drm/vmwgfx: Initial DX support

Initial DX support.
Co-authored with Sinclair Yeh, Charmaine Lee and Jakob Bornecrantz.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Charmaine Lee <charmainel@vmware.com>

diff --cc drivers/gpu/drm/vmwgfx/Makefile
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_binding.c
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_binding.h
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_context.c
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_resource_priv.h
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_so.c
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_so.h
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
Simple merge

diff --cc include/uapi/drm/vmwgfx_drm.h
Simple merge