From 73cfa86512813807f39a51a21d14774a29714e15 Mon Sep 17 00:00:00 2001 From: John Harrison Date: Fri, 29 May 2015 17:43:35 +0100 Subject: [PATCH] drm/i915: Update i915_gpu_idle() to manage its own request Added explicit request creation and submission to the GPU idle code path. For: VIZ-5115 Signed-off-by: John Harrison Reviewed-by: Tomas Elf Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_gem.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 74c319350876..1a3a65d02238 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3305,11 +3305,23 @@ int i915_gpu_idle(struct drm_device *dev) /* Flush everything onto the inactive list. */ for_each_ring(ring, dev_priv, i) { if (!i915.enable_execlists) { - ret = i915_switch_context(ring, ring->default_context); + struct drm_i915_gem_request *req; + + ret = i915_gem_request_alloc(ring, ring->default_context, &req); if (ret) return ret; + + ret = i915_switch_context(req->ring, ring->default_context); + if (ret) { + i915_gem_request_cancel(req); + return ret; + } + + i915_add_request_no_flush(req->ring); } + WARN_ON(ring->outstanding_lazy_request); + ret = intel_ring_idle(ring); if (ret) return ret;