Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes: > It is highly unlikely, but still conceivable, that we submit a context > with the same GGTT address as last active on the HW. In this case, with > a matching LRCA, the HW would not restore the new context image causing > a potential violation of our context isolation. > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> Acked-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/gt/intel_lrc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c > index f6174e597dd3..5ccc8a3538ba 100644 > --- a/drivers/gpu/drm/i915/gt/intel_lrc.c > +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c > @@ -2583,7 +2583,7 @@ __execlists_context_pin(struct intel_context *ce, > goto unpin_active; > } > > - ce->lrc_desc = lrc_descriptor(ce, engine); > + ce->lrc_desc = lrc_descriptor(ce, engine) | CTX_DESC_FORCE_RESTORE; > ce->lrc_reg_state = vaddr + LRC_STATE_PN * PAGE_SIZE; > __execlists_update_reg_state(ce, engine); > > -- > 2.25.0.rc1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
