Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit f2253bd9 authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915/ringbuffer: EMIT_INVALIDATE after switch context 



The recommend procedure was to switch contexts (and mm) then invalidate
the TLBs. Make it so.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarTvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181207090213.14352-2-chris@chris-wilson.co.uk
parent 5f5800a7

drivers/gpu/drm/i915/intel_ringbuffer.c

+3 −3
Original line number Diff line number Diff line
@@ -1827,12 +1827,12 @@ static int ring_request_alloc(struct i915_request *request) 
	 */

	request->reserved_space += LEGACY_REQUEST_SIZE;



	/* Unconditionally invalidate GPU caches and TLBs. */

	ret = request->engine->emit_flush(request, EMIT_INVALIDATE);

	ret = switch_context(request);

	if (ret)

		return ret;



	ret = switch_context(request);

	/* Unconditionally invalidate GPU caches and TLBs. */

	ret = request->engine->emit_flush(request, EMIT_INVALIDATE);

	if (ret)

		return ret;