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Diffstat (limited to 'Documentation/fb/deferred_io.txt')
| -rw-r--r-- | Documentation/fb/deferred_io.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/fb/deferred_io.txt b/Documentation/fb/deferred_io.txt index 73cf9fb..63883a8 100644 --- a/Documentation/fb/deferred_io.txt +++ b/Documentation/fb/deferred_io.txt @@ -3,7 +3,7 @@ Deferred IO Deferred IO is a way to delay and repurpose IO. It uses host memory as a buffer and the MMU pagefault as a pretrigger for when to perform the device -IO. The following example may be a useful explaination of how one such setup +IO. The following example may be a useful explanation of how one such setup works: - userspace app like Xfbdev mmaps framebuffer @@ -28,7 +28,7 @@ a relatively more expensive operation. For some types of nonvolatile high latency displays, the desired image is the final image rather than the intermediate stages which is why it's okay -to not update for each write that is occuring. +to not update for each write that is occurring. It may be the case that this is useful in other scenarios as well. Paul Mundt has mentioned a case where it is beneficial to use the page count to decide |