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This is already handled for us.
Suggested by John Baldwin
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We don't explicitly check for error here and M_WAITOK will just put the
process to sleep waiting on resources to become available.
Suggested by John Baldwin
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Signed-off-by: Robert Noland <rnoland@2hip.net>
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The driver is in control of the show, so when you try and unload a module
the driver detach routine is called first. It is what drives the whole
unload process and so lots of panics occur if dev->driver is already
free.
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Signed-off-by: Robert Noland <rnoland@2hip.net>
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Signed-off-by: Robert Noland <rnoland@2hip.net>
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Signed-off-by: Robert Noland <rnoland@2hip.net>
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changes.
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drm_mtrr_{add,del} for handling the MTRR setup. Still has a LOR issue
with DRM_VERIFYAREA_READ/DRM_COPY_FROM_USER_UNCHECKED in savage_bci.c
-- this won't work with the fine-grained locking in use, and just doing
a single copyin to a temporary will probably work fine. Also note that
the module leaks approximately 4 kb on unload.
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understandable: preinit -> load postinit -> (removed) presetup ->
firstopen postsetup -> (removed) open_helper -> open prerelease ->
preclose free_filp_priv -> postclose pretakedown -> lastclose
postcleanup -> unload release -> reclaim_buffers_locked version ->
(removed)
postinit and version were replaced with generic code in the Linux DRM
(drivers now set their version numbers and description in the driver
structure, like on BSD). postsetup wasn't used at all. Fixes the savage
hooks for initializing and tearing down mappings at the right times.
Testing involved at least starting X, running glxgears, killing
glxgears, exiting X, and repeating.
Tested on: FreeBSD (g200, g400, r200, r128) Linux (r200, savage4)
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CVS.
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follow later.
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