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Commit d68752cf authored by Hugh Dickins's avatar Hugh Dickins Committed by Dave Airlie
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drm: avoid switching to text console if there is no panic timeout



Add a check for panic_timeout in the drm_fb_helper_panic() notifier: if
we're going to reboot immediately, the user will not be able to see the
messages anyway, and messing with the video mode may display artifacts,
and certainly get into several layers of complexity (including mutexes and
memory allocations) which we shall be much safer to avoid.

Signed-off-by: default avatarHugh Dickins <hughd@google.com>
[ Edited commit message and modified to short-circuit panic_timeout < 0
  instead of testing panic_timeout >= 0.  -Mandeep ]
Signed-off-by: default avatarMandeep Singh Baines <msb@chromium.org>
Acked-by: default avatarDavid Rientjes <rientjes@google.com>
Acked-by: default avatarStéphane Marchesin <marcheu@chromium.org>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 1ea6b8f4
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