drm/vmwgfx: Add a parameter to get the max fb size

This can be used by the X server to restrict mode resolutions and size of
root pixmap.

Bump minor to announce this availability.
Bump driver date.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

@@ -39,9 +39,9 @@
 #include "ttm/ttm_execbuf_util.h"
 #include "ttm/ttm_module.h"
 
-#define VMWGFX_DRIVER_DATE "20100209"
+#define VMWGFX_DRIVER_DATE "20100723"
 #define VMWGFX_DRIVER_MAJOR 1
-#define VMWGFX_DRIVER_MINOR 2
+#define VMWGFX_DRIVER_MINOR 3
 #define VMWGFX_DRIVER_PATCHLEVEL 0
 #define VMWGFX_FILE_PAGE_OFFSET 0x00100000
 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024)

drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c

@@ -54,6 +54,9 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data,
 	case DRM_VMW_PARAM_FIFO_CAPS:
 		param->value = dev_priv->fifo.capabilities;
 		break;
+	case DRM_VMW_PARAM_MAX_FB_SIZE:
+		param->value = dev_priv->vram_size;
+		break;
 	default:
 		DRM_ERROR("Illegal vmwgfx get param request: %d\n",
 			  param->param);

include/drm/vmwgfx_drm.h

@@ -72,6 +72,7 @@
 #define DRM_VMW_PARAM_FIFO_OFFSET      3
 #define DRM_VMW_PARAM_HW_CAPS          4
 #define DRM_VMW_PARAM_FIFO_CAPS        5
+#define DRM_VMW_PARAM_MAX_FB_SIZE      6
 
 /**
  * struct drm_vmw_getparam_arg