[PATCH] drm/radeon: add si tile mode array query v2

From: Jerome Glisse Allow userspace to query for the tile mode array so userspace can properly compute surface pitch and alignment requirement depending on tiling. v2: Make strict aliasing safer by casting to char when copying Signed-off-by: Jerome Glisse --- drivers/gpu/drm/radeon/radeon.h

[PATCH] drm/radeon: add si tile mode array query v2

From: Jerome Glisse Allow userspace to query for the tile mode array so userspace can properly compute surface pitch and alignment requirement depending on tiling. v2: Make strict aliasing safer by casting to char when copying Signed-off-by: Jerome Glisse --- drivers/gpu/drm/radeon/radeon.h