On Fri, Apr 30, 2021 at 03:55:28PM +0300, Ville Syrjälä wrote: > On Fri, Apr 30, 2021 at 07:12:53AM +0000, Gupta, Anshuman wrote: > > > > > > > -----Original Message----- > > > From: Ville Syrjälä <ville.syrj...@linux.intel.com> > > > Sent: Wednesday, April 28, 2021 12:26 AM > > > To: Gupta, Anshuman <anshuman.gu...@intel.com> > > > Cc: intel-gfx@lists.freedesktop.org; Vivi, Rodrigo > > > <rodrigo.v...@intel.com>; > > > Gaurav, Kumar <kumar.gau...@intel.com>; Shankar, Uma > > > <uma.shan...@intel.com>; Ceraolo Spurio, Daniele > > > <daniele.ceraolospu...@intel.com> > > > Subject: Re: [PATCH v3 15/16] drm/i915/pxp: black pixels on pxp disabled > > > > > > On Tue, Apr 27, 2021 at 04:15:04PM +0530, Anshuman Gupta wrote: > > > > When protected sufaces has flipped and pxp session is disabled, > > > > display black pixels by using plane color CTM correction. > > > > > > > > v2: > > > > - Display black pixels in aysnc flip too. > > > > > > We can't change any of that with an async flip. > > I was thinking of an scenario , when application flip the protected > > surfaces with synchronous flips > > and driver has enable the plane decryption, can application issue an > > intermediate async flip with > > protected surfaces afterwards ? > > If above is possible, is it possible to display black pixels in case of pxp > > session invalidation at the time of > > Plane commit? > > We'll just have to refuse the async flip if the session has > been invalidated.
This seems the simplest way... but the effect would be different right? We wouldn't get the desired blank screen, but frozen screen?! Any possibility of a blank screen on this scenario? > > -- > Ville Syrjälä > Intel > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
