All kernel 4.14 devices were switched to graphics "v3" (rather, from 2.1 to 2.3, with 2.4 right around the corner) but Yoshino was "forgotten" or left out (iirc because k4.14 support landed later than the other platforms?). Anyway, it's here now and required to boot R where vintf version matches are more strict; vintf has always exposed 2.3 exclusively.
The HAL used for kernel 4.14 (8.1 branch) exports allocator and mapper v3. Setting this property makes sure the vintf manifest represents this, in turn allowing the system to use it.
All kernel 4.14 devices were switched to graphics "v3" (rather, from 2.1 to 2.3, with 2.4 right around the corner) but Yoshino was "forgotten" or left out (iirc because k4.14 support landed later than the other platforms?). Anyway, it's here now and required to boot R where vintf version matches are more strict; vintf has always exposed
2.3exclusively.See https://github.com/sonyxperiadev/device-sony-common/pull/667
The HAL used for kernel 4.14 (8.1 branch) exports allocator and mapper v3. Setting this property makes sure the vintf manifest represents this, in turn allowing the system to use it.