From 22dfb0988aa5f055fb96873d037825bb0317a0e0 Mon Sep 17 00:00:00 2001 From: Jeff McGee Date: Fri, 31 Jan 2014 10:13:51 -0600 Subject: [PATCH] pm_rps: Load helper should stall for last write This ensures that gpu is quiescent when load helper exits. Signed-off-by: Jeff McGee Signed-off-by: Daniel Vetter --- tests/pm_rps.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tests/pm_rps.c b/tests/pm_rps.c index a6807d2..9277196 100644 --- a/tests/pm_rps.c +++ b/tests/pm_rps.c @@ -207,6 +207,10 @@ static void load_helper_run(void) val++; } + /* Map buffer to stall for write completion */ + drm_intel_bo_map(lh.target_buffer, 0); + drm_intel_bo_unmap(lh.target_buffer); + log("load helper sent %u dword writes\n", val); } } -- 2.7.4