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drm/i915: Remove redundant WARN_ON from __i915_add_request() 

It's an outright programming error, so explode if it is ever hit.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1471254551-25805-7-git-send-email-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2016-08-15 10:48:46 +01:00
parent 2bd160a131
commit 95b2ab56a5
1 changed files with 2 additions and 8 deletions
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10
drivers/gpu/drm/i915/i915_gem_request.c
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@ -470,18 +470,12 @@ static void i915_gem_mark_busy(const struct intel_engine_cs *engine)
*/
void __i915_add_request(struct drm_i915_gem_request *request, bool flush_caches)
{
struct intel_engine_cs *engine;
struct intel_ring *ring;
struct intel_engine_cs *engine = request->engine;
struct intel_ring *ring = request->ring;
u32 request_start;
u32 reserved_tail;
int ret;
if (WARN_ON(!request))
return;
engine = request->engine;
ring = request->ring;
/*
* To ensure that this call will not fail, space for its emissions
* should already have been reserved in the ring buffer. Let the ring