drm/vmwgfx: (Re)bind shaders to MOBs with the correct offset

This codepath is mostly hit when rebinding after a backup buffer swapout. It's
amazing that this error hasn't been more obvious but probably the shaders are
not reread from guest memory that often..

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
index 8719fb3..6a4584a 100644 (file)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
@@ -198,7 +198,7 @@ static int vmw_gb_shader_bind(struct vmw_resource *res,
        cmd->header.size = sizeof(cmd->body);
        cmd->body.shid = res->id;
        cmd->body.mobid = bo->mem.start;
-       cmd->body.offsetInBytes = 0;
+       cmd->body.offsetInBytes = res->backup_offset;
        res->backup_dirty = false;
        vmw_fifo_commit(dev_priv, sizeof(*cmd));