[Beignet] Fw: Skylake support ...

[Pan, Xiuli]

Hi Jerome,

From the device id you give we found that we have not support that device yet. I will write a patch about it. Since I have not get a same device on hand could you have a try once the patch is already and give us some feedback then? 

Thanks
Xiuli

-----Original Message-----
From: Beignet [mailto:beignet-bounces at lists.freedesktop.org] On Behalf Of Jérôme Kieffer
Sent: Wednesday, March 30, 2016 12:56 AM
To: beignet at lists.freedesktop.org
Subject: [Beignet] Fw: Skylake support ...



On Fri, 25 Mar 2016 02:26:32 +0000
"Pan, Xiuli" <xiuli.pan at intel.com> wrote:

> Hi Jerome,
> 
> Could you give us the device id of your new "Xeon v5"? As well as the linux kernel version and libdrm version?
> The beignet do support to skylake server gt4, you can check the id in src/cl_device_data.h. I have recently build an environment on a skylake server, and the biggest problem is that kernel and libdrm does not support the device. You can get a guide to get them on https://01.org/linuxgraphics/documentation/build-guide-0

Hi Xiuli,

The processor is:
Intel(R) Xeon(R) CPU E3-1245 v5 @ 3.50GHz

The kernel is:
Linux linazimov 4.3.0-0.bpo.1-amd64 #1 SMP Debian 4.3.3-7~bpo8+1
(2016-01-19) x86_64 GNU/Linux

The libdrm version is:
2.4.67-1~bpo8+1

The VGA controler is seen on the PCIe bus as:
00:02.0 VGA compatible controller: Intel Corporation Device 191d (rev 06) (prog-if 00 [VGA controller])
	Subsystem: Dell Device 06b7
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 127
	Region 0: Memory at de000000 (64-bit, non-prefetchable) [size=16M]
	Region 2: Memory at c0000000 (64-bit, prefetchable) [size=256M]
	Region 4: I/O ports at f000 [size=64]
	Expansion ROM at <unassigned> [disabled]
	Capabilities: <access denied>
	Kernel driver in use: i915


Actually, the video device which is supposed to be a P530 (hence supported) but the id 191d is not referenced in the src/cl_device_data.h

I tryed to declare it, recompiled but it is apparently not enough: there are huge stack-traces in the dmesg ...

Thanks for the hint. 
Anyway it is likely the 190d, 191d, 192d and 193d devices are missing from this header file.

Cheers,

Jerome

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