[Intel-gfx] [PATCH] drm/i915/dmc: Change DMC FW size on ADL-P

[Srivatsa, Anusha]

> -----Original Message-----
> From: Tolakanahalli Pradeep, Madhumitha
> <madhumitha.tolakanahalli.pradeep at intel.com>
> Sent: Wednesday, December 8, 2021 8:25 AM
> To: Srivatsa, Anusha <anusha.srivatsa at intel.com>; De Marchi, Lucas
> <lucas.demarchi at intel.com>
> Cc: intel-gfx at lists.freedesktop.org
> Subject: Re: [Intel-gfx] [PATCH] drm/i915/dmc: Change DMC FW size on ADL-
> P
> 
> @Lucas Thanks for the R-b.
> 
> The BSpec is currently missing size related info, we're working on getting it
> added.
> 
> Strange indeed that v2.12 was above 24kB.
> 
> @Anusha, do you recall any size related issues for v2.12?

No. I don’t recall any size related issue for any dmc version till 2.14

Anusha
> - Madhumitha
> 
> On Mon, 2021-12-06 at 22:44 -0800, Lucas De Marchi wrote:
> > On Mon, Dec 06, 2021 at 06:37:18PM -0800, Madhumitha Tolakanahalli
> > Pradeep wrote:
> > > Increase the size of DMC on ADL-P to account for support of new
> > > features in the current/upcoming DMC versions.
> >
> > I was trying to find anything related on Bspec 49193 and 49194, but
> > didn't find anything related to size.
> >
> > However I see adl-p 2.12 firmware is already above the previous 24kB.
> > How did we ever loaded DMC? Yes, this is not the file size, but rather
> > the payload size, but AFAICS the rest should account for less than 1k,
> > so it doesn't make a real difference.
> >
> > For this specific change:
> >
> >
> > Reviewed-by: Lucas De Marchi <lucas.demarchi at intel.com>
> >
> > thanks
> > Lucas De Marchi
>