Re: [PATCH] vt_buffer: drop console buffer copying optimisations

2015-02-25 Thread Pavel Machek
On Thu 2015-01-29 14:11:25, Dave Airlie wrote: These two copy to/from VGA memory, however on the Silicon Motion SMI750 VGA card on a 64-bit system cause console corruption. This is due to the hw being buggy and not handling a 64-bit transaction correctly. We could try and create a 32-bit

Re: [linux-pm] [PATCH] PM / i915: Skip kernel VT switch during suspend/resume if KMS is used

2010-01-31 Thread Pavel Machek
On Thu 2010-01-28 00:07:51, Stefan Seyfried wrote: Hi, On Tue, 26 Jan 2010 15:58:43 +0100 Pavel Machek pa...@ucw.cz wrote: We need vt switch when display is controlled by userland app directly accessing hw. It may or may not be X (svgalib anyone?, gtk-on-framebuffer? qtopia

Re: [PATCH] PM / i915: Skip kernel VT switch during suspend/resume if KMS is used

2010-01-26 Thread Pavel Machek
On Tue 2010-01-26 19:47:45, Rafael J. Wysocki wrote: On Tuesday 26 January 2010, Pavel Machek wrote: On Mon 2010-01-25 22:54:37, Rafael J. Wysocki wrote: On Monday 25 January 2010, Alan Cox wrote: But in that case we should be able to disable the VT switch disable path; we just

Re: [PATCH] PM / i915: Skip kernel VT switch during suspend/resume if KMS is used

2010-01-26 Thread Pavel Machek
On Tue 2010-01-26 13:46:01, H. Peter Anvin wrote: On 01/26/2010 06:58 AM, Pavel Machek wrote: That would have to be done using suspend notifiers and should depend on what driver actually controls the screen at the moment. And I guess the only case in which we actually _need_ to do

Re: [2.6.29-rc3][Suspend regression][DRM, RADEON]

2009-02-03 Thread Pavel Machek
Are there any patch i could try? Is it possible to run a git bisect excluding all drm commits to find the other bug? hello, I tried 2.6.29-rc3, and things got a little better. Suspend/resume results in a garbage video, but now i have access to my desktop via SSH after resume; so only

Re: in-kernel DRM tree move around....

2008-06-01 Thread Pavel Machek
On Thu 2008-05-29 10:46:22, Dave Airlie wrote: Hi, So I've been growing more annoyed with the current layout of the drm tree in the kernel, a) it lives under char. b) everything in one directory. c) header files in one directory. d) no header files exposed to userspace.

Re: [RFC] full suspend/resume support for i915 DRM driver

2007-10-24 Thread Pavel Machek
Hi! We seem to see a lot of bug reports along the lines of, my machine resumes but I can't see X or, I can see X but only with a bright flashlight, etc. These sorts of problems are due to the fact that the X server isn't designed to do full state save/restore, and none of the available