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author | Bernie Thompson | 2010-09-06 03:28:29 +0200 |
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committer | Greg Kroah-Hartman | 2010-09-06 04:45:59 +0200 |
commit | 5bea1fbf942363e4114a086aefc67cdca21be7f0 (patch) | |
tree | db1e8e8d5b2e8d3981d91dc4f67b9807958f14f3 /drivers/staging/udlfb/udlfb.h | |
parent | Staging: cxt1e1: Kconfig: SBE_PMCC4_NCOMM can not be compiled as module, adju... (diff) | |
download | kernel-qcow2-linux-5bea1fbf942363e4114a086aefc67cdca21be7f0.tar.gz kernel-qcow2-linux-5bea1fbf942363e4114a086aefc67cdca21be7f0.tar.xz kernel-qcow2-linux-5bea1fbf942363e4114a086aefc67cdca21be7f0.zip |
staging: udlfb: fix incorrect fb_defio implementation for multiple framebuffers
Fix fb_defio bug in udlfb for multiple framebuffers
Previously when using fb_defio with multiple DisplayLink attached displays
udlfb incorrectly used a shared datastructure where it needed to have
one per fb_info struct. This was completely broken and caused all kinds of
problems, including rendering to one framebuffer affecting others.
Signed-off-by: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/udlfb/udlfb.h')
-rw-r--r-- | drivers/staging/udlfb/udlfb.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/staging/udlfb/udlfb.h b/drivers/staging/udlfb/udlfb.h index 58d2af6cebbe..6f9785e9d62e 100644 --- a/drivers/staging/udlfb/udlfb.h +++ b/drivers/staging/udlfb/udlfb.h @@ -19,6 +19,7 @@ struct dloarea { struct urb_node { struct list_head entry; struct dlfb_data *dev; + struct delayed_work release_urb_work; struct urb *urb; }; @@ -87,6 +88,9 @@ struct dlfb_data { #define MIN_RAW_PIX_BYTES 2 #define MIN_RAW_CMD_BYTES (RAW_HEADER_BYTES + MIN_RAW_PIX_BYTES) +#define DL_DEFIO_WRITE_DELAY 5 /* fb_deferred_io.delay in jiffies */ +#define DL_DEFIO_WRITE_DISABLE (HZ*60) /* "disable" with long delay */ + /* remove these once align.h patch is taken into kernel */ #define DL_ALIGN_UP(x, a) ALIGN(x, a) #define DL_ALIGN_DOWN(x, a) ALIGN(x-(a-1), a) |