| Message ID | 20190912070925.11526-2-chris@chris-wilson.co.uk (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/2] drm/i915/execlists: Add a paranoid flush of the CSB pointers upon reset | expand |
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index 61a38a4ccbca..40b479d0ca5d 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -2921,6 +2921,7 @@ static void __execlists_reset(struct intel_engine_cs *engine, bool stalled) intel_ring_update_space(ce->ring); __execlists_reset_reg_state(ce, engine); __execlists_update_reg_state(ce, engine); + ce->lrc_desc |= CTX_DESC_FORCE_RESTORE; /* paranoid: GPU was reset! */ __context_pin_release(ce); unwind:
After we manipulate the context to allow replay after a GPU reset, force that context to be reloaded. This should be a layer of paranoia, for if the GPU was reset, the context will no longer be resident! Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> --- drivers/gpu/drm/i915/gt/intel_lrc.c | 1 + 1 file changed, 1 insertion(+)