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This is necessary so that multiple clients can open /dev/fb* at the same
time. The functionaly has been moved to the dc extension device nodes.
bug 818525
Original-Change-Id: I299e060fce3bb9e3cbf976f3d94dbabc4b3f1654
Signed-off-by: Robert Morell <rmorell@nvidia.com>
Reviewed-on: http://git-master/r/40515
Reviewed-by: Jonathan Mayo <jmayo@nvidia.com>
Rebase-Id: R32908db3f1e344eea13d628f0341600ed698783d
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Change-Id: I82497fc756552740836eaa2f608fecaea409cfeb
Signed-off-by: Michael I. Gold <gold@nvidia.com>
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Change-Id: Ied3851e0cb801f607499493f1e552f42daa97e6b
Signed-off-by: Ari Hirvonen <ahirvonen@nvidia.com>
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Change-Id: I4bed4d37bc275cca9ef69390c217498529121db0
Signed-off-by: Erik Gilling <konkers@android.com>
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Change-Id: Ic312271b96a8bb8d8b2696448d3ff7fd73a7a851
Signed-off-by: Erik Gilling <konkers@android.com>
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includes changes by:
Antti Hatala <ahatala@nvidia.com> (1)
Gary King <gking@nvidia.com> (1)
Erik Gilling <konkers@android.com> (2)
Antti Hatala <ahatala@nvidia.com>
video: tegra: dc: use nvhost driver for host1x power management
Gary King <gking@nvidia.com>
video: tegra: fb: add ioctl to flip dc windows to nvmap handles
Erik Gilling <konkers@android.com>
video: tegra: dc: increment syncpoints following window flips
video: tegra: drain syncpt waits on display disable
Original commit messages:
**
video: tegra: dc: use nvhost driver for host1x power management
Incrementing the frame done syncpoint value from the display interrupt
requires that the host module is powered on. As the syncpoint state is
saved and restored automatically by the host driver a cpu increment of
a syncpoint in the powered down state will be lost.
Also adds checks for host module being powered.
**
video: tegra: fb: add ioctl to flip dc windows to nvmap handles
tegra user-space graphics drivers may allocate framebuffers using
nvmap rather than rendering to the common framebuffer, this may
be done to support deeper buffer pipelining, color formats
and pixel layouts other than the initial bootup framebuffer,
etc.
to use this ioctl, a caller must first specify an nvmap fd
which is already open in the calling process so that the
subsequent flip ioctls may be properly validated. flips are performed
asynchronously, with flip completion notifications provided back to
the caller via the host1x syncpoint mechanism
based on earlier changes made by Antti Hatala <ahatala@nvidia.com>
and Erik Gilling <konkers@android.com>
Change-Id: I4e8a8bb92085a485d65fd87d89112b2969ee37ff
Signed-off-by: Gary King <gking@nvidia.com>
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