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The 965 docs note, and it's probably the case on 915 as well, that the
2x2 subspans are read as a unit, even if the bottom row isn't used. If
the address in that bottom row extended beyond the end of the GTT, a
fault could occur.
Thanks to Chris Wilson for pointing out the problem.
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This should save significant amounts of memory for glyph and other small
pixmap storage.
Bug #21387
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This lets the driver allocate a nice idle buffer object instead of a
busy one, reducing runtime of firefox-20090601 on my G45 from 50.7 (+/- .41%)
to 48.4 (+/- 1.1%).
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Without kernel support and explicit knowledge about where in the ring the
last rendering operation for a specific pixmap was, we must synchronize with
any outstanding rendering before accessing a pixmap which does not have a
buffer object.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This removes yet another 'debugging' option that hasn't seen real use in a
long time, and wasn't supported under KMS in any case.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Noticed by: Michel Dänzer <michel@daenzer.net>
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The overcommit of address space combined with these buffers hitting SW
fallbacks all the time means that we're probably better off telling the
application "no" instead of likely silently failing later.
Bug #22601.
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This patch enables 2D composite on IGDNG. IGDNG requires
new compiled shader programs for Gen5 and some command changes.
The most notable is the layout of vertex element has changed,
but we tried to keep it as origin to not change shader programs.
Also vertex buffer state requires end address of vertex buffer
instead of origin max index.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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This depends on updated intel-gen4asm be ready for new chip.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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It was just confusing otherwise, (since the EXA code has all been
removed now).
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