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Commit ca9ab100 authored by Chris Wilson's avatar Chris Wilson Committed by Eric Anholt
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drm/i915: Select CONFIG_SHMEM 

The driver requires shmfs as the backing filesystem to handle the buffer
objects, so ensure it is selected if the user chooses to build our
driver.

Fixes: Bug 14662 - Dell E5500 kernel panic with KMS
http://bugzilla.kernel.org/show_bug.cgi?id=14662



The revealing nature of the panic is the NULL function pointer
dereference in read_cache_page_async().

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reported-and-tested-by: default avatarMateusz Kaduk <mateusz.kaduk@gmail.com>
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
Cc: stable@kernel.org
parent 8e9e0eea

drivers/gpu/drm/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -92,6 +92,7 @@ config DRM_I830 
config DRM_I915

	tristate "i915 driver"

	depends on AGP_INTEL

	select SHMEM

	select DRM_KMS_HELPER

	select FB_CFB_FILLRECT

	select FB_CFB_COPYAREA