diff options
| author | Thomas Hellstrom <thellstrom@vmware.com> | 2019-05-29 08:15:19 +0200 |
|---|---|---|
| committer | Thomas Hellstrom <thellstrom@vmware.com> | 2019-06-11 16:59:54 +0200 |
| commit | cc0ba0d8624f210995924bb57a8b181ce8976606 (patch) | |
| tree | d9f31efec66c045ee2bb70dc00b75b4784be9984 /drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c | |
| parent | 5ed7f4b5eca11c3c69e7c8b53e4321812bc1ee1e (diff) | |
drm/vmwgfx: Use the backdoor port if the HB port is not available
The HB port may not be available for various reasons. Either it has been
disabled by a config option or by the hypervisor for other reasons.
In that case, make sure we have a backup plan and use the backdoor port
instead with a performance penalty.
Cc: stable@vger.kernel.org
Fixes: 89da76fde68d ("drm/vmwgfx: Add VMWare host messaging capability")
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c')
0 files changed, 0 insertions, 0 deletions