drm/vmwgfx: Fix a potential infinite spin waiting for fifo idle

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commit f01ea0c3d9 upstream.

The code waiting for fifo idle was incorrect and could possibly spin
forever under certain circumstances.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reported-by: Mark Sheldon <markshel@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Reivewed-by: Mark Sheldon <markshel@vmware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Thomas Hellstrom 2014-08-28 11:53:23 +02:00 • committed by Greg Kroah-Hartman

parent 51d72e1430

commit e7d2e56201

1 changed files with 2 additions and 1 deletions

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drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c

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