drm/i915: Bail out early if WA batch is not available for given Gen
To initialize WA batch, at the moment we first allocate batch and then check whether we have any WA to be initialized for the given Gen; if we don't have any WA then we WARN the user, destroy the batch and return but this is causing another WARN in cleanup code complaining about sleeping in atomic context. Till we understand this better and to keep things simpler, bail out early if we don't have WA. Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Arun Siluvery <arun.siluvery@linux.intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>hifive-unleashed-5.1
parent
4d78c8dcf9
commit
5e60d79071
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@ -1260,6 +1260,12 @@ static int intel_init_workaround_bb(struct intel_engine_cs *ring)
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WARN_ON(ring->id != RCS);
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/* update this when WA for higher Gen are added */
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if (WARN(INTEL_INFO(ring->dev)->gen > 8,
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"WA batch buffer is not initialized for Gen%d\n",
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INTEL_INFO(ring->dev)->gen))
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return 0;
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/* some WA perform writes to scratch page, ensure it is valid */
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if (ring->scratch.obj == NULL) {
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DRM_ERROR("scratch page not allocated for %s\n", ring->name);
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@ -1290,11 +1296,6 @@ static int intel_init_workaround_bb(struct intel_engine_cs *ring)
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&offset);
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if (ret)
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goto out;
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} else {
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WARN(INTEL_INFO(ring->dev)->gen >= 8,
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"WA batch buffer is not initialized for Gen%d\n",
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INTEL_INFO(ring->dev)->gen);
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lrc_destroy_wa_ctx_obj(ring);
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}
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out:
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