linux-next: build failure after merge of the pm tree

[Stephen Rothwell]

Hi Rafael,

After merging the pm tree, today's linux-next build (x86_64 allmodconfig)
failed like this:

drivers/gpu/drm/radeon/atombios_encoders.c: In function 'radeon_atom_backlight_init':
drivers/gpu/drm/radeon/atombios_encoders.c:230:2: error: implicit declaration of function 'acpi_osi_version' [-Werror=implicit-function-declaration]
  if (acpi_osi_version() >= ACPI_OSI_WIN_8)
  ^
drivers/gpu/drm/radeon/atombios_encoders.c:230:28: error: 'ACPI_OSI_WIN_8' undeclared (first use in this function)
  if (acpi_osi_version() >= ACPI_OSI_WIN_8)
                            ^
drivers/gpu/drm/radeon/atombios_encoders.c:231:3: error: implicit declaration of function 'acpi_video_backlight_unregister' [-Werror=implicit-function-declaration]
   acpi_video_backlight_unregister();
   ^

Caused by commit 1823b2aeccce ("drm/radeon: don't provide ACPI backlight
if firmware expects Windows 8").

I have used the pm tree from next-20130704 for today.
-- 
Cheers,
Stephen Rothwell                    sfr@xxxxxxxxxxxxxxxx

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