RE: [Intel-gfx] [PATCH] drm/i915: check if execlist_port is empty before using its content

2016-12-25 Thread Du, Changbin
> On Fri, Dec 23, 2016 at 01:46:36PM +0800, changbin...@intel.com wrote: > > From: "Du, Changbin" > > > > This patch fix a crash in function reset_common_ring. In this case, > > the port[0].request is null when reset the render ring, so a null > > dereference exception is

RE: [Intel-gfx] [PATCH] drm/i915: check if execlist_port is empty before using its content

2016-12-25 Thread Du, Changbin
> On Fri, Dec 23, 2016 at 01:46:36PM +0800, changbin...@intel.com wrote: > > From: "Du, Changbin" > > > > This patch fix a crash in function reset_common_ring. In this case, > > the port[0].request is null when reset the render ring, so a null > > dereference exception is raised. We need to check

Re: [Intel-gfx] [PATCH] drm/i915: check if execlist_port is empty before using its content

2016-12-22 Thread Chris Wilson
On Fri, Dec 23, 2016 at 01:46:36PM +0800, changbin...@intel.com wrote: > From: "Du, Changbin" > > This patch fix a crash in function reset_common_ring. In this case, > the port[0].request is null when reset the render ring, so a null > dereference exception is raised. We

Re: [Intel-gfx] [PATCH] drm/i915: check if execlist_port is empty before using its content

2016-12-22 Thread Chris Wilson
On Fri, Dec 23, 2016 at 01:46:36PM +0800, changbin...@intel.com wrote: > From: "Du, Changbin" > > This patch fix a crash in function reset_common_ring. In this case, > the port[0].request is null when reset the render ring, so a null > dereference exception is raised. We need to check