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Introduce the eDP support into the driver.
This has been reworked a bit because kernel driver proper uses encoder/connectors
while the legacy Intel driver uses the old output stuff.
It also diverges on the backlight handling. The legacy Intel driver adds a panel
abstraction based upon the i915 one. It's only really used for backlight bits
and we have a perfectly good backlight abstraction which can extend instead.
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
[ported to upstream driver, redid backlight abstraction]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Otherwise we end up getting the masks wrong, can get events before we
are doing power control and other ungood things. Again this is a
regression fix where the ordering of handling was disturbed by other
work, and the user experience on some boxes is a blank screen.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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If CONFIG_BACKLIGHT_CLASS_DEVICE is disabled then GCC warns that:
drivers/gpu/drm/gma500/opregion.c:154:6: warning:
unused variable ‘max’ [-Wunused-variable]
Which give me a chance to use the new config_enabled() macro. :)
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Paul Menzel <paulepanter@users.sourceforge.net>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This was mostly already fixed but this one change is needed to match Kirill's
original submission
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Add the opregion support and bring us in line with the opregion functionality in the
reference driver code. We can't share this with i915 currently because there are
hardcoded assumptions about dev_priv etc in both versions.
[airlied: include opregion.h fix]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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