diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2018-12-07 09:02:11 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2018-12-07 12:12:50 +0000 |
| commit | 5f5800a765de8414f6fb213c4ad4a1cf529e131d (patch) | |
| tree | 10321191c337968106174d39a5684faefe547d8c /drivers/gpu/drm/i915/intel_lrc.c | |
| parent | d8f505311717cfc2033c44a8b26ba96c66187303 (diff) | |
| download | linux-5f5800a765de8414f6fb213c4ad4a1cf529e131d.tar.bz2 | |
drm/i915: Push EMIT_INVALIDATE at request start to backends
Move the common engine->emit_flush(EMIT_INVALIDATE) back to the backends
(where it was once previously) as we seek to specialise it in future
patches.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181207090213.14352-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lrc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 3a47a4732fae..a9084a54c0f4 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1276,17 +1276,20 @@ static int execlists_request_alloc(struct i915_request *request) GEM_BUG_ON(!request->hw_context->pin_count); - /* Flush enough space to reduce the likelihood of waiting after + /* + * Flush enough space to reduce the likelihood of waiting after * we start building the request - in which case we will just * have to repeat work. */ request->reserved_space += EXECLISTS_REQUEST_SIZE; - ret = intel_ring_wait_for_space(request->ring, request->reserved_space); + /* Unconditionally invalidate GPU caches and TLBs. */ + ret = request->engine->emit_flush(request, EMIT_INVALIDATE); if (ret) return ret; - /* Note that after this point, we have committed to using + /* + * Note that after this point, we have committed to using * this request as it is being used to both track the * state of engine initialisation and liveness of the * golden renderstate above. Think twice before you try |