linux-kernel - Re: [Intel-xe] [PATCH v2 0/4] drm/xe/gsc: add initial gsc support

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Message-ID: <ZQh1klXZSf9/qqf5@intel.com>
Date:   Mon, 18 Sep 2023 12:06:42 -0400
From:   Rodrigo Vivi <rodrigo.vivi@...el.com>
To:     Alexander Usyskin <alexander.usyskin@...el.com>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Lucas De Marchi <lucas.demarchi@...el.com>,
        Daniele Ceraolo Spurio <daniele.ceraolospurio@...el.com>,
        <linux-kernel@...r.kernel.org>,
        "Tomas Winkler" <tomas.winkler@...el.com>,
        <intel-xe@...ts.freedesktop.org>
Subject: Re: [Intel-xe] [PATCH v2 0/4] drm/xe/gsc: add initial gsc support

On Thu, Sep 14, 2023 at 11:01:34AM +0300, Alexander Usyskin wrote:
> Add initial GSC support for DG1 and DG2.
> Create mei-gscfi auxiliary device and add
> support for device created by Xe to the mei-gsc driver.

why are we not adding the GSC already? because dependency on the GSC
engine or something like that?

> 
> This series intended to be merged intto Xe tree,
> the only patch that touches char-misc is addition
> of id and alias in mei-gsc.
> 
> V2: Added heci_ to struct and APIs
>     heci_gsc moved under xe_device as GSC is not under GT
> 
> Signed-off-by: Alexander Usyskin <alexander.usyskin@...el.com>
> 
> Vitaly Lubart (4):
>   drm/xe/gsc: add HECI2 register offsets
>   drm/xe/gsc: add has_heci_gscfi indication to device
>   drm/xe/gsc: add gsc device support
>   mei: gsc: add support for auxiliary device created by Xe driver
> 
>  drivers/gpu/drm/xe/Kconfig           |   1 +
>  drivers/gpu/drm/xe/Makefile          |   1 +
>  drivers/gpu/drm/xe/regs/xe_regs.h    |   4 +
>  drivers/gpu/drm/xe/xe_device.c       |   4 +
>  drivers/gpu/drm/xe/xe_device_types.h |   7 +
>  drivers/gpu/drm/xe/xe_heci_gsc.c     | 205 +++++++++++++++++++++++++++
>  drivers/gpu/drm/xe/xe_heci_gsc.h     |  35 +++++
>  drivers/gpu/drm/xe/xe_irq.c          |  14 +-
>  drivers/gpu/drm/xe/xe_pci.c          |   9 +-
>  drivers/misc/mei/gsc-me.c            |   5 +
>  10 files changed, 281 insertions(+), 4 deletions(-)
>  create mode 100644 drivers/gpu/drm/xe/xe_heci_gsc.c
>  create mode 100644 drivers/gpu/drm/xe/xe_heci_gsc.h
> 
> -- 
> 2.34.1
>