[PATCH 2/2] drm/hyperv: use VMBUS_RING_SIZE()

[Hamza Mahfooz]

VMBUS ring buffers must be page aligned. So, use VMBUS_RING_SIZE() to
ensure they are always aligned and large enough to hold all of the
relevant data.

Cc: stable@xxxxxxxxxxxxxxx
Fixes: 76c56a5affeb ("drm/hyperv: Add DRM driver for hyperv synthetic video device")
Signed-off-by: Hamza Mahfooz <hamzamahfooz@xxxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/hyperv/hyperv_drm_proto.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/hyperv/hyperv_drm_proto.c b/drivers/gpu/drm/hyperv/hyperv_drm_proto.c
index 051ecc526832..753d97bff76f 100644
--- a/drivers/gpu/drm/hyperv/hyperv_drm_proto.c
+++ b/drivers/gpu/drm/hyperv/hyperv_drm_proto.c
@@ -10,7 +10,7 @@
 
 #include "hyperv_drm.h"
 
-#define VMBUS_RING_BUFSIZE (256 * 1024)
+#define VMBUS_RING_BUFSIZE VMBUS_RING_SIZE(256 * 1024)
 #define VMBUS_VSP_TIMEOUT (10 * HZ)
 
 #define SYNTHVID_VERSION(major, minor) ((minor) << 16 | (major))
-- 
2.54.0