RE: [PATCH] drm/xe/fbdev: Limit the usage of stolen for LNL+

2024-07-14 Thread Shankar, Uma
e ; Belgaumkar, Vinay > > Subject: Re: [PATCH] drm/xe/fbdev: Limit the usage of stolen for LNL+ > > On Thu, Jul 11, 2024 at 09:37:41AM GMT, Matt Roper wrote: > >On Thu, Jul 11, 2024 at 10:43:39AM +0530, Uma Shankar wrote: > >> As per recommendation in the workarounds: > >

RE: [PATCH] drm/xe/fbdev: Limit the usage of stolen for LNL+

2024-07-14 Thread Shankar, Uma
t; Subject: Re: [PATCH] drm/xe/fbdev: Limit the usage of stolen for LNL+ > > On Thu, Jul 11, 2024 at 10:43:39AM +0530, Uma Shankar wrote: > > As per recommendation in the workarounds: > > WA_14021987551, Wa_16023588340: > > The first one here isn't a valid workaroun

RE: [PATCH] drm/xe/fbdev: Limit the usage of stolen for LNL+

2024-07-14 Thread Shankar, Uma
t; Subject: Re: [PATCH] drm/xe/fbdev: Limit the usage of stolen for LNL+ > > On Thu, Jul 11, 2024 at 10:43:39AM GMT, Uma Shankar wrote: > >As per recommendation in the workarounds: > >WA_14021987551, Wa_16023588340: > > > >There is an issue with accessing Stolen memo

Re: [PATCH] drm/xe/fbdev: Limit the usage of stolen for LNL+

2024-07-11 Thread Ville Syrjälä
On Thu, Jul 11, 2024 at 11:31:54AM -0500, Lucas De Marchi wrote: > On Thu, Jul 11, 2024 at 10:43:39AM GMT, Uma Shankar wrote: > >As per recommendation in the workarounds: > >WA_14021987551, Wa_16023588340: > > > >There is an issue with accessing Stolen memory pages due a > >hardware limitation. Lim

Re: [PATCH] drm/xe/fbdev: Limit the usage of stolen for LNL+

2024-07-11 Thread Lucas De Marchi
On Thu, Jul 11, 2024 at 09:37:41AM GMT, Matt Roper wrote: On Thu, Jul 11, 2024 at 10:43:39AM +0530, Uma Shankar wrote: As per recommendation in the workarounds: WA_14021987551, Wa_16023588340: The first one here isn't a valid workaround lineage number, just a per-platform ticket number. I thi

Re: [PATCH] drm/xe/fbdev: Limit the usage of stolen for LNL+

2024-07-11 Thread Matt Roper
On Thu, Jul 11, 2024 at 10:43:39AM +0530, Uma Shankar wrote: > As per recommendation in the workarounds: > WA_14021987551, Wa_16023588340: The first one here isn't a valid workaround lineage number, just a per-platform ticket number. I think you meant Wa_22019338487, which is the lineage number t

Re: [PATCH] drm/xe/fbdev: Limit the usage of stolen for LNL+

2024-07-11 Thread Lucas De Marchi
On Thu, Jul 11, 2024 at 10:43:39AM GMT, Uma Shankar wrote: As per recommendation in the workarounds: WA_14021987551, Wa_16023588340: There is an issue with accessing Stolen memory pages due a hardware limitation. Limit the usage of stolen memory for fbdev for LNL+. Don't use BIOS FB from stolen

[PATCH] drm/xe/fbdev: Limit the usage of stolen for LNL+

2024-07-10 Thread Uma Shankar
As per recommendation in the workarounds: WA_14021987551, Wa_16023588340: There is an issue with accessing Stolen memory pages due a hardware limitation. Limit the usage of stolen memory for fbdev for LNL+. Don't use BIOS FB from stolen on LNL+ and assign the same from system memory. Signed-off-b