amd/common: Always initialize gfx9 mipmap offset/pitch.
The display WSI expects WSI to be meaningful even for tiled textures.
(It is used for the modesetting pitch)
Fixes: 824bd083 "radv: return the correct pitch for linear mipmaps on GFX10"
The display WSI expects WSI to be meaningful even for tiled textures.
(It is used for the modesetting pitch)
Fixes: 824bd083 "radv: return the correct pitch for linear mipmaps on GFX10"