linux-kernel - Re: [EXTERNAL] [PATCH drm-misc-next v2 0/2] PowerVR VM fixes

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Date:   Tue, 5 Dec 2023 14:54:38 +0000
From:   Donald Robson <Donald.Robson@...tec.com>
To:     "daniel@...ll.ch" <daniel@...ll.ch>,
        Frank Binns <Frank.Binns@...tec.com>,
        Matt Coster <Matt.Coster@...tec.com>,
        "mripard@...nel.org" <mripard@...nel.org>,
        "airlied@...il.com" <airlied@...il.com>,
        "dakr@...hat.com" <dakr@...hat.com>,
        Sarah Walker <Sarah.Walker@...tec.com>
CC:     "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [EXTERNAL] [PATCH drm-misc-next v2 0/2] PowerVR VM fixes

Apologies, I didn't reply all last time.

Thanks Danilo!

Reviewed-by: Donald Robson <donald.robson@...tec.com>

On Wed, 2023-11-29 at 23:07 +0100, Danilo Krummrich wrote:
> *** CAUTION: This email originates from a source not known to Imagination Technologies. Think before you click a link or open an attachment ***
> 
> Hi,
> 
> Some major GPUVM changes landed just before v8 of the PowerVR series. Since v8
> went in rather quickly (review process was finished otherwise) I haven't had the
> chance to review the subsequent code changes.
> 
> Hence, this series with a few fixes in this context. Plus a minor GPUVM patch to
> make the drm_gpuvm_prepare_* helpers useful for PowerVR.
> 
> - Danilo
> 
> Changes in V2
> =============
> - GPUVM: update function DOC comment to indicate the passing zero fences to
>   drm_gpuvm_prepare_* functions results into drm_exec_lock_obj() calls rather
>   than drm_exec_prepare_obj() calls.
> - pvr/vm: use drm_gpuvm_exec wrappers
> - drop 3 patches which were applied already
> 
> Danilo Krummrich (2):
>   drm/gpuvm: fall back to drm_exec_lock_obj()
>   drm/imagination: vm: make use of GPUVM's drm_exec helper
> 
>  drivers/gpu/drm/drm_gpuvm.c          | 43 +++++++++++--
>  drivers/gpu/drm/imagination/pvr_vm.c | 91 +++++++++++-----------------
>  include/drm/drm_gpuvm.h              | 23 +------
>  3 files changed, 77 insertions(+), 80 deletions(-)
> 
> 
> base-commit: 83dc1029dcf50b5b849b26679a1b3f860b85d79c