Re: [Intel-gfx] [PATCH] drm/i915: Skip Stolen Memory first page.

2015-02-03 Thread Daniel Vetter
On Tue, Feb 03, 2015 at 07:40:21PM +0200, Ville Syrjälä wrote: > On Tue, Feb 03, 2015 at 04:11:05PM +, Siluvery, Arun wrote: > > On 01/08/2014 17:34, Jesse Barnes wrote: > > > On Thu, 31 Jul 2014 12:08:20 -0700 > > > Rodrigo Vivi wrote: > > > > > >> WA to skip the first page of stolen memory d

Re: [Intel-gfx] [PATCH] drm/i915: Skip Stolen Memory first page.

2015-02-03 Thread Ville Syrjälä
On Tue, Feb 03, 2015 at 04:11:05PM +, Siluvery, Arun wrote: > On 01/08/2014 17:34, Jesse Barnes wrote: > > On Thu, 31 Jul 2014 12:08:20 -0700 > > Rodrigo Vivi wrote: > > > >> WA to skip the first page of stolen memory due to sporadic HW write on *CS > >> Idle > >> > >> v2: Improve variable na

Re: [Intel-gfx] [PATCH] drm/i915: Skip Stolen Memory first page.

2015-02-03 Thread Siluvery, Arun
On 01/08/2014 17:34, Jesse Barnes wrote: On Thu, 31 Jul 2014 12:08:20 -0700 Rodrigo Vivi wrote: WA to skip the first page of stolen memory due to sporadic HW write on *CS Idle v2: Improve variable names and fix allocated size. Reviewed-by: Ben Widawsky Signed-off-by: Rodrigo Vivi --- dri

Re: [Intel-gfx] [PATCH] drm/i915: Skip Stolen Memory first page.

2014-08-01 Thread Jesse Barnes
On Thu, 31 Jul 2014 12:08:20 -0700 Rodrigo Vivi wrote: > WA to skip the first page of stolen memory due to sporadic HW write on *CS > Idle > > v2: Improve variable names and fix allocated size. > > Reviewed-by: Ben Widawsky > Signed-off-by: Rodrigo Vivi > --- > drivers/gpu/drm/i915/i915_gem

[Intel-gfx] [PATCH] drm/i915: Skip Stolen Memory first page.

2014-07-31 Thread Rodrigo Vivi
WA to skip the first page of stolen memory due to sporadic HW write on *CS Idle v2: Improve variable names and fix allocated size. Reviewed-by: Ben Widawsky Signed-off-by: Rodrigo Vivi --- drivers/gpu/drm/i915/i915_gem_stolen.c | 15 ++- 1 file changed, 10 insertions(+), 5 deletion

Re: [Intel-gfx] [PATCH] drm/i915: Skip Stolen Memory first page.

2014-07-31 Thread Ville Syrjälä
On Wed, Jul 30, 2014 at 10:47:46AM -0700, Rodrigo Vivi wrote: > WA to skip the first page of stolen memory due to sporadic HW write on *CS > Idle How does this interact with the BIOS FB takeover? Do BDW systems even place the BIOS FB at the start if stolen due to this W/A? We have no code to veri

Re: [Intel-gfx] [PATCH] drm/i915: Skip Stolen Memory first page.

2014-07-30 Thread Chris Wilson
On Wed, Jul 30, 2014 at 10:47:46AM -0700, Rodrigo Vivi wrote: > WA to skip the first page of stolen memory due to sporadic HW write on *CS > Idle > > Signed-off-by: Rodrigo Vivi > --- > drivers/gpu/drm/i915/i915_gem_stolen.c | 9 +++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > >

Re: [Intel-gfx] [PATCH] drm/i915: Skip Stolen Memory first page.

2014-07-30 Thread Ben Widawsky
On Wed, Jul 30, 2014 at 10:47:46AM -0700, Rodrigo Vivi wrote: > WA to skip the first page of stolen memory due to sporadic HW write on *CS > Idle > > Signed-off-by: Rodrigo Vivi > --- > drivers/gpu/drm/i915/i915_gem_stolen.c | 9 +++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > >

[Intel-gfx] [PATCH] drm/i915: Skip Stolen Memory first page.

2014-07-30 Thread Rodrigo Vivi
WA to skip the first page of stolen memory due to sporadic HW write on *CS Idle Signed-off-by: Rodrigo Vivi --- drivers/gpu/drm/i915/i915_gem_stolen.c | 9 +++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_