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| author |   Philipp Zabel <p.zabel@pengutronix.de> | 2015-01-09 11:03:13 +0100 |
|---|---|---|
| committer | Philipp Zabel <p.zabel@pengutronix.de> | 2017-03-15 15:42:31 +0100 |
| commit | e72db3b1e50febff493bc5e3fb57da9cb8cc3d91 (patch) | |
| tree | 3ad57c2c2fe02185979ab99f6584c32b06c2431d /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | drm: add RGB formats with separate alpha plane (diff) | |
| download | linux-dev-e72db3b1e50febff493bc5e3fb57da9cb8cc3d91.tar.xz linux-dev-e72db3b1e50febff493bc5e3fb57da9cb8cc3d91.zip | |
gpu: ipu-v3: add support for separate alpha channels
The IPUv3 can read 8-bit alpha values from a separate IDMAC channel driven
by the Alpha Transparency Controller (ATC) for the graphics IDMAC channels.
This allows to reduce memory bandwidth via a conditional read mechanism or
to support planar YUV formats with alpha transparency.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
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