Re: i915 driver update testing

2014-10-03 19:02 GMT+02:00 Konstantin Belousov <kostikbel_at_gmail.com>:

> Please find at the
> https://kib.kiev.ua/kib/drm/i915.1.patch
> a patch which provides some updates to the i915 driver. At large, this
> is import of the batch of Linux commits, and as such, it is interesting
> mostly as attempt to restart the race to get us more up to date Linux code
> imported. It might provide some bug fixes, most likely for IvyBridge.
> Interesting from the development PoV is the update of the GEM i/o ioctl
> code path to mimic Linux code structure.
>
> I am asking _only_ for reports of regressions with the patch applied,
> comparing with the code which is currently in HEAD. I will not debug
> any existing bugs, my goal right now is to commit this update, which is
> needed for further work. I.e., only when you get an issue with the patch
> applied, but cannot reproduce the problem without the patch, please
> prepare a bug report.
>
> FYI, the driver will attach to haswell gfx, but I am not interested in
> reports about this (see above paragraph). On my test box, which is Core
> i7 4770S, the mode-setting and front-buffer rendering works, but Mesa
> immediately cause renderer to bug out.
>
> Work was sponsored by The FreeBSD Foundation, both by time and hardware,
> and Intel provided access to the documentation.
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On a Samsung ATIV Book 2 15.6” Notebook - NP270E5E, specs,
<http://www.samsung.com/us/computer/pcs/NP270E5E-K02US-specs> the patch
does not works.
The result of the command

# kldload i915kms
is a blank screen.

After rebooting the notebook, in /var/log/messages I can read:
Oct  4 08:12:44 ativ kernel: info: [drm] Initialized drm 1.1.0 20060810
Oct  4 08:12:45 ativ kernel: drmn0: <Intel IvyBridge (M)> on vgapci0
Oct  4 08:12:45 ativ kernel: info: [drm] MSI enabled 1 message(s)
Oct  4 08:12:45 ativ kernel: info: [drm] AGP at 0xe0000000 256MB
Oct  4 08:12:45 ativ kernel: iicbus0: <Philips I2C bus> on iicbb0 addr 0xff
Oct  4 08:12:45 ativ kernel: iic0: <I2C generic I/O> on iicbus0
Oct  4 08:12:45 ativ kernel: iic1: <I2C generic I/O> on iicbus1
Oct  4 08:12:45 ativ kernel: iicbus2: <Philips I2C bus> on iicbb1 addr 0x0
Oct  4 08:12:45 ativ kernel: iic2: <I2C generic I/O> on iicbus2
Oct  4 08:12:45 ativ kernel: iic3: <I2C generic I/O> on iicbus3
Oct  4 08:12:45 ativ kernel: iicbus4: <Philips I2C bus> on iicbb2 addr 0x0
Oct  4 08:12:45 ativ kernel: iic4: <I2C generic I/O> on iicbus4
Oct  4 08:12:45 ativ kernel: iic5: <I2C generic I/O> on iicbus5
Oct  4 08:12:45 ativ kernel: iicbus6: <Philips I2C bus> on iicbb3 addr 0x0
Oct  4 08:12:45 ativ kernel: iic6: <I2C generic I/O> on iicbus6
Oct  4 08:12:45 ativ kernel: iic7: <I2C generic I/O> on iicbus7
Oct  4 08:12:45 ativ kernel: iicbus8: <Philips I2C bus> on iicbb4 addr 0x0
Oct  4 08:12:45 ativ kernel: iic8: <I2C generic I/O> on iicbus8
Oct  4 08:12:45 ativ kernel: iic9: <I2C generic I/O>
Oct  4 08:12:45 ativ kernel: on iicbus9
Oct  4 08:12:45 ativ kernel: iicbus10: <Philips I2C bus> on iicbb5 addr 0x0
Oct  4 08:12:45 ativ kernel: iic10: <I2C generic I/O> on iicbus10
Oct  4 08:12:45 ativ kernel: iic11: <I2C generic I/O> on iicbus11
Oct  4 08:12:45 ativ kernel: info: [drm] Supports vblank timestamp caching
Rev 1 (10.10.2010).
Oct  4 08:12:45 ativ kernel: info: [drm] Driver supports precise vblank
timestamp query.

Regards
Maurizio