This triggers use after free oops on request->batch_obj when
going through the rings and setting reset status on requests,
after a gpu hang.
v2: Streamlined the test and added comments (Daniel)
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Getting global reset count needs to be tested with root and
non root access.
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
To make driver report a simulated hang in dmesg.
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
For BDW+, there BATCH_BUFFER_START is 3 * 32bits in length and
length needs to be encoded into the opcode.
Suggested-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Instead of freaking out about negating the skip condition and punting
I could have remembered that I've solved this already ...
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
v2: check the ioctl pad and flag parameters
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
