[Intel-gfx] [Regression] drm/i915: Don't use BAR mappings for ring buffers with LLC alone creates issues in stable kernels

[Greg Kroah-Hartman]

On Tue, Mar 21, 2023 at 07:58:44AM +0700, Philip Müller wrote:
> On 20.03.23 20:28, Greg Kroah-Hartman wrote:
> > On Sun, Mar 19, 2023 at 10:01:01AM +0700, Philip Müller wrote:
> > > Have to correct the affected kernels to these: 4.14.310, 4.19.278, 5.4.237,
> > > 5.10.175
> > 
> > Please don't top-post :(
> > 
> > Anyway, should be fixed in the next round of releases in a few days, if
> > not, please let us know.
> > 
> > greg k-h
> 
> Hi Greg,
> 
> seems the RCs work out. 4.19.279-rc1 and 5.10.176-rc1 were tested by a user
> who had the issue on i915. In 5.15 series the drm patch got reverted. I only
> see "drm/i915: Don't use stolen memory for ring buffers with LLC" there as
> "drm/i915: Don't use BAR mappings for ring buffers with LLC" was reverted
> with 5.15.101.

So is 5.15.y ok or not?  Sorry, I could not parse your response here.

thanks,

greg k-h