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authorChris Wilson <chris@chris-wilson.co.uk>2018-09-20 20:59:48 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2018-09-20 21:49:30 +0100
commitb2164e48155607b8aa3c3004a03768cc30558d6e (patch)
tree61bde20e0424d6bd532ae51825811cadd7ea1fe1 /drivers/gpu/drm/i915/intel_lrc.c
parent8e1cb32d515bc6b691782104b00d9056a33127c8 (diff)
downloadlinux-b2164e48155607b8aa3c3004a03768cc30558d6e.tar.bz2
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
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lrc.c')
-rw-r--r--drivers/gpu/drm/i915/intel_lrc.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index a51be16ddaac..43957bb37a42 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -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)