Staging: udlfb: improved rendering performance

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Rework rendering for improved performance

Approx 10-20% gain avg across several "benchmarks": x11perf, gtkperf, glxgears
Moves from a single pre-alloc'd urb protected by a long-held mutex
To a list of (4) pre-alloc'd urbs which can be dispatched asynchonously

Improved rendering algorithm to hardware with lower CPU consumption,
fewer system memory accesses, and slightly higher compression.

Better scalability to multiple processors, especially with
multiple framebuffers active.

Signed-off-by: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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This commit is contained in:

Bernie Thompson 2010-02-15 06:46:21 -08:00 • committed by Greg Kroah-Hartman

parent 2469d5dbca

commit 530f43a8a6

2 changed files with 341 additions and 580 deletions

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814

drivers/staging/udlfb/udlfb.c

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79

drivers/staging/udlfb/udlfb.h

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