[Intel-gfx] [PATCH 10/10] drm/i915: Disable use of stolen area by User when Intel RST is present

2016-03-19 Thread ankitprasad . r . sharma
From: Ankitprasad Sharma The BIOS RapidStartTechnology may corrupt the stolen memory across S3 suspend due to unalarmed hibernation, in which case we will not be able to preserve the User data stored in the stolen region. Hence this patch tries to identify

[Intel-gfx] [PATCH 10/10] drm/i915: Disable use of stolen area by User when Intel RST is present

2016-02-29 Thread ankitprasad . r . sharma
From: Ankitprasad Sharma The BIOS RapidStartTechnology may corrupt the stolen memory across S3 suspend due to unalarmed hibernation, in which case we will not be able to preserve the User data stored in the stolen region. Hence this patch tries to identify

Re: [Intel-gfx] [PATCH 10/10] drm/i915: Disable use of stolen area by User when Intel RST is present

2016-02-19 Thread Tvrtko Ursulin
On 19/02/16 06:51, ankitprasad.r.sha...@intel.com wrote: From: Ankitprasad Sharma The BIOS RapidStartTechnology may corrupt the stolen memory across S3 suspend due to unalarmed hibernation, in which case we will not be able to preserve the User data stored in

[Intel-gfx] [PATCH 10/10] drm/i915: Disable use of stolen area by User when Intel RST is present

2016-02-18 Thread ankitprasad . r . sharma
From: Ankitprasad Sharma The BIOS RapidStartTechnology may corrupt the stolen memory across S3 suspend due to unalarmed hibernation, in which case we will not be able to preserve the User data stored in the stolen region. Hence this patch tries to identify

Re: [Intel-gfx] [PATCH 10/10] drm/i915: Disable use of stolen area by User when Intel RST is present

2016-02-11 Thread Tvrtko Ursulin
On 04/02/16 09:30, ankitprasad.r.sha...@intel.com wrote: From: Ankitprasad Sharma The BIOS RapidStartTechnology may corrupt the stolen memory across S3 suspend due to unalarmed hibernation, in which case we will not be able to preserve the User data stored in

Re: [Intel-gfx] [PATCH 10/10] drm/i915: Disable use of stolen area by User when Intel RST is present

2016-02-11 Thread Lukas Wunner
Hi Ankitprasad, On Thu, Feb 04, 2016 at 05:43:17PM +0100, Lukas Wunner wrote: > On Thu, Feb 04, 2016 at 04:05:04PM +, Chris Wilson wrote: > > We could #define INTEL_RAPID_START "INT3392" for > > if (IS_ENABLED(CONFIG_SUSPEND) && acpi_dev_present(INTEL_RAPID_START)) > > but Anki wanted to keep

[Intel-gfx] [PATCH 10/10] drm/i915: Disable use of stolen area by User when Intel RST is present

2016-02-04 Thread ankitprasad . r . sharma
From: Ankitprasad Sharma The BIOS RapidStartTechnology may corrupt the stolen memory across S3 suspend due to unalarmed hibernation, in which case we will not be able to preserve the User data stored in the stolen region. Hence this patch tries to identify

Re: [Intel-gfx] [PATCH 10/10] drm/i915: Disable use of stolen area by User when Intel RST is present

2016-02-04 Thread Chris Wilson
On Thu, Feb 04, 2016 at 04:46:55PM +0100, Lukas Wunner wrote: > > + /* If the stolen region can be modified behind our backs upon suspend, > > +* then we cannot use it to store nonvolatile contents (i.e user data) > > +* as it will be corrupted upon resume. > > +*/ > > +

Re: [Intel-gfx] [PATCH 10/10] drm/i915: Disable use of stolen area by User when Intel RST is present

2016-02-04 Thread Lukas Wunner
Hi, On Thu, Feb 04, 2016 at 03:00:11PM +0530, ankitprasad.r.sha...@intel.com wrote: > From: Ankitprasad Sharma > > The BIOS RapidStartTechnology may corrupt the stolen memory across S3 > suspend due to unalarmed hibernation, in which case we will not be able > to

Re: [Intel-gfx] [PATCH 10/10] drm/i915: Disable use of stolen area by User when Intel RST is present

2016-02-04 Thread Lukas Wunner
Hi, On Thu, Feb 04, 2016 at 04:05:04PM +, Chris Wilson wrote: > On Thu, Feb 04, 2016 at 04:46:55PM +0100, Lukas Wunner wrote: > > > + /* If the stolen region can be modified behind our backs upon suspend, > > > + * then we cannot use it to store nonvolatile contents (i.e user data) > > > +

Re: [Intel-gfx] [PATCH 10/10] drm/i915: Disable use of stolen area by User when Intel RST is present

2016-01-26 Thread Chris Wilson
On Tue, Jan 26, 2016 at 01:13:36AM +0530, ankitprasad.r.sha...@intel.com wrote: > From: Ankitprasad Sharma > > The BIOS RapidStartTechnology may corrupt the stolen memory across S3 > suspend due to unalarmed hibernation, in which case we will not be able > to

[Intel-gfx] [PATCH 10/10] drm/i915: Disable use of stolen area by User when Intel RST is present

2016-01-25 Thread ankitprasad . r . sharma
From: Ankitprasad Sharma The BIOS RapidStartTechnology may corrupt the stolen memory across S3 suspend due to unalarmed hibernation, in which case we will not be able to preserve the User data stored in the stolen region. Hence this patch tries to identify

Re: [Intel-gfx] [PATCH 10/10] drm/i915: Disable use of stolen area by User when Intel RST is present

2016-01-05 Thread Daniel Vetter
On Tue, Dec 22, 2015 at 11:50:53AM +0530, ankitprasad.r.sha...@intel.com wrote: > From: Ankitprasad Sharma > > The BIOS RapidStartTechnology may corrupt the stolen memory across S3 > suspend due to unalarmed hibernation, in which case we will not be able > to

Re: [Intel-gfx] [PATCH 10/10] drm/i915: Disable use of stolen area by User when Intel RST is present

2015-12-22 Thread Tvrtko Ursulin
Hi, On 22/12/15 06:20, ankitprasad.r.sha...@intel.com wrote: From: Ankitprasad Sharma The BIOS RapidStartTechnology may corrupt the stolen memory across S3 suspend due to unalarmed hibernation, in which case we will not be able to preserve the User data stored

Re: [Intel-gfx] [PATCH 10/10] drm/i915: Disable use of stolen area by User when Intel RST is present

2015-12-22 Thread Chris Wilson
On Tue, Dec 22, 2015 at 11:50:53AM +0530, ankitprasad.r.sha...@intel.com wrote: > From: Ankitprasad Sharma > > The BIOS RapidStartTechnology may corrupt the stolen memory across S3 > suspend due to unalarmed hibernation, in which case we will not be able > to

[Intel-gfx] [PATCH 10/10] drm/i915: Disable use of stolen area by User when Intel RST is present

2015-12-21 Thread ankitprasad . r . sharma
From: Ankitprasad Sharma The BIOS RapidStartTechnology may corrupt the stolen memory across S3 suspend due to unalarmed hibernation, in which case we will not be able to preserve the User data stored in the stolen region. Hence this patch tries to identify