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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-05-10 11:24:29 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-05-11 16:50:04 +0100 |
| commit | b0a997ae5248b293b6f6d1996ea49c57f7b94227 (patch) | |
| tree | a4293b24a20a44bf52fda298a980c99ce2d3e66a /drivers/gpu/drm/i915/gt | |
| parent | c7e8a3d674fbaa5b12ddc681bdf46c34a27e55d5 (diff) | |
| download | linux-b0a997ae5248b293b6f6d1996ea49c57f7b94227.tar.bz2 | |
drm/i915: Emit await(batch) before MI_BB_START
Be consistent and ensure that we always emit the asynchronous waits
prior to issuing instructions that use the address. This ensures that if
we do emit GPU commands to do the await, they are before our use!
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200510102431.21959-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_renderstate.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_renderstate.c b/drivers/gpu/drm/i915/gt/intel_renderstate.c index 708cb7808865..f59e7875cc5e 100644 --- a/drivers/gpu/drm/i915/gt/intel_renderstate.c +++ b/drivers/gpu/drm/i915/gt/intel_renderstate.c @@ -219,6 +219,14 @@ int intel_renderstate_emit(struct intel_renderstate *so, if (!so->vma) return 0; + i915_vma_lock(so->vma); + err = i915_request_await_object(rq, so->vma->obj, false); + if (err == 0) + err = i915_vma_move_to_active(so->vma, rq, 0); + i915_vma_unlock(so->vma); + if (err) + return err; + err = engine->emit_bb_start(rq, so->batch_offset, so->batch_size, I915_DISPATCH_SECURE); @@ -233,13 +241,7 @@ int intel_renderstate_emit(struct intel_renderstate *so, return err; } - i915_vma_lock(so->vma); - err = i915_request_await_object(rq, so->vma->obj, false); - if (err == 0) - err = i915_vma_move_to_active(so->vma, rq, 0); - i915_vma_unlock(so->vma); - - return err; + return 0; } void intel_renderstate_fini(struct intel_renderstate *so) |