panfrost: Only take the fast paths on buffers aligned to block size
As the functions operate on 16-byte blocks. Fixes this Valgrind error: Invalid read of size 4 at 0x5857568: swizzle_bpp1_align16 (pan_swizzle.c:85) by 0x585780F: panfrost_texture_swizzle (pan_swizzle.c:171) by 0x584F587: panfrost_tile_texture (pan_resource.c:489) by 0x584F641: panfrost_transfer_unmap (pan_resource.c:525) by 0x587718D: u_transfer_helper_transfer_unmap (u_transfer_helper.c:516) by 0x5875D85: pipe_transfer_unmap (u_inlines.h:515) by 0x5875F13: u_default_texture_subdata (u_transfer.c:80) by 0x53FFDC3: st_TexSubImage (st_cb_texture.c:1480) by 0x54005BB: st_TexImage (st_cb_texture.c:1709) by 0x5391353: teximage (teximage.c:3105) by 0x5391353: teximage_err (teximage.c:3132) by 0x5391B9B: _mesa_TexImage2D (teximage.c:3170) by 0x5097A77: shared_dispatch_stub_183 (glapi_mapi_tmp.h:18833) Address 0x1e94f1e8 is 0 bytes after a block of size 16 alloc'd at 0x483F5C8: malloc (vg_replace_malloc.c:299) by 0x584F47D: panfrost_transfer_map (pan_resource.c:467) by 0x587694D: u_transfer_helper_transfer_map (u_transfer_helper.c:243) by 0x5875EA7: u_default_texture_subdata (u_transfer.c:59) by 0x53FFDC3: st_TexSubImage (st_cb_texture.c:1480) by 0x54005BB: st_TexImage (st_cb_texture.c:1709) by 0x5391353: teximage (teximage.c:3105) by 0x5391353: teximage_err (teximage.c:3132) by 0x5391B9B: _mesa_TexImage2D (teximage.c:3170) by 0x5097A77: shared_dispatch_stub_183 (glapi_mapi_tmp.h:18833) by 0x4DA8AB: glu::CallLogWrapper::glTexImage2D(unsigned int, int, int, int, int, int, unsigned int, unsigned int, void const*) (in /home/tomeu/deqp-build/modules/gles2/deqp-gles2) Signed-off-by:Tomeu Vizoso <tomeu.vizoso@collabora.com> Reviewed-by:
Emil Velikov <emil.velikov@collabora.com> Cc: 19.1 <mesa-stable@lists.freedesktop.org> (cherry picked from commit c3538ab5)