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Downstream kernel holds this clk via a fake-parent relationship.
Upstream clock framework requires that we hold it explicitly.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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The hw cursor is relatively adept at triggering underflows, which
manifest as a "blue flash" (since blue is configured as the underflow
color). Juggle a few things around to tighten up the timing for setting
cursor registers in DONE irq.
And most importantly, don't ever disable the hw cursor. Instead flip it
to a blank/empty cursor. This seems far more reliable, as even simply
clearing the cursor-enable bit (with no other updates in previous/
following frames) can in some cases cause underflow.
v1: original
v2: add missing locking spotted by Micah
Cc: Micah Richert <richert@braincorporation.com>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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We'll want basically the same thing for mdp5, so refactor it out so it
can be shared.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Signed-off-by: Rob Clark <robdclark@gmail.com>
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This can be shared between mdp4 and mdp5. Both use the same set of
parameters to describe the format to the hw.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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resync to latest envytools db, add mdp5 registers
Signed-off-by: Rob Clark <robdclark@gmail.com>
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There are some little bits and pieces that mdp4 and mdp5 can share, so
move things around so that we can have both in a common parent
directory.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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