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Latest Comments by gabsd84
AMDGPU-PRO 16.50 actually released, with FreeSync and wider GPU support
10 December 2016 at 2:30 am UTC Likes: 2

For those interested in following the discussion on the DC code, see this thread on the AMDGFX list:

The follow up responses provide a lot of context on what is going on. It seems from reading through the lengthy posts that the DC code has been reworked quite a bit already with the total lines of code dropping from about 90K to somewhere around 60K. There are still issues to be resolved (mainly the hardware abstraction layer code), but overall things are heading in the right direction. Some of the responses from the AMD devs also provide an insight on what is happening in the organisation. It seems that Linux driver development is becoming more integrated into their new hardware bring up and they are trying to achieve the same performance and power efficiency on Linux as they have on Windows.

AMDGPU-PRO 16.50 actually released, with FreeSync and wider GPU support
9 December 2016 at 2:52 am UTC Likes: 2


It depends on whether you are set on using Ubuntu 16.04. If you absolutely want 16.04 and want to use the open drivers today, you may want to go for a GCN 1.1 card for the best out of the box experience. I have a R7 260X on Mint 18 (Ubuntu 16.04 based) and that runs very nicely out of the box.

If you are prepared to use a more up to date distro, then the RX470 is quite good for the money. I have one running with Korora 25 and most games run very nicely. The main things you need for the best open source driver support are:

1. Latest kernel (4.7 was the kernel were the support for the RX400 series of cards was added. Ideally you want kernel 4.8 or 4.9).
2. Latest Mesa (13.0.2 ideally, but 12.0.X will also work with the RX400 series).
3. Latest llvm (3.9.0 is the latest and is needed for higher OpenGL level support. Without it, you will only have OpenGL 4.1 instead of OpenGL 4.3).

If you are prepared to use the AMDGPU-PRO driver, then the RX470 on 16.04 should work out quite well.

The open source Vulkan driver for AMD can now run Dota 2
26 August 2016 at 4:18 pm UTC Likes: 1

It is amazing how fast radv is coming along but also not surprising, both Dave and Bas are very experienced with Mesa and AMD hardware as both of them have done lots of work on RadeonSI.

It will be interesting to see what AMD do going forward. If radv is feature complete in the next few months, will AMD still open source their proprietary Vulkan driver or just pile in and work on radv and drop the proprietary driver? Will be interesting to see.

Mesa patches greatly improve Bioshock Infinite performance for the RadeonSI AMD driver
2 August 2016 at 3:13 pm UTC Likes: 7

It is worth noting that Marek is employed by AMD to work on RadeonSI and has been for many years.

Ubuntu 16.04 dropping the AMD Catalyst/fglrx driver
11 March 2016 at 4:15 pm UTC

I also forgot to mention, 16.04 has mesa built against llvm 3.8, which means the open source AMD drivers have OpenGL 4.1 out of the box. I have been playing Bioshock Infinite quite nicely on my R7 260X. That should mean that only a handful of games won't run (Shadow of Mordor and Alien Isolation come to mind).

Ubuntu 16.04 dropping the AMD Catalyst/fglrx driver
11 March 2016 at 4:00 pm UTC Likes: 1

Just wanted to add some FYI.

1. As far as I am aware Linux Kernel 4.5 has powerplay enabled by default. This was stated by an AMD dev in the Phoronix forums...but don't hold me to it.
2. I am running Ubuntu Gnome 16.04 and a kernel upgrade has just come through which backports all the AMDGPU code from kernel 4.5 to the 4.4 kernel that 16.04 will be using.

Also, I get the feeling that kernel 4.5/4.4 (with backports) may be the first kernel that will support the new hybrid stack. So when installing the new proprietary user space blob, which will probably be released by mid year, it will probably require kernel 4.5 or 4.4 with backports as a minimum. Again, my guess.

As for OpenCL, the current proprietary OpenCL driver will be open sourced. There has been a whole bunch of commits to RadeonSI for interop with drivers outside of Mesa...suggesting that RadeonSI will be able to work with the soon to be open sourced OpenCL driver.


Khronos gives an official update on Vulkan
19 December 2015 at 4:14 am UTC Likes: 8

@adolon I'm running my games just fine on the RadeonSI driver, I have not had to throw away any games apart from the Windows only ones. I think you should refrain from making judgements on the AMD drivers unless you are using them. Seeing some benchmarks and using the drivers day to day are very different. I have had very few problems with the RadeonSI driver...unlike a friend of mine who bricked his Nvidia based system because of a kernel upgrade.

General rant

Also, I don't really understand the massive hostility towards AMD. It's like watching someone trying to do the right thing and getting kicked by a mob constantly. I understand their drivers where pretty bad in the past but they have open source drivers that are officially supported and improving constantly. Can anyone point me to Nvidia's official Open Source drivers? Is there out of the box support for the latest Nvidia cards in an open source driver? No. Is Nvidia open sourcing Gameworks? No. People should really think hard about what their money is supporting.

If open source does not matter to the Linux gaming community anymore, what's the point of Linux? Windows currently provides better gaming performance and has all the proprietary code you could ask for.

End rant

AMD Are Already Working On A Vulkan Driver, More Talk About Their New AMDGPU Driver
22 September 2015 at 12:05 pm UTC Likes: 3

It seems to me that AMD is going open source not just on Linux but Windows as well. The OpenCL driver and Vulkan driver are shared between Linux and Windows as far as I understand, so open sourcing them should mean open source for both platforms....which would be pretty awesome.

Hopefully AMD open source these drivers within the next few months as that would allow them to be integrated into Linux distros next year (Ubuntu 16.04/Fedora 24 etc). This would allow for out of the box support...which is always a big plus.

Also, the AMD devs were talking in that video about involving their display team to contribute display management code. This code has just started coming out (link) and will most likely be found in Linux Kernel 4.4.

GTX 760 Vs R7 370 4GB In Dirt Showdown
20 August 2015 at 3:16 pm UTC Likes: 1

BdMdesigNFor the FLOSS driver brings MESA the openGL stuff and for the BLOB driver, the BLOB but not only the openGL stuff. The BLOB brings the reclocking stuff, too. The FLOSS should don't have the reclocking stuff.

And than comes Vulkan, not Vulcan.

Yes the new BlOB drivers from AMD and NVIDIA have both: openGL and Vulkan.

Actually the reclocking support will come in at the kernel level. So, the AMDGPU kernel driver will provide the power management support for both the open source RadeonSI driver and Catalyst once everything falls into place. I predict that AMD will kill off proprietary drivers on Linux within 12 months, RadeonSI is now at OpenGL 4.1 and almost OpenGL 4.2. Another 12 months of development and we should have a very good and fast open source driver.

Introducing the Latest Addition To GOL Cast Hardware: Radeon R7 370 [Updated]
14 August 2015 at 2:10 pm UTC Likes: 1

Nice to see GOL testing out some AMD hardware. It would be interesting to see the results with Mesa 11 and llvm 3.7...there should be some nice performance improvements.

With the upcoming Mesa, the RadeonSI is the best open source graphics driver for Linux (the Intel drivers are unlikely to support OpenGL 4.0+ any time soon).

Also, as a side note, AMD's new driver strategy is starting to come together. Linux Kernel 4.2 will have the new AMDGPU kernel driver, libdrm 2.4.63 just got released and includes support for AMDGPU (link) and AMD just landed the AMDGPU components into Mesa master (link). This effectively means that within a few months all AMD hardware will be well supported under Linux by open source driver code.

Now, the last major component to be implemented is dynamic power management in the AMDGPU driver (probably will arrive with Kernel 4.4) and AMD can focus on improved performance and stability, better OpenGL support in the RadeonSI and R600g drivers and hopefully a fully open source Vulkan driver.

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