Re: Planned Vega support in Linux
On Tue, Aug 8, 2017 at 11:46 PM, David Niklas wrote: > BTW: I'm on list, no need to CC. > > On Wed, 9 Aug 2017 10:38:23 +0900 > Michel Dänzer wrote: > >> On 09/08/17 05:12 AM, David Niklas wrote: >> > I know that currently some form of headless support already exists, >> > but then I'd have to use crossfire (which does not work with the >> > opensource driver AFAIK). >> >> You don't need CrossFire to make use of a GPU in a headless fashion. > > No, but you do if you intend to use your primary desktop machine and Vega > supports only headless, or as Harry pointed out, a display driver (which, > I am assuming means 2D only). Full asic functionality is available for vega10 including displays in the branch Harry pointed out. > Besides, and as a side thought, I have had the temptation of using two > GPUs for compute tasks since it's just silly to toss/sell a GPU that > could be useful and is worth more to me than it's online value in dollars > (I have to choose the only GPU that actually goes *down* in price) > >> OpenCL should support that out of the box, and in X the GPU can be used >> for OpenGL apps via RandR 1.4 render offloading (obviously, you'll need >> another GPU in the system that X can use for output). >> > > You've lost me. > Let my try to understand, and you correct me as I go astray. > 1. X can send the OpenGL requests to another GPU while Vega does other > things or idles mindlessly in headless mode. > 2. X can send the OpenGL requests to the Vega GPU while the other GPU > sends frames to the display from Vega. > > Also, do I need to configure X using RandR, or will it "just work" ... > Stupid question, let me rephrase: > What do I need to do to tell RandR to get X to work? If you use the kernel branch mentioned above, X will detect all relevant GPUs and you can use xrandr to dynamically configure what GPU(s) you want to display with or render with at runtime. You only need X for display. If you just want to use a GPU for offscreen graphics rendering or compute work, you don't need to be running X. Alex ___ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
Re: Planned Vega support in Linux
On Tue, Aug 8, 2017 at 11:46 PM, David Niklas wrote: > BTW: I'm on list, no need to CC. > > On Tue, 8 Aug 2017 20:30:02 + > "Deucher, Alexander" wrote: >> > From: David Niklas [mailto:do...@mail.com] >> > Hello, >> > I'm not seeking any secret info. >> > I'm a Gentoo Linux user who wants to run some massively parallel >> > experiments. >> > I'm unwilling to wait and see what kind of support Linux gets because >> > the annoying bitcoin miners tend to cause the price to go through the >> > roof quickly. >> > My current card is an AMD SI HD7780 by MSI. >> > I know that currently some form of headless support already exists, >> > but then I'd have to use crossfire (which does not work with the >> > opensource driver AFAIK). >> > I filed a ticket at AMD on 05/07/17 but AMD has not gotten back to me >> > on this matter and like I said, if I wait then I risk having to buy >> > something way out of my price range. >> > --And I really have tried to wait till the last minute-- >> > Anything official or unofficial will do. >> > I am planning to use the OpenCL language to do my MP experiments. >> >> I'm not quite sure what you are asking. We released initial open >> source support for vega10 months ago and it continues to evolve as new >> SKUs are launched. > > I used AMD pro stack for sometime before the AMDGPU driver evolved to > something useful. Believe me, I do well to ask[1]. > >> It is expected that you can get a complete working >> stack in open source at launch time for whatever sku you are interested >> in. Not all of the patches are upstream, but they are all public. > > Is the opensource driver you're thinking of at the url that harry gave > me? > What it the state? (beta, alpha, etc.). > About how complete is it with respect to the other opensource GCN drivers? It's the same driver. However, kernel and other open source components do not always align to product cycles so support may not be upstream in the various open source projects yet. The vega10 code that is upstream doesn't not have full functionality for all vega10 skus or features because older kernels were released before all the products were finalized. The amd-staging-4.12 branch Harry pointed out has the latest code which provides full functionality for the asic. > >> OpenCL support is provided by the ROCm stack which you can get from the >> gpuopen site. > > "We do not support ROCm with PCIe Gen 2 enabled CPUs such as the AMD > Opteron, Phenom, Phenom II, Athlon, Athlon X2, Athlon II and Older Intel > Xeon and Intel Core Architecture and Pentium CPUs." > > Ouch! > Mine is a Phenom II 6 core 1090T. > I can't go spending a ton on a new CPU, MB, RAM, and GPU (and I'd need a > less hacked case too :) > Granted I could get an i3, cheap the MB and RAM, but I've worked so hard > for a great platform... 32GB RAM, 6 core Phenom II, HD 7780 GPU, RAID 5 > on 2TB HDs, Bluray drive, Mechanical keyboard, HP laser printer, > 4800x4800dpi HP scanner... > AMD is normally so good at compatibility too. > Ok, I'm over it, what is doable at this point? PCIe gen 3 is required for pcie atomics. I'm not a ROCm expert so I'm not sure if that is a hard requirement or only if you need platform atomics. Alex > >> Headless boards are supported just fine and have been >> for years. If you prefer packaged drivers, you can download the ROCm >> stack from gpuopen or the pro stack from amd.com. All stacks build on >> the same open source kernel driver and other components. >> >> Alex >> > > Good to know! > > > > [1] No offence, but AMD's gpu-pro would not allow the system to suspend > (sleep), also I'd often get a black and white set of vertical lines > through my display and the kernel would totally freeze (no sysreq). The > worst part is that it would happen totally randomly (really). > > ___ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel > ___ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
Re: Planned Vega support in Linux
BTW: I'm on list, no need to CC. On Tue, 8 Aug 2017 20:30:02 + "Deucher, Alexander" wrote: > > From: David Niklas [mailto:do...@mail.com] > > Hello, > > I'm not seeking any secret info. > > I'm a Gentoo Linux user who wants to run some massively parallel > > experiments. > > I'm unwilling to wait and see what kind of support Linux gets because > > the annoying bitcoin miners tend to cause the price to go through the > > roof quickly. > > My current card is an AMD SI HD7780 by MSI. > > I know that currently some form of headless support already exists, > > but then I'd have to use crossfire (which does not work with the > > opensource driver AFAIK). > > I filed a ticket at AMD on 05/07/17 but AMD has not gotten back to me > > on this matter and like I said, if I wait then I risk having to buy > > something way out of my price range. > > --And I really have tried to wait till the last minute-- > > Anything official or unofficial will do. > > I am planning to use the OpenCL language to do my MP experiments. > > I'm not quite sure what you are asking. We released initial open > source support for vega10 months ago and it continues to evolve as new > SKUs are launched. I used AMD pro stack for sometime before the AMDGPU driver evolved to something useful. Believe me, I do well to ask[1]. > It is expected that you can get a complete working > stack in open source at launch time for whatever sku you are interested > in. Not all of the patches are upstream, but they are all public. Is the opensource driver you're thinking of at the url that harry gave me? What it the state? (beta, alpha, etc.). About how complete is it with respect to the other opensource GCN drivers? > OpenCL support is provided by the ROCm stack which you can get from the > gpuopen site. "We do not support ROCm with PCIe Gen 2 enabled CPUs such as the AMD Opteron, Phenom, Phenom II, Athlon, Athlon X2, Athlon II and Older Intel Xeon and Intel Core Architecture and Pentium CPUs." Ouch! Mine is a Phenom II 6 core 1090T. I can't go spending a ton on a new CPU, MB, RAM, and GPU (and I'd need a less hacked case too :) Granted I could get an i3, cheap the MB and RAM, but I've worked so hard for a great platform... 32GB RAM, 6 core Phenom II, HD 7780 GPU, RAID 5 on 2TB HDs, Bluray drive, Mechanical keyboard, HP laser printer, 4800x4800dpi HP scanner... AMD is normally so good at compatibility too. Ok, I'm over it, what is doable at this point? > Headless boards are supported just fine and have been > for years. If you prefer packaged drivers, you can download the ROCm > stack from gpuopen or the pro stack from amd.com. All stacks build on > the same open source kernel driver and other components. > > Alex > Good to know! [1] No offence, but AMD's gpu-pro would not allow the system to suspend (sleep), also I'd often get a black and white set of vertical lines through my display and the kernel would totally freeze (no sysreq). The worst part is that it would happen totally randomly (really). pgpC9tW4Qzisx.pgp Description: OpenPGP digital signature ___ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
Re: Planned Vega support in Linux
BTW: I'm on list, no need to CC. On Wed, 9 Aug 2017 10:38:23 +0900 Michel Dänzer wrote: > On 09/08/17 05:12 AM, David Niklas wrote: > > I know that currently some form of headless support already exists, > > but then I'd have to use crossfire (which does not work with the > > opensource driver AFAIK). > > You don't need CrossFire to make use of a GPU in a headless fashion. No, but you do if you intend to use your primary desktop machine and Vega supports only headless, or as Harry pointed out, a display driver (which, I am assuming means 2D only). Besides, and as a side thought, I have had the temptation of using two GPUs for compute tasks since it's just silly to toss/sell a GPU that could be useful and is worth more to me than it's online value in dollars (I have to choose the only GPU that actually goes *down* in price) > OpenCL should support that out of the box, and in X the GPU can be used > for OpenGL apps via RandR 1.4 render offloading (obviously, you'll need > another GPU in the system that X can use for output). > You've lost me. Let my try to understand, and you correct me as I go astray. 1. X can send the OpenGL requests to another GPU while Vega does other things or idles mindlessly in headless mode. 2. X can send the OpenGL requests to the Vega GPU while the other GPU sends frames to the display from Vega. Also, do I need to configure X using RandR, or will it "just work" ... Stupid question, let me rephrase: What do I need to do to tell RandR to get X to work? Thanks, David pgp2T8CKe25tb.pgp Description: OpenPGP digital signature ___ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
Re: Planned Vega support in Linux
On 09/08/17 05:12 AM, David Niklas wrote: > I know that currently some form of headless support already exists, but > then I'd have to use crossfire (which does not work with the opensource > driver AFAIK). You don't need CrossFire to make use of a GPU in a headless fashion. OpenCL should support that out of the box, and in X the GPU can be used for OpenGL apps via RandR 1.4 render offloading (obviously, you'll need another GPU in the system that X can use for output). -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer signature.asc Description: OpenPGP digital signature ___ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
Re: Planned Vega support in Linux
Hey Harry, Harry Wentland wrote on 08.08.2017 22:25: > upstream kernels currently have only headless support. We're still > working on getting our display driver accepted upstream but in the > meantime you can compile it yourself from > https://cgit.freedesktop.org/~agd5f/linux/?h=amd-staging-4.12. With this > you should have no issues booting to desktop with whatever displays you got. can you or somebody else from AMD expand on what is – from your point of view – missing before you can start upstreaming DAL/DC/display? If possible with a rough time-frame. Is there a page with a list of outstanding tasks? Maybe even low-hanging fruit for new contributors (particularly tasks you haven't started internally so there's no unnecessary overlap)? Cheers, Kai signature.asc Description: OpenPGP digital signature ___ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
Re: Planned Vega support in Linux
Hi David, upstream kernels currently have only headless support. We're still working on getting our display driver accepted upstream but in the meantime you can compile it yourself from https://cgit.freedesktop.org/~agd5f/linux/?h=amd-staging-4.12. With this you should have no issues booting to desktop with whatever displays you got. As for the rest of our driver Alex can probably give you a better picture but I imagine pretty much everything should be working on Vega on that tree. Harry On 2017-08-08 04:12 PM, David Niklas wrote: > Hello, > I'm not seeking any secret info. > I'm a Gentoo Linux user who wants to run some massively parallel > experiments. > I'm unwilling to wait and see what kind of support Linux gets because > the annoying bitcoin miners tend to cause the price to go through the roof > quickly. > My current card is an AMD SI HD7780 by MSI. > I know that currently some form of headless support already exists, but > then I'd have to use crossfire (which does not work with the opensource > driver AFAIK). > I filed a ticket at AMD on 05/07/17 but AMD has not gotten back to me on > this matter and like I said, if I wait then I risk having to buy > something way out of my price range. > --And I really have tried to wait till the last minute-- > Anything official or unofficial will do. > I am planning to use the OpenCL language to do my MP experiments. > > Thanks, > David > > BTW: I got the emails to CC from the discussion: > [RFC] Using DC in amdgpu for upcoming GPU > so don't worry that I have an email harvester or something. > ___ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
RE: Planned Vega support in Linux
> -Original Message- > From: David Niklas [mailto:do...@mail.com] > Sent: Tuesday, August 08, 2017 4:13 PM > To: dri-devel@lists.freedesktop.org > Cc: Deucher, Alexander; Bridgman, John; Deucher, Alexander; Cheng, Tony; > Koenig, Christian; Wentland, Harry > Subject: Planned Vega support in Linux > > Hello, > I'm not seeking any secret info. > I'm a Gentoo Linux user who wants to run some massively parallel > experiments. > I'm unwilling to wait and see what kind of support Linux gets because > the annoying bitcoin miners tend to cause the price to go through the roof > quickly. > My current card is an AMD SI HD7780 by MSI. > I know that currently some form of headless support already exists, but > then I'd have to use crossfire (which does not work with the opensource > driver AFAIK). > I filed a ticket at AMD on 05/07/17 but AMD has not gotten back to me on > this matter and like I said, if I wait then I risk having to buy > something way out of my price range. > --And I really have tried to wait till the last minute-- > Anything official or unofficial will do. > I am planning to use the OpenCL language to do my MP experiments. I'm not quite sure what you are asking. We released initial open source support for vega10 months ago and it continues to evolve as new SKUs are launched. It is expected that you can get a complete working stack in open source at launch time for whatever sku you are interested in. Not all of the patches are upstream, but they are all public. OpenCL support is provided by the ROCm stack which you can get from the gpuopen site. Headless boards are supported just fine and have been for years. If you prefer packaged drivers, you can download the ROCm stack from gpuopen or the pro stack from amd.com. All stacks build on the same open source kernel driver and other components. Alex ___ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
Planned Vega support in Linux
Hello, I'm not seeking any secret info. I'm a Gentoo Linux user who wants to run some massively parallel experiments. I'm unwilling to wait and see what kind of support Linux gets because the annoying bitcoin miners tend to cause the price to go through the roof quickly. My current card is an AMD SI HD7780 by MSI. I know that currently some form of headless support already exists, but then I'd have to use crossfire (which does not work with the opensource driver AFAIK). I filed a ticket at AMD on 05/07/17 but AMD has not gotten back to me on this matter and like I said, if I wait then I risk having to buy something way out of my price range. --And I really have tried to wait till the last minute-- Anything official or unofficial will do. I am planning to use the OpenCL language to do my MP experiments. Thanks, David BTW: I got the emails to CC from the discussion: [RFC] Using DC in amdgpu for upcoming GPU so don't worry that I have an email harvester or something. pgpi_deTrji8V.pgp Description: OpenPGP digital signature ___ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
