Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-30 Thread Daniel Vetter
On Thu, Jan 30, 2014 at 09:53:54AM -0500, Alan Stern wrote: On Tue, 28 Jan 2014, Daniel Vetter wrote: I think I need a bit more debug output first. Can you please apply the below patch to drm-intel-nightly and then grab a drm.debug=0xe dmesg from boot? The dmesg output is below. Since

Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-30 Thread Alan Stern
On Thu, 30 Jan 2014, Daniel Vetter wrote: Ok, I seem to have been truly blind all the time. This seems to have been fallout from commit b6c5164d7bf624f3e1b750787ddb983150c5117c Author: Daniel Vetter daniel.vet...@ffwll.ch Date: Fri Apr 12 18:48:43 2013 +0200 drm/i915: Fixup Oops

Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-28 Thread Daniel Vetter
On Wed, Jan 8, 2014 at 7:43 PM, Ville Syrjälä ville.syrj...@linux.intel.com wrote: The log looks fairly clear to me: 1. initially panel fitter is enabled on pipe B, and pipe B is outputting to LVDS and VGA. Border is enabled. 2. pipe A gets enabled outputting to LVDS. This will overwrite

Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-28 Thread Daniel Vetter
On Tue, Jan 28, 2014 at 06:17:00PM +0100, Daniel Vetter wrote: On Wed, Jan 8, 2014 at 7:43 PM, Ville Syrjälä ville.syrj...@linux.intel.com wrote: The log looks fairly clear to me: 1. initially panel fitter is enabled on pipe B, and pipe B is outputting to LVDS and VGA. Border is

Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-27 Thread Daniel Vetter
On Tue, Jan 14, 2014 at 3:43 PM, Alan Stern st...@rowland.harvard.edu wrote: Don't bother. I'll redo it using the drm-intel-nightly branch, but I won't have time for a few days. My apologies for the delay in getting around to this. Can you please test the patch i've just posted?

Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-27 Thread Daniel Vetter
On Mon, Jan 27, 2014 at 10:30:11AM -0500, Alan Stern wrote: On Mon, 27 Jan 2014, Daniel Vetter wrote: On Tue, Jan 14, 2014 at 3:43 PM, Alan Stern st...@rowland.harvard.edu wrote: Don't bother. I'll redo it using the drm-intel-nightly branch, but I won't have time for a few days.

Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-27 Thread Alan Stern
On Mon, 27 Jan 2014, Daniel Vetter wrote: By the way, I tried getting an up-to-date version of your drm-intel-nightly branch, and ended up with the following: $ git clone --depth 1 -b drm-intel-nightly http://cgit.freedesktop.org/~danvet/drm-intel/ Cloning into 'drm-intel'...

Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-27 Thread Alan Stern
On Mon, 27 Jan 2014, Daniel Vetter wrote: On Tue, Jan 14, 2014 at 3:43 PM, Alan Stern st...@rowland.harvard.edu wrote: Don't bother. I'll redo it using the drm-intel-nightly branch, but I won't have time for a few days. My apologies for the delay in getting around to this. Can you please

Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-27 Thread Daniel Vetter
On Mon, Jan 27, 2014 at 11:05:47AM -0500, Alan Stern wrote: On Mon, 27 Jan 2014, Daniel Vetter wrote: By the way, I tried getting an up-to-date version of your drm-intel-nightly branch, and ended up with the following: $ git clone --depth 1 -b drm-intel-nightly

Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-27 Thread Alan Stern
On Mon, 27 Jan 2014, Daniel Vetter wrote: On Mon, Jan 27, 2014 at 11:05:47AM -0500, Alan Stern wrote: On Mon, 27 Jan 2014, Daniel Vetter wrote: By the way, I tried getting an up-to-date version of your drm-intel-nightly branch, and ended up with the following: $ git clone

Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-14 Thread Daniel Vetter
On Mon, Jan 13, 2014 at 03:16:42PM -0500, Alan Stern wrote: On Wed, 8 Jan 2014, Daniel Vetter wrote: On Wed, Jan 08, 2014 at 01:34:02PM -0500, Alan Stern wrote: On Wed, 8 Jan 2014, Daniel Vetter wrote: On Wed, Jan 08, 2014 at 11:08:08AM -0500, Alan Stern wrote: On Tue, 7 Jan

Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-14 Thread Jani Nikula
On Mon, 13 Jan 2014, Alan Stern st...@rowland.harvard.edu wrote: On Wed, 8 Jan 2014, Daniel Vetter wrote: On Wed, Jan 08, 2014 at 01:34:02PM -0500, Alan Stern wrote: On Wed, 8 Jan 2014, Daniel Vetter wrote: On Wed, Jan 08, 2014 at 11:08:08AM -0500, Alan Stern wrote: On Tue, 7 Jan

Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-14 Thread Alan Stern
On Tue, 14 Jan 2014, Daniel Vetter wrote: On Mon, Jan 13, 2014 at 03:16:42PM -0500, Alan Stern wrote: On Wed, 8 Jan 2014, Daniel Vetter wrote: On Wed, Jan 08, 2014 at 01:34:02PM -0500, Alan Stern wrote: On Wed, 8 Jan 2014, Daniel Vetter wrote: On Wed, Jan 08, 2014 at

Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-13 Thread Alan Stern
On Wed, 8 Jan 2014, Daniel Vetter wrote: On Wed, Jan 08, 2014 at 01:34:02PM -0500, Alan Stern wrote: On Wed, 8 Jan 2014, Daniel Vetter wrote: On Wed, Jan 08, 2014 at 11:08:08AM -0500, Alan Stern wrote: On Tue, 7 Jan 2014, Daniel Vetter wrote: I really want users to report

[Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-09 Thread Alan Stern
Hello, The check_crtc_state() routine in drivers/gpu/drm/i915/intel_display.c contains a whole bunch of WARN() statements (and so do other routines in this source file, but this is the one I'm presently concerned about). Is it really necessary for these to be WARN? I don't see how it does any

Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-08 Thread Ville Syrjälä
On Wed, Jan 08, 2014 at 05:17:13PM +0100, Daniel Vetter wrote: On Wed, Jan 08, 2014 at 11:08:08AM -0500, Alan Stern wrote: On Tue, 7 Jan 2014, Daniel Vetter wrote: I really want users to report these issues, and excessive WARNs seems to be the only way to get those reports. Please boot

Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-08 Thread Daniel Vetter
On Wed, Jan 08, 2014 at 01:34:02PM -0500, Alan Stern wrote: On Wed, 8 Jan 2014, Daniel Vetter wrote: On Wed, Jan 08, 2014 at 11:08:08AM -0500, Alan Stern wrote: On Tue, 7 Jan 2014, Daniel Vetter wrote: I really want users to report these issues, and excessive WARNs seems to be

Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

2014-01-07 Thread Daniel Vetter
On Tue, Jan 7, 2014 at 7:50 PM, Alan Stern st...@rowland.harvard.edu wrote: After all, it's not like there's anything I can do to fix the hardware, is there? And it doesn't look like the pipe state mismatch is going to go away by itself. Or is this a genuine, fixable, software bug? These are