testdisplay: Round tiled allocations up to pot stride and fence size
testdisplay: Round tiled allocations up to pot stride and fence size

Be simple and use the strictest requirements from gen2/3 with old
kernels so that this simply works everywhere.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=42585

ChrisCummins/intel-gpu-tools,mv0/intel-gpu-tools,yipdw/intel-gpu-tools,tiagovignatti/intel-gpu-tools,yipdw/intel-gpu-tools,mv0/intel-gpu-tools,rib/intel-gpu-tools,mv0/intel-gpu-tools,tiagovignatti/intel-gpu-tools,chenxianqin/intel-gpu-tools,rib/intel-gpu-tools,erikarn/intel-gpu-tools,chenxianqin/intel-gpu-tools,chenxianqin/intel-gpu-tools,ChrisCummins/intel-gpu-tools,yipdw/intel-gpu-tools,dlespiau/checkmate-test-igt,dlespiau/checkmate-test-igt,erikarn/intel-gpu-tools,ChrisCummins/intel-gpu-tools,mv0/intel-gpu-tools,rib/intel-gpu-tools,yipdw/intel-gpu-tools,rib/intel-gpu-tools,tiagovignatti/intel-gpu-tools,tiagovignatti/intel-gpu-tools,dlespiau/intel-gpu-tools,dlespiau/intel-gpu-tools,dlespiau/checkmate-test-igt,dlespiau/checkmate-test-igt,erikarn/intel-gpu-tools,chenxianqin/intel-gpu-tools,erikarn/intel-gpu-tools,ChrisCummins/intel-gpu-tools,dlespiau/intel-gpu-tools