From: Chris Wilson Date: Sun, 22 Nov 2009 15:40:31 +0000 (+0000) Subject: drm/i915: Select CONFIG_SHMEM X-Git-Tag: 2.1b_release~10331^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ca9ab10033d190c1ede85fdf456307bdfdabf079;p=platform%2Fkernel%2Fkernel-mfld-blackbay.git 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: Chris Wilson Reported-and-tested-by: Mateusz Kaduk Signed-off-by: Eric Anholt Cc: stable@kernel.org --- diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index f831ea1..96eddd1 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -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