[PATCH 1/4] drm/doc: use cross-references for macros

[Simon Ser]

These will show up as monospace, and will get linkified as soon as
we document the macro they point to.

Signed-off-by: Simon Ser <contact at emersion.fr>
Cc: Pekka Paalanen <pekka.paalanen at collabora.com>
Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 Documentation/gpu/drm-uapi.rst | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/gpu/drm-uapi.rst b/Documentation/gpu/drm-uapi.rst
index 65fb3036a580..f2fe6e8bd018 100644
--- a/Documentation/gpu/drm-uapi.rst
+++ b/Documentation/gpu/drm-uapi.rst
@@ -450,12 +450,12 @@ VBlank event handling
 
 The DRM core exposes two vertical blank related ioctls:
 
-DRM_IOCTL_WAIT_VBLANK
+:c:macro:`DRM_IOCTL_WAIT_VBLANK`
     This takes a struct drm_wait_vblank structure as its argument, and
     it is used to block or request a signal when a specified vblank
     event occurs.
 
-DRM_IOCTL_MODESET_CTL
+:c:macro:`DRM_IOCTL_MODESET_CTL`
     This was only used for user-mode-settind drivers around modesetting
     changes to allow the kernel to update the vblank interrupt after
     mode setting, since on many devices the vertical blank counter is
@@ -478,8 +478,8 @@ The index is used in cases where a densely packed identifier for a CRTC is
 needed, for instance a bitmask of CRTC's. The member possible_crtcs of struct
 drm_mode_get_plane is an example.
 
-DRM_IOCTL_MODE_GETRESOURCES populates a structure with an array of CRTC ID's,
-and the CRTC index is its position in this array.
+:c:macro:`DRM_IOCTL_MODE_GETRESOURCES` populates a structure with an array of
+CRTC ID's, and the CRTC index is its position in this array.
 
 .. kernel-doc:: include/uapi/drm/drm.h
    :internal:
-- 
2.41.0