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From: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Christoph Hellwig <hch@infradead.org>,
	Jiho Chu <jiho.chu@samsung.com>,
	Jeffrey Hugo <quic_jhugo@quicinc.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>,
	Kevin Hilman <khilman@baylibre.com>,
	Oded Gabbay <ogabbay@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	Maciej Kwapulinski <maciej.kwapulinski@linux.intel.com>,
	Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>,
	Jagan Teki <jagan@amarulasolutions.com>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	John Hubbard <jhubbard@nvidia.com>,
	Alex Deucher <alexander.deucher@amd.com>,
	Yuji Ishikawa <yuji2.ishikawa@toshiba.co.jp>,
	stanislaw.gruszka@intel.com
Subject: Re: [RFC PATCH v2 1/3] drivers/accel: define kconfig and register a new major
Date: Mon, 7 Nov 2022 14:25:03 +0100	[thread overview]
Message-ID: <20221107132503.GA3590860@linux.intel.com> (raw)
In-Reply-To: <Y2kDzPswkKyZyRpS@nvidia.com>

Hi

On Mon, Nov 07, 2022 at 09:10:36AM -0400, Jason Gunthorpe wrote:
> On Mon, Nov 07, 2022 at 03:01:08PM +0200, Oded Gabbay wrote:
> > I don't agree with your statement that it should be "a layer over top of DRM".
> > Anything on top of DRM is a device driver.
> > Accel is not a device driver, it is a new type of drm minor / drm driver.
> 
> Yeah, I still think this is not the right way, you are getting almost
> nothing from DRM and making everything more complicated in the
> process.
> 
> > The only alternative imo to that is to abandon the idea of reusing
> > drm, and just make an independant accel core code.
> 
> Not quite really, layer it properly and librarize parts of DRM into
> things accel can re-use so they are not intimately tied to the DRM
> struct device notion.

What do you mean by "struct device notion" ? struct drm_devce ? 

Regards
Stanislaw

WARNING: multiple messages have this Message-ID (diff)
From: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Oded Gabbay <ogabbay@kernel.org>,
	dri-devel@lists.freedesktop.org,
	Maciej Kwapulinski <maciej.kwapulinski@linux.intel.com>,
	Kevin Hilman <khilman@baylibre.com>,
	Christoph Hellwig <hch@infradead.org>,
	Jagan Teki <jagan@amarulasolutions.com>,
	John Hubbard <jhubbard@nvidia.com>,
	stanislaw.gruszka@intel.com,
	Jeffrey Hugo <quic_jhugo@quicinc.com>,
	Arnd Bergmann <arnd@arndb.de>, Jiho Chu <jiho.chu@samsung.com>,
	Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>,
	Yuji Ishikawa <yuji2.ishikawa@toshiba.co.jp>,
	Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-kernel@vger.kernel.org,
	Thomas Zimmermann <tzimmermann@suse.de>,
	Alex Deucher <alexander.deucher@amd.com>
Subject: Re: [RFC PATCH v2 1/3] drivers/accel: define kconfig and register a new major
Date: Mon, 7 Nov 2022 14:25:03 +0100	[thread overview]
Message-ID: <20221107132503.GA3590860@linux.intel.com> (raw)
In-Reply-To: <Y2kDzPswkKyZyRpS@nvidia.com>

Hi

On Mon, Nov 07, 2022 at 09:10:36AM -0400, Jason Gunthorpe wrote:
> On Mon, Nov 07, 2022 at 03:01:08PM +0200, Oded Gabbay wrote:
> > I don't agree with your statement that it should be "a layer over top of DRM".
> > Anything on top of DRM is a device driver.
> > Accel is not a device driver, it is a new type of drm minor / drm driver.
> 
> Yeah, I still think this is not the right way, you are getting almost
> nothing from DRM and making everything more complicated in the
> process.
> 
> > The only alternative imo to that is to abandon the idea of reusing
> > drm, and just make an independant accel core code.
> 
> Not quite really, layer it properly and librarize parts of DRM into
> things accel can re-use so they are not intimately tied to the DRM
> struct device notion.

What do you mean by "struct device notion" ? struct drm_devce ? 

Regards
Stanislaw

  reply	other threads:[~2022-11-07 13:25 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-02 20:34 [RFC PATCH v2 0/3] new subsystem for compute accelerator devices Oded Gabbay
2022-11-02 20:34 ` Oded Gabbay
2022-11-02 20:34 ` [RFC PATCH v2 1/3] drivers/accel: define kconfig and register a new major Oded Gabbay
2022-11-02 20:34   ` Oded Gabbay
2022-11-02 21:04   ` Jeffrey Hugo
2022-11-02 21:04     ` Jeffrey Hugo
2022-11-03 13:28     ` Oded Gabbay
2022-11-03 13:28       ` Oded Gabbay
2022-11-02 22:58   ` Randy Dunlap
2022-11-02 22:58     ` Randy Dunlap
2022-11-03 13:29     ` Oded Gabbay
2022-11-03 13:29       ` Oded Gabbay
2022-11-03  0:32   ` Greg Kroah-Hartman
2022-11-03  0:32     ` Greg Kroah-Hartman
2022-11-03 13:31     ` Oded Gabbay
2022-11-03 13:31       ` Oded Gabbay
2022-11-03 20:39       ` Oded Gabbay
2022-11-03 20:39         ` Oded Gabbay
2022-11-03 23:01         ` Randy Dunlap
2022-11-03 23:01           ` Randy Dunlap
2022-11-04  7:23           ` Stanislaw Gruszka
2022-11-04  7:23             ` Stanislaw Gruszka
2022-11-07 12:56         ` Jason Gunthorpe
2022-11-07 12:56           ` Jason Gunthorpe
2022-11-07 13:01           ` Oded Gabbay
2022-11-07 13:01             ` Oded Gabbay
2022-11-07 13:10             ` Jason Gunthorpe
2022-11-07 13:10               ` Jason Gunthorpe
2022-11-07 13:25               ` Stanislaw Gruszka [this message]
2022-11-07 13:25                 ` Stanislaw Gruszka
2022-11-07 14:02               ` Oded Gabbay
2022-11-07 14:02                 ` Oded Gabbay
2022-11-07 14:10                 ` Jason Gunthorpe
2022-11-07 14:10                   ` Jason Gunthorpe
2022-11-07 15:53                   ` Oded Gabbay
2022-11-07 15:53                     ` Oded Gabbay
2022-11-07 16:30                     ` Jason Gunthorpe
2022-11-07 16:30                       ` Jason Gunthorpe
2022-11-07 19:27                       ` Oded Gabbay
2022-11-07 19:27                         ` Oded Gabbay
2022-11-07 20:33                       ` Dave Airlie
2022-11-07 20:33                         ` Dave Airlie
2022-11-08 12:28                         ` Jason Gunthorpe
2022-11-08 12:28                           ` Jason Gunthorpe
2022-11-09  7:22                           ` Dave Airlie
2022-11-09  7:22                             ` Dave Airlie
2022-11-07 20:18               ` Dave Airlie
2022-11-07 20:18                 ` Dave Airlie
2022-11-02 20:34 ` [RFC PATCH v2 2/3] accel: add dedicated minor for accelerator devices Oded Gabbay
2022-11-02 20:34   ` Oded Gabbay
2022-11-02 21:17   ` Jeffrey Hugo
2022-11-02 21:17     ` Jeffrey Hugo
2022-11-06 10:51     ` Oded Gabbay
2022-11-06 10:51       ` Oded Gabbay
2022-11-03  5:25   ` Jiho Chu
2022-11-03  5:25     ` Jiho Chu
2022-11-06 10:54     ` Oded Gabbay
2022-11-06 10:54       ` Oded Gabbay
2022-11-06 14:15       ` Oded Gabbay
2022-11-06 14:15         ` Oded Gabbay
2022-11-02 20:34 ` [RFC PATCH v2 3/3] drm: initialize accel framework Oded Gabbay
2022-11-02 20:34   ` Oded Gabbay
2022-11-02 21:30   ` Jeffrey Hugo
2022-11-02 21:30     ` Jeffrey Hugo
2022-11-06 10:55     ` Oded Gabbay
2022-11-06 10:55       ` Oded Gabbay

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