nvidiafb: Adjust flags to take advantage of new scroll method

The SCROLL_MOVE method has been optimized such that it is significantly faster than SCROLL_REDRAW. Adjust flags to indicate that blitting is preferred over rendering.

---

 drivers/video/nvidia/nvidia.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

index 41f6365..8c3a253 100644
@@ -674,6 +674,7 @@ #endif
 		info->fbops->fb_sync = nvidiafb_sync;
 		info->pixmap.scan_align = 4;
 		info->flags &= ~FBINFO_HWACCEL_DISABLED;
+		info->flags |= FBINFO_READS_FAST;
 		NVResetGraphics(info);
 	} else {
 		info->fbops->fb_imageblit = cfb_imageblit;

@@ -682,6 +683,7 @@ #endif
 		info->fbops->fb_sync = NULL;
 		info->pixmap.scan_align = 1;
 		info->flags |= FBINFO_HWACCEL_DISABLED;
+		info->flags &= ~FBINFO_READS_FAST;
 	}
 
 	par->cursor_reset = 1;

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