dri-vmwgfx: Hook up a drm_descriptor configuration function

Returns a configuration that makes the dri state-tracker-manager
throttle.
Also disable kernel-based throttling.

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

diff --git a/src/gallium/targets/dri-vmwgfx/target.c b/src/gallium/targets/dri-vmwgfx/target.c
index fe3f8fd05b2ad67d77a6d4cdb1aa33d798bd51fe..442e31bba95e3878e46f67010b5aab8ce3576f17 100644 (file)
--- a/src/gallium/targets/dri-vmwgfx/target.c
+++ b/src/gallium/targets/dri-vmwgfx/target.c
@@ -19,7 +19,7 @@ create_screen(int fd)
    if (!screen)
       return NULL;
 
-   vmw_winsys_screen_set_throttling(screen, 10);
+   vmw_winsys_screen_set_throttling(screen, 0);
    screen = sw_screen_wrap(screen);
 
    screen = debug_screen_wrap(screen);
@@ -27,4 +27,20 @@ create_screen(int fd)
    return screen;
 }
 
-DRM_DRIVER_DESCRIPTOR("vmwgfx", "vmwgfx", create_screen, NULL)
+static const struct drm_conf_ret throttle_ret = {
+   .type = DRM_CONF_INT,
+   .val.val_int = 2,
+};
+
+static const struct drm_conf_ret *drm_configuration(enum drm_conf conf)
+{
+   switch (conf) {
+   case DRM_CONF_THROTTLE:
+      return &throttle_ret;
+   default:
+      break;
+   }
+   return NULL;
+}
+
+DRM_DRIVER_DESCRIPTOR("vmwgfx", "vmwgfx", create_screen, drm_configuration)