From f55e03b975c230758c8f164347dfa10103f60e2c Mon Sep 17 00:00:00 2001 From: Michel Dänzer Date: Fri, 19 Sep 2014 12:22:10 +0900 Subject: drm/radeon: Update IH_RB_RPTR register after each processed interrupt MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This might decrease the chance of IH ring buffer overflows. Signed-off-by: Michel Dänzer Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/evergreen.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/radeon/evergreen.c') diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index b0913705c1df..e50807c29f69 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -5137,6 +5137,7 @@ restart_ih: /* wptr/rptr are in bytes! */ rptr += 16; rptr &= rdev->ih.ptr_mask; + WREG32(IH_RB_RPTR, rptr); } if (queue_hotplug) schedule_work(&rdev->hotplug_work); @@ -5145,7 +5146,6 @@ restart_ih: if (queue_thermal && rdev->pm.dpm_enabled) schedule_work(&rdev->pm.dpm.thermal.work); rdev->ih.rptr = rptr; - WREG32(IH_RB_RPTR, rdev->ih.rptr); atomic_set(&rdev->ih.lock, 0); /* make sure wptr hasn't changed while processing */ -- cgit