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authorJerome Glisse <jglisse@redhat.com>2010-01-07 15:39:13 +0100
committerDave Airlie <airlied@redhat.com>2010-01-08 13:12:09 +1000
commite77cef9c2d87db835ad9d70cde4a9b00b0ca2262 (patch)
tree27336938ecaeed58acb4218310f6b3dd516b5f26 /drivers/gpu/drm/radeon/reg_srcs/r420
parent059d233f9c1183ed2f59d631e4daf486060e880d (diff)
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drm: Avoid calling vblank function is vblank wasn't initialized
In some case vblank might not be initialized and we shouldn't try to use associated function. This patch make sure this is the case. It also export drm_vblank_cleanup so driver can cleanup vblank if for any reason IRQ/MSI is not working. Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/reg_srcs/r420')
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