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Commit 95b2ab56 authored by Chris Wilson's avatar Chris Wilson
Browse files

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: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarJoonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1471254551-25805-7-git-send-email-chris@chris-wilson.co.uk
parent 2bd160a1

drivers/gpu/drm/i915/i915_gem_request.c

+2 −8
Original line number Diff line number Diff line
@@ -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