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| author | Benjamin Franzke <benjaminfranzke@googlemail.com> | 2013-01-15 08:46:13 +0100 |
|---|---|---|
| committer | Benjamin Franzke <benjaminfranzke@googlemail.com> | 2013-01-15 08:46:13 +0100 |
| commit | 7fe60435bce6595a9c58a9bfd8244d74b5320e96 (patch) | |
| tree | 1ac714a916e02fc90901ddac8bc2a3c6d051d28c /Source/DirectFB/patches/README.matroxfb-vsync-irq-patch | |
| download | directfb-voodoo-7fe60435bce6595a9c58a9bfd8244d74b5320e96.tar.gz directfb-voodoo-7fe60435bce6595a9c58a9bfd8244d74b5320e96.tar.bz2 directfb-voodoo-7fe60435bce6595a9c58a9bfd8244d74b5320e96.zip | |
Import DirectFB141_2k11R3_beta5
Diffstat (limited to 'Source/DirectFB/patches/README.matroxfb-vsync-irq-patch')
| -rwxr-xr-x | Source/DirectFB/patches/README.matroxfb-vsync-irq-patch | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Source/DirectFB/patches/README.matroxfb-vsync-irq-patch b/Source/DirectFB/patches/README.matroxfb-vsync-irq-patch new file mode 100755 index 0000000..eaa24fe --- /dev/null +++ b/Source/DirectFB/patches/README.matroxfb-vsync-irq-patch @@ -0,0 +1,4 @@ +This patch adds the ioctl FBIO_WAITFORVSYNC. +The calling process' state will be set to TASK_INTERRUPTIBLE, +it will be waken up by the interrupt handler for the vertical retrace. +Processes can now wait for the vertical retrace without CPU usage. |