Add a handler for the WSDISPLAYIO_GINFO ioctl in radeondrm, allowing

to retrieve basic information about a framebuffer display.

OK visa@, deraadt@

diff --git a/sys/dev/pci/drm/radeon/radeon_kms.c b/sys/dev/pci/drm/radeon/radeon_kms.c
index 89d7343..4b5dfd5 100644 (file)
--- a/sys/dev/pci/drm/radeon/radeon_kms.c
+++ b/sys/dev/pci/drm/radeon/radeon_kms.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: radeon_kms.c,v 1.49 2017/01/08 12:11:54 fcambus Exp $ */
+/*     $OpenBSD: radeon_kms.c,v 1.50 2017/06/19 11:03:30 fcambus Exp $ */
 /*
  * Copyright 2008 Advanced Micro Devices, Inc.
  * Copyright 2008 Red Hat Inc.
@@ -354,10 +354,20 @@ struct wsdisplay_accessops radeondrm_accessops = {
 int
 radeondrm_wsioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
 {
+       struct rasops_info *ri = v;
+       struct wsdisplay_fbinfo *wdf;
+
        switch (cmd) {
        case WSDISPLAYIO_GTYPE:
                *(int *)data = WSDISPLAY_TYPE_RADEONDRM;
                return 0;
+       case WSDISPLAYIO_GINFO:
+               wdf = (struct wsdisplay_fbinfo *)data;
+               wdf->width = ri->ri_width;
+               wdf->height = ri->ri_height;
+               wdf->depth = ri->ri_depth;
+               wdf->cmsize = 0;
+               return 0;
        default:
                return -1;
        }