20 18:06:08)
Quoting Matthew Auld (2021-01-20 17:46:10)
On Wed, 20 Jan 2021 at 15:40, Chris Wilson wrote:
If we import a shmemfs o
Quoting Tvrtko Ursulin (2021-01-21 11:00:25)
>
> On 20/01/2021 20:59, Chris Wilson wrote:
> > Quoting Chris Wilson (2021-01-20 18:06:08)
> >> Quoting Matthew Auld (2021-01-20 17:46:10)
> >>> On Wed, 20 Jan 2021 at 15:40, Chris Wilson
> >>> wrote:
>
> If we import a shmemfs object betwe
On 20/01/2021 20:59, Chris Wilson wrote:
Quoting Chris Wilson (2021-01-20 18:06:08)
Quoting Matthew Auld (2021-01-20 17:46:10)
On Wed, 20 Jan 2021 at 15:40, Chris Wilson wrote:
If we import a shmemfs object between devices, for example from
Tigerlake to DG1, we can simply reuse the native
Quoting Chris Wilson (2021-01-20 18:06:08)
> Quoting Matthew Auld (2021-01-20 17:46:10)
> > On Wed, 20 Jan 2021 at 15:40, Chris Wilson wrote:
> > >
> > > If we import a shmemfs object between devices, for example from
> > > Tigerlake to DG1, we can simply reuse the native object and its backing
>
Hi Chris,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on drm-tip/drm-tip v5.11-rc4 next-20210120]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use
On Wed, 20 Jan 2021 at 15:40, Chris Wilson wrote:
>
> If we import a shmemfs object between devices, for example from
> Tigerlake to DG1, we can simply reuse the native object and its backing
> store.
Hmmm interesting, so does that include re-using the actual sg mapping
for the backing pages? Doe
If we import a shmemfs object between devices, for example from
Tigerlake to DG1, we can simply reuse the native object and its backing
store.
Suggested-by: Imre Deak
Signed-off-by: Chris Wilson
Cc: Matthew Auld
Cc: Imre Deak
---
drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c | 7 +++
1 file