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drm/i915/execlists: Onion unwind for logical_ring_init() failure 

Fix up the error unwind for logical_ring_init() failing by moving the
cleanup into the callers who own the various bits of state during
initialisation, so we don't forget to free the state allocated by the
caller.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180920195948.16448-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2018-09-20 20:59:48 +01:00
parent 8e1cb32d51
commit b2164e4815
1 changed files with 11 additions and 7 deletions
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18
drivers/gpu/drm/i915/intel_lrc.c
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@ -2396,7 +2396,7 @@ static int logical_ring_init(struct intel_engine_cs *engine)
ret = intel_engine_init_common(engine);
if (ret)
goto error;
return ret;
if (HAS_LOGICAL_RING_ELSQ(i915)) {
execlists->submit_reg = i915->regs +
@ -2438,10 +2438,6 @@ static int logical_ring_init(struct intel_engine_cs *engine)
reset_csb_pointers(execlists);
return 0;
error:
intel_logical_ring_cleanup(engine);
return ret;
}
int logical_render_ring_init(struct intel_engine_cs *engine)
@ -2464,10 +2460,14 @@ int logical_render_ring_init(struct intel_engine_cs *engine)
engine->emit_breadcrumb = gen8_emit_breadcrumb_rcs;
engine->emit_breadcrumb_sz = gen8_emit_breadcrumb_rcs_sz;
ret = intel_engine_create_scratch(engine, PAGE_SIZE);
ret = logical_ring_init(engine);
if (ret)
return ret;
ret = intel_engine_create_scratch(engine, PAGE_SIZE);
if (ret)
goto err_cleanup_common;
ret = intel_init_workaround_bb(engine);
if (ret) {
/*
@ -2479,7 +2479,11 @@ int logical_render_ring_init(struct intel_engine_cs *engine)
ret);
}
return logical_ring_init(engine);
return 0;
err_cleanup_common:
intel_engine_cleanup_common(engine);
return ret;
}
int logical_xcs_ring_init(struct intel_engine_cs *engine)