Re: [Intel-gfx] [PATCH v2] drm/i915: Fix eDP blank screen after S3 resume on HP desktops

2012-06-22 Thread Paul Menzel
Am Donnerstag, den 21.06.2012, 15:30 +0200 schrieb Takashi Iwai: > This patch fixes the problem on some HP desktop machines with eDP > which give blank screens after S3 resume. > > It turned out that BLC_PWM_CPU_CTL must be written after > BLC_PWM_CPU_CTL2. Otherwise it doesn't take effect on the

Re: [Intel-gfx] [PATCH] drm/i915: prefer wide & slow to fast & narrow in DP configs

2012-06-22 Thread Chris Wilson
On Thu, 21 Jun 2012 18:13:19 -0700, Keith Packard wrote: > Jesse Barnes writes: > > > High frequency link configurations have the potential to cause trouble > > with long and/or cheap cables, so prefer slow and wide configurations > > instead. This patch has the potential to cause trouble for e

Re: [Intel-gfx] [PATCH] drm/i915: prefer wide & slow to fast & narrow in DP configs

2012-06-22 Thread Adam Jackson
On Fri, 2012-06-22 at 10:05 +0100, Chris Wilson wrote: > On Thu, 21 Jun 2012 18:13:19 -0700, Keith Packard wrote: > > Jesse Barnes writes: > > > > > High frequency link configurations have the potential to cause trouble > > > with long and/or cheap cables, so prefer slow and wide configurations

Re: [Intel-gfx] [PATCH] drm/i915: prefer wide & slow to fast & narrow in DP configs

2012-06-22 Thread Jesse Barnes
On Fri, 22 Jun 2012 10:05:19 +0100 Chris Wilson wrote: > On Thu, 21 Jun 2012 18:13:19 -0700, Keith Packard wrote: > > Jesse Barnes writes: > > > > > High frequency link configurations have the potential to cause trouble > > > with long and/or cheap cables, so prefer slow and wide configuration

Re: [Intel-gfx] [PATCH] drm/i915: prefer wide & slow to fast & narrow in DP configs

2012-06-22 Thread Keith Packard
Chris Wilson writes: > On Thu, 21 Jun 2012 18:13:19 -0700, Keith Packard wrote: > It was structured to minimise lane count because certain chipsets did > not wire up all the lanes, right? Is that still relevant as we are using > the advertised max_lane_count from the DPCD now? We've always use

Re: [Intel-gfx] [PATCH] drm/i915: prefer wide & slow to fast & narrow in DP configs

2012-06-22 Thread Keith Packard
Jesse Barnes writes: > In embedded applications, some of the lanes may not exist, but the DPCD > should indicate that (though as Keith says, some lie about it). But if > we set aside eDP it may be safe... Yeah, that's my thinking. We should probably include eDP hooked up to the PCH DP lanes (fo

Re: [Intel-gfx] [PATCH] drm/i915: prefer wide & slow to fast & narrow in DP configs

2012-06-22 Thread Chris Wilson
On Fri, 22 Jun 2012 10:40:22 -0700, Keith Packard wrote: > Chris Wilson writes: > > > On Thu, 21 Jun 2012 18:13:19 -0700, Keith Packard wrote: > > > It was structured to minimise lane count because certain chipsets did > > not wire up all the lanes, right? Is that still relevant as we are usin

[Intel-gfx] Ivy Bridge open source programming manuals are now available

2012-06-22 Thread Eugeni Dodonov
Hi folks, Intel Open Source HD Graphics Programmer's Reference Manuals (PRMs) for 2012 Intel Core Processor Family (codenamed Ivy Bridge) are now available at http://intellinuxgraphics.org/documentation.html. Have fun :). -- Eugeni Dodonov __

Re: [Intel-gfx] GMA 950 Intel 945G gallium driver

2012-06-22 Thread Stéphane Marchesin
On Sun, Jun 3, 2012 at 5:44 AM, Emam Hossain wrote: > Hello Everyone, > > Recently I have tested one of my old desktop which got Intel 945G on a > Dual Core CPU. I have installed Ubuntu 11.10 with XServer 1.11, kernel 3.2 > and xf86-video-intel 2.18. > > What I have found that Gallium driver i915

Re: [Intel-gfx] GMA 950 Intel 945G gallium driver

2012-06-22 Thread Alan W. Irwin
On 2012-06-22 11:18-0700 Stéphane Marchesin wrote: On Sun, Jun 3, 2012 at 5:44 AM, Emam Hossain wrote: Hello Everyone, Recently I have tested one of my old desktop which got Intel 945G on a Dual Core CPU. I have installed Ubuntu 11.10 with XServer 1.11, kernel 3.2 and xf86

Re: [Intel-gfx] GMA 950 Intel 945G gallium driver

2012-06-22 Thread Stéphane Marchesin
On Fri, Jun 22, 2012 at 12:41 PM, Alan W. Irwin wrote: > On 2012-06-22 11:18-0700 Stéphane Marchesin wrote: > > >> >> On Sun, Jun 3, 2012 at 5:44 AM, Emam Hossain >> wrote: >> Hello Everyone, >> >> Recently I have tested one of my old desktop which got Intel 945G on >> a Dual Core CPU.

Re: [Intel-gfx] [PATCH] drm/i915: rip out the PM_IIR WARN

2012-06-22 Thread Daniel Vetter
On Thu, Jun 21, 2012 at 02:55:22PM +0200, Daniel Vetter wrote: > After banging my head against this for the past few months, I still > don't see how this could possible race under the premise that once an > irq bit is masked in PM_IMR and reset in PM_IIR it won't show up again > until we unmask it

Re: [Intel-gfx] [PATCH v2] drm/i915: Fix eDP blank screen after S3 resume on HP desktops

2012-06-22 Thread Daniel Vetter
On Thu, Jun 21, 2012 at 03:30:41PM +0200, Takashi Iwai wrote: > This patch fixes the problem on some HP desktop machines with eDP > which give blank screens after S3 resume. > > It turned out that BLC_PWM_CPU_CTL must be written after > BLC_PWM_CPU_CTL2. Otherwise it doesn't take effect on these

Re: [Intel-gfx] [PATCH] drm/i915: expose energy counter on SNB and IVB

2012-06-22 Thread Ben Widawsky
On Wed, 20 Jun 2012 14:48:58 -0700 Jesse Barnes wrote: > On SNB and IVB, there's an MSR (also exposed through MCHBAR) we can use > to read out the amount of energy used over time. Expose this in sysfs > to make it easy to do power comparisons with different configurations. > > If the platform s