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8747a46991
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13 Commits

Author SHA1 Message Date
kevlo
8747a46991 Prefer NULL over 0 for pointers 2012-10-09 08:27:40 +00:00
mav
34732ca830 Reduce delays in several wait loops from 10ms to 10us, same is it is done 
in Linux. This substantially increases graphics performance on Ivy Bridge.

Submitted by:	avg@
Reviewed by:	kib@
 2012-09-25 10:52:49 +00:00
ed
123cfec6ca Prefer __containerof() above member2struct(). 
The first does proper checking of the argument types, while the latter
does not.
 2012-09-15 19:28:54 +00:00
kib
5028d10ff9 Add drm and i915 ioctl translations for 32 bit process on 64 bit host. 
Submitted by:	meowthink@gmail.com
MFC after:	2 weeks
 2012-08-18 18:26:25 +00:00
hselasky
cd2aff7346 Streamline use of cdevpriv and correct some corner cases. 
1) It is not useful to call "devfs_clear_cdevpriv()" from
"d_close" callbacks, hence for example read, write, ioctl and
so on might be sleeping at the time of "d_close" being called
and then then freed private data can still be accessed.
Examples: dtrace, linux_compat, ksyms (all fixed by this patch)

2) In sys/dev/drm* there are some cases in which memory will
be freed twice, if open fails, first by code in the open
routine, secondly by the cdevpriv destructor. Move registration
of the cdevpriv to the end of the drm open routines.

3) devfs_clear_cdevpriv() is not called if the "d_open" callback
registered cdevpriv data and the "d_open" callback function
returned an error. Fix this.

Discussed with:	phk
MFC after:	2 weeks
 2012-08-15 16:19:39 +00:00
mav
1ebfb4a3f7 Fix millisecond to ticks conversion in drm_msleep(). 
On systems with HZ=100 it caused Intel eDP video output initialization
(and Xorg startup) to take several minutes instead of several seconds.

Reviewed by:	kib
MFC after:	3 days
 2012-06-28 17:15:16 +00:00
emaste
b1f4f1e862 Add PCI IDs for Ivy Bridge 2012-06-21 22:06:57 +00:00
kib
d70a112699 Use right size when freeing unneeded GTT mapping. 
MFC after:	3 days
 2012-06-15 08:50:44 +00:00
alc
78da2a525d A small simplification to i915_gem_pager_fault(). 
Reviewed by:	kib
 2012-05-28 21:15:54 +00:00
kib
d57cf5a8a0 Disable end of buffer fixup by default. New DDX does not need this, and 
since batch_len is unused by Linux driver, it seems that it is sometimes
gets passed wrong. This causes command buffer corruption and GPU hung.

Old GEMified DDX drivers that needs this workaround are not supported.

MFC after:	1 month
 2012-05-28 13:58:08 +00:00
kib
07bc41a97b Fix calculation of the execution buffer end in the mapped pages 
when it is spilled into the next page.

MFC after:	1 month
 2012-05-28 13:55:49 +00:00
dim
83c05d9d51 Fix the following clang warning in drm2: 
sys/dev/drm2/i915/intel_display.c:8861:3: error: expression result unused [-Werror,-Wunused-value]
                  _intel_wait_for(dev,
                  ^~~~~~~~~~~~~~~~~~~~
  @/dev/drm2/i915/intel_drv.h:55:2: note: expanded from macro '_intel_wait_for'
          ret;                                                            \
          ^~~

Reviewed by:	kib
MFC after:	1 week
 2012-05-24 19:13:54 +00:00
kib
d1d8560148 Add the code for new Intel GPU driver, which supports GEM, KMS and 
works with new generations of GPUs (IronLake, SandyBridge and
supposedly IvyBridge).

The driver is not connected to the build yet.

Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
 2012-05-22 11:07:44 +00:00