> -----Original Message----- > From: Jani Nikula [mailto:jani.nikula@xxxxxxxxxxxxxxx] > Sent: Monday, August 18, 2014 9:33 AM > To: Daniel, Thomas; intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH 41/43] drm/i915/bdw: Enable Logical Ring > Contexts (hence, Execlists) > > On Thu, 24 Jul 2014, Thomas Daniel <thomas.daniel@xxxxxxxxx> wrote: > > From: Oscar Mateo <oscar.mateo@xxxxxxxxx> > > > > The time has come, the Walrus said, to talk of many things. > > FYI this causes https://bugs.freedesktop.org/show_bug.cgi?id=82740 Hmm, this seems to be an interaction between execlists and PPGTT patches, specifically: http://patchwork.freedesktop.org/patch/31150/ which breaks aliasing PPGTT when execlists are enabled, resulting in this oops on boot. I will post a patch which avoids this but I don't know if the intention is to drop aliasing PPGTT support when execlists are enabled. Thomas. > > Signed-off-by: Oscar Mateo <oscar.mateo@xxxxxxxxx> > > --- > > drivers/gpu/drm/i915/i915_drv.h | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/gpu/drm/i915/i915_drv.h > > b/drivers/gpu/drm/i915/i915_drv.h index b7cf0ec..1ce51d6 100644 > > --- a/drivers/gpu/drm/i915/i915_drv.h > > +++ b/drivers/gpu/drm/i915/i915_drv.h > > @@ -2061,7 +2061,7 @@ struct drm_i915_cmd_table { > > #define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws) > > > > #define HAS_HW_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 6) > > -#define HAS_LOGICAL_RING_CONTEXTS(dev) 0 > > +#define HAS_LOGICAL_RING_CONTEXTS(dev) (INTEL_INFO(dev)- > >gen >= 8) > > #define HAS_ALIASING_PPGTT(dev) (INTEL_INFO(dev)->gen >= 6) > > #define HAS_PPGTT(dev) (INTEL_INFO(dev)->gen >= 7 && > !IS_GEN8(dev)) > > #define USES_PPGTT(dev) intel_enable_ppgtt(dev, false) > > -- > > 1.7.9.5 > > > > _______________________________________________ > > Intel-gfx mailing list > > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > > http://lists.freedesktop.org/mailman/listinfo/intel-gfx > > -- > Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
