[Openpvrsgx-devgroup] openpvrsgx-devgroup Digest, Vol 11, Issue 3
H. Nikolaus Schaller
hns at goldelico.com
Wed Oct 7 12:50:45 CEST 2020
> Am 07.10.2020 um 12:16 schrieb Alif Ilhan <alifilhan0 at gmail.com>:
>
> If you are thinking about a SGX545 user....I am one of them(albeit not so good at driver development). These atom chips are really good if paired up with the graphics core and linux. I will buildthe kernel today and inform you what happens. Even if you need hardware, I can send mine ;-).
Well, what we more need than hardware are people who can donate a little time in experimenting/developing with it. Ideally with hardware they already have...
Please keep us updated.
Best regards,
Nikolaus
> Thanks,
> Alif
>
> On Wed, 7 Oct 2020, 4:00 p.m. , <openpvrsgx-devgroup-request at letux.org> wrote:
> Send openpvrsgx-devgroup mailing list submissions to
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>
> Today's Topics:
>
> 1. Re: openpvrsgx-devgroup Digest, Vol 11, Issue 2 (Alif Ilhan)
> 2. Re: openpvrsgx-devgroup Digest, Vol 11, Issue 2
> (H. Nikolaus Schaller)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 6 Oct 2020 16:17:56 +0600
> From: Alif Ilhan <alifilhan0 at gmail.com>
> To: openpvrsgx-devgroup at letux.org
> Subject: Re: [Openpvrsgx-devgroup] openpvrsgx-devgroup Digest, Vol 11,
> Issue 2
> Message-ID:
> <CAPfpOraaQ3925PUnaHeQF0Rm9yBpMqCPs0=8OWSF2vp_MfCnpw at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Okay, can you tell the present status of SGX545 support? I want to test out
> the drivers. Is this GPU core significantly different than the other sgx
> cores? And willit move to the mainline kernel after sometime?
>
> On Tue, 6 Oct 2020, 4:00 p.m. , <openpvrsgx-devgroup-request at letux.org>
> wrote:
>
> > Send openpvrsgx-devgroup mailing list submissions to
> > openpvrsgx-devgroup at letux.org
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> >
> > http://lists.goldelico.com/mailman/listinfo.cgi/openpvrsgx-devgroup
> > or, via email, send a message with subject or body 'help' to
> > openpvrsgx-devgroup-request at letux.org
> >
> > You can reach the person managing the list at
> > openpvrsgx-devgroup-owner at letux.org
> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of openpvrsgx-devgroup digest..."
> >
> >
> > Today's Topics:
> >
> > 1. error while compiling kernel for Atom N2600 (Alif Ilhan)
> > 2. Re: error while compiling kernel for Atom N2600
> > (H. Nikolaus Schaller)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Tue, 6 Oct 2020 11:51:06 +0600
> > From: Alif Ilhan <alifilhan0 at gmail.com>
> > To: openpvrsgx-devgroup at letux.org
> > Subject: [Openpvrsgx-devgroup] error while compiling kernel for Atom
> > N2600
> > Message-ID: <1a33e373-af4f-0016-a7e4-48e6217a5b75 at gmail.com>
> > Content-Type: text/plain; charset=utf-8; format=flowed
> >
> > Hi,
> >
> > I am trying to compile the kernel with SGX545 for Intel Atom CPU, but
> > not able to do so. I am getting this error output. Can you figure out
> > what's wrong?
> >
> > The error:
> >
> > alif at alif-Latitude-E5470:/media/alif/New-Volume/Android-Development/linux_openpvrsgx$
> >
> > make ARCH=i386 "KCFLAGS=-m32 -march=atom -mtune=atom -msse3
> > -mfpmath=sse" -j4
> > ? HOSTCC? scripts/kconfig/conf.o
> > ? HOSTLD? scripts/kconfig/conf
> > scripts/kconfig/conf? --syncconfig Kconfig
> >
> > *** Error during sync of the configuration.
> >
> > make[2]: *** [scripts/kconfig/Makefile:75: syncconfig] Error 1
> > make[1]: *** [Makefile:567: syncconfig] Error 2
> > make: *** [Makefile:677: include/config/auto.conf.cmd] Error 2
> > make: *** Deleting file 'include/config/auto.conf.cmd'
> >
> > Thanks,
> >
> > Alif
> >
> >
> >
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Tue, 6 Oct 2020 08:17:32 +0200
> > From: "H. Nikolaus Schaller" <hns at goldelico.com>
> > To: OpenPVRSGX Linux Driver Group <openpvrsgx-devgroup at letux.org>
> > Subject: Re: [Openpvrsgx-devgroup] error while compiling kernel for
> > Atom N2600
> > Message-ID: <0DD09807-D272-44AD-9D20-D375D48A9315 at goldelico.com>
> > Content-Type: text/plain; charset=us-ascii
> >
> > Hi Alif,
> >
> > > Am 06.10.2020 um 07:51 schrieb Alif Ilhan <alifilhan0 at gmail.com>:
> > >
> > > Hi,
> > >
> > > I am trying to compile the kernel with SGX545 for Intel Atom CPU, but
> > not able to do so. I am getting this error output. Can you figure out
> > what's wrong?
> > >
> > > The error:
> > >
> > > alif at alif-Latitude-E5470:/media/alif/New-Volume/Android-Development/linux_openpvrsgx$
> > make ARCH=i386 "KCFLAGS=-m32 -march=atom -mtune=atom -msse3 -mfpmath=sse"
> > -j4
> > > HOSTCC scripts/kconfig/conf.o
> > > HOSTLD scripts/kconfig/conf
> > > scripts/kconfig/conf --syncconfig Kconfig
> > >
> > > *** Error during sync of the configuration.
> > >
> > > make[2]: *** [scripts/kconfig/Makefile:75: syncconfig] Error 1
> > > make[1]: *** [Makefile:567: syncconfig] Error 2
> > > make: *** [Makefile:677: include/config/auto.conf.cmd] Error 2
> > > make: *** Deleting file 'include/config/auto.conf.cmd'
> >
> > I haven't seen this error but
> >
> >
> > https://stackoverflow.com/questions/57777429/error-building-latest-linux-kernel-within-virtualbox-under-18-04-1-ubuntu/61169878#61169878
> >
> > seems to indicate a file owner/permissions problem.
> >
> > So please check that the whole tree (incl. local files - maybe
> > include/config/auto.conf.cmd) is owned by you and has proper write
> > permissions of the directory.
> >
> > Then I am really curious what the next error message will be...
> > We have not yet had somebody who owns an SGX545 so there may be bugs in
> > our Makefiles or code.
> >
> > BR and thanks,
> >
> > Nikolaus
> >
> >
> >
> > ------------------------------
> >
> > Subject: Digest Footer
> >
> > _______________________________________________
> > https://github.com/openpvrsgx-devgroup/linux_openpvrsgx
> > openpvrsgx-devgroup mailing list
> > openpvrsgx-devgroup at letux.org
> > http://lists.goldelico.com/mailman/listinfo.cgi/openpvrsgx-devgroup
> >
> >
> > ------------------------------
> >
> > End of openpvrsgx-devgroup Digest, Vol 11, Issue 2
> > **************************************************
> >
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> ------------------------------
>
> Message: 2
> Date: Tue, 6 Oct 2020 12:58:49 +0200
> From: "H. Nikolaus Schaller" <hns at goldelico.com>
> To: OpenPVRSGX Linux Driver Group <openpvrsgx-devgroup at letux.org>
> Subject: Re: [Openpvrsgx-devgroup] openpvrsgx-devgroup Digest, Vol 11,
> Issue 2
> Message-ID: <82328C0C-DD70-4760-8903-CA4DB4F224A4 at goldelico.com>
> Content-Type: text/plain; charset=us-ascii
>
> Hi Alif,
>
> > Am 06.10.2020 um 12:17 schrieb Alif Ilhan <alifilhan0 at gmail.com>:
> >
> > Okay, can you tell the present status of SGX545 support?
>
> It should be supported by the driver (there are Revision specific #defines and #ifdefs) but it is untested.
> So there may be bugs in the Makefile and/or the code or SoC integration.
>
> And we may run into the problem of not having appropriate user-space code.
> What I had started a while ago was to experiment with qemu to run the ARM user-space code on a MIPS machine with SGX540 (jz4780).
> But I didn't find time to continue these experiments.
>
> > I want to test out the drivers. Is this GPU core significantly different than the other sgx cores?
>
> There is the SGX544 inside e.g. Texas Instruments OMAP5/DRA7 and that one is running.
> I think the main architectural changes were SGX 520 -> SGX 530 -> SX 540
> There are minor releases SGX 531, SGX 535, SGX 543 (Sega, iPhone 4s), SGX 544, SGX 545.
> This may denote some feature details of the SGX core.
>
> Maybe this table also helps: https://en.wikipedia.org/wiki/PowerVR#Series5_(SGX)
>
> > And willit move to the mainline kernel after sometime?
>
> We hope so! It much depends on how much demand is there in the community. The more we are who want to have it in mainline, the more the maintainers see a reason to look at code.
> And we hope by showing how a "universal" driver for mainline could look like to convince Imagination to become more open and helpful.
>
> I could imagine that they hesitate to spend manpower to support the plethora of hardware devices which doesn't bring them new customers or revenue...
>
> BR and thanks,
> Nikolaus
>
> >
> > On Tue, 6 Oct 2020, 4:00 p.m. , <openpvrsgx-devgroup-request at letux.org> wrote:
> > Send openpvrsgx-devgroup mailing list submissions to
> > openpvrsgx-devgroup at letux.org
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> > http://lists.goldelico.com/mailman/listinfo.cgi/openpvrsgx-devgroup
> > or, via email, send a message with subject or body 'help' to
> > openpvrsgx-devgroup-request at letux.org
> >
> > You can reach the person managing the list at
> > openpvrsgx-devgroup-owner at letux.org
> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of openpvrsgx-devgroup digest..."
> >
> >
> > Today's Topics:
> >
> > 1. error while compiling kernel for Atom N2600 (Alif Ilhan)
> > 2. Re: error while compiling kernel for Atom N2600
> > (H. Nikolaus Schaller)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Tue, 6 Oct 2020 11:51:06 +0600
> > From: Alif Ilhan <alifilhan0 at gmail.com>
> > To: openpvrsgx-devgroup at letux.org
> > Subject: [Openpvrsgx-devgroup] error while compiling kernel for Atom
> > N2600
> > Message-ID: <1a33e373-af4f-0016-a7e4-48e6217a5b75 at gmail.com>
> > Content-Type: text/plain; charset=utf-8; format=flowed
> >
> > Hi,
> >
> > I am trying to compile the kernel with SGX545 for Intel Atom CPU, but
> > not able to do so. I am getting this error output. Can you figure out
> > what's wrong?
> >
> > The error:
> >
> > alif at alif-Latitude-E5470:/media/alif/New-Volume/Android-Development/linux_openpvrsgx$
> > make ARCH=i386 "KCFLAGS=-m32 -march=atom -mtune=atom -msse3
> > -mfpmath=sse" -j4
> > ? HOSTCC? scripts/kconfig/conf.o
> > ? HOSTLD? scripts/kconfig/conf
> > scripts/kconfig/conf? --syncconfig Kconfig
> >
> > *** Error during sync of the configuration.
> >
> > make[2]: *** [scripts/kconfig/Makefile:75: syncconfig] Error 1
> > make[1]: *** [Makefile:567: syncconfig] Error 2
> > make: *** [Makefile:677: include/config/auto.conf.cmd] Error 2
> > make: *** Deleting file 'include/config/auto.conf.cmd'
> >
> > Thanks,
> >
> > Alif
> >
> >
> >
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Tue, 6 Oct 2020 08:17:32 +0200
> > From: "H. Nikolaus Schaller" <hns at goldelico.com>
> > To: OpenPVRSGX Linux Driver Group <openpvrsgx-devgroup at letux.org>
> > Subject: Re: [Openpvrsgx-devgroup] error while compiling kernel for
> > Atom N2600
> > Message-ID: <0DD09807-D272-44AD-9D20-D375D48A9315 at goldelico.com>
> > Content-Type: text/plain; charset=us-ascii
> >
> > Hi Alif,
> >
> > > Am 06.10.2020 um 07:51 schrieb Alif Ilhan <alifilhan0 at gmail.com>:
> > >
> > > Hi,
> > >
> > > I am trying to compile the kernel with SGX545 for Intel Atom CPU, but not able to do so. I am getting this error output. Can you figure out what's wrong?
> > >
> > > The error:
> > >
> > > alif at alif-Latitude-E5470:/media/alif/New-Volume/Android-Development/linux_openpvrsgx$ make ARCH=i386 "KCFLAGS=-m32 -march=atom -mtune=atom -msse3 -mfpmath=sse" -j4
> > > HOSTCC scripts/kconfig/conf.o
> > > HOSTLD scripts/kconfig/conf
> > > scripts/kconfig/conf --syncconfig Kconfig
> > >
> > > *** Error during sync of the configuration.
> > >
> > > make[2]: *** [scripts/kconfig/Makefile:75: syncconfig] Error 1
> > > make[1]: *** [Makefile:567: syncconfig] Error 2
> > > make: *** [Makefile:677: include/config/auto.conf.cmd] Error 2
> > > make: *** Deleting file 'include/config/auto.conf.cmd'
> >
> > I haven't seen this error but
> >
> > https://stackoverflow.com/questions/57777429/error-building-latest-linux-kernel-within-virtualbox-under-18-04-1-ubuntu/61169878#61169878
> >
> > seems to indicate a file owner/permissions problem.
> >
> > So please check that the whole tree (incl. local files - maybe include/config/auto.conf.cmd) is owned by you and has proper write permissions of the directory.
> >
> > Then I am really curious what the next error message will be...
> > We have not yet had somebody who owns an SGX545 so there may be bugs in our Makefiles or code.
> >
> > BR and thanks,
> >
> > Nikolaus
> >
> >
> >
> > ------------------------------
> >
> > Subject: Digest Footer
> >
> > _______________________________________________
> > https://github.com/openpvrsgx-devgroup/linux_openpvrsgx
> > openpvrsgx-devgroup mailing list
> > openpvrsgx-devgroup at letux.org
> > http://lists.goldelico.com/mailman/listinfo.cgi/openpvrsgx-devgroup
> >
> >
> > ------------------------------
> >
> > End of openpvrsgx-devgroup Digest, Vol 11, Issue 2
> > **************************************************
> > _______________________________________________
> > https://github.com/openpvrsgx-devgroup/linux_openpvrsgx
> > openpvrsgx-devgroup mailing list
> > openpvrsgx-devgroup at letux.org
> > https://lists.goldelico.com/mailman/listinfo.cgi/openpvrsgx-devgroup
>
>
>
> ------------------------------
>
> Subject: Digest Footer
>
> _______________________________________________
> https://github.com/openpvrsgx-devgroup/linux_openpvrsgx
> openpvrsgx-devgroup mailing list
> openpvrsgx-devgroup at letux.org
> http://lists.goldelico.com/mailman/listinfo.cgi/openpvrsgx-devgroup
>
>
> ------------------------------
>
> End of openpvrsgx-devgroup Digest, Vol 11, Issue 3
> **************************************************
> _______________________________________________
> https://github.com/openpvrsgx-devgroup/linux_openpvrsgx
> openpvrsgx-devgroup mailing list
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