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This patch is to address Daniels concerns over different code during reset: http://lists.freedesktop.org/archives/intel-gfx/2014-June/047758.html "The reason for aiming as hard as possible to use the exact same code for driver load, gpu reset and runtime pm/system resume is that we've simply seen too many bugs due to slight variations and unintended omissions." Tested using igt drv_hangman. V2: Cleaner way of preventing check_wedge returning -EAGAIN V3: Clean the last_context during reset, to ensure do_switch() does the MI_SET_CONTEXT. As per review. Signed-off-by: McAulay, Alistair <alistair.mcaulay@intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com> [danvet: Rebase over ctx->ppgtt rework and extend the comment in check_wedge a bit.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> |
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