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Both the safe/scratch address and the master TLB address are per pipe
with the CPU mapped registers not properly propagating to the
different translation units.
The only way to correctly configure all translation units is to have
a command stream snipped executed by the FE, before any other execution
can start.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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Currently, we scan the list of mappings each time we want to operate on
the vram_mapping struct. Rather than repeatedly scanning these, look
them up once in the submission path, and then use _reference and
_unreference methods as necessary to manage this object.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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This function follows the semantics of vmap() by returning
NULL in case of an error. To make things less confusing
rename it to make make both functions more closely related.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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This adds the etnaviv DRM driver and hooks it up in Makefiles
and Kconfig.
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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