The new guc submission scheduler is not to emulation Execlist mode in driver. You can keep existing execlist_xx function name if insisted it is better.
> -----Original Message----- > From: Dong, Chuanxiao > Sent: Monday, March 20, 2017 11:20 AM > To: Zheng, Xiao <xiao.zh...@intel.com>; intel-gfx@lists.freedesktop.org > Cc: intel-gvt-...@lists.freedesktop.org > Subject: RE: [Intel-gfx] [PATCH] drm/i915/scheduler: add gvt notification for > guc submission > > > > > -----Original Message----- > > From: Zheng, Xiao > > Sent: Monday, March 20, 2017 10:46 AM > > To: Dong, Chuanxiao <chuanxiao.d...@intel.com>; intel- > > g...@lists.freedesktop.org > > Cc: intel-gvt-...@lists.freedesktop.org > > Subject: RE: [Intel-gfx] [PATCH] drm/i915/scheduler: add gvt > > notification for guc submission > > > > It may consider to change the function name: > > execlists_context_status_change to context_status_change_notify () > instead. > > Otherwise confusing GUC submission path. > > Thanks. > > Hi Xiao, I was considering to use the name of context_status_change_notify, > but considering the guc submission is actually has an emulation of execlists > on top, so back to use the original function name to align with execlists > submission, as well as making the code change less. Is this explanation clear > enough to use the original function name? > > Thanks > Chuanxiao > > > > > > -----Original Message----- > > > From: Intel-gfx [mailto:intel-gfx-boun...@lists.freedesktop.org] On > > > Behalf Of Chuanxiao Dong > > > Sent: Monday, March 20, 2017 9:49 AM > > > To: intel-gfx@lists.freedesktop.org > > > Cc: intel-gvt-...@lists.freedesktop.org > > > Subject: [Intel-gfx] [PATCH] drm/i915/scheduler: add gvt > > > notification for guc submission > > > > > > GVT request needs a manual mmio load/restore. Before GuC submit a > > > request, send notification to gvt for mmio loading. And after the > > > GuC finished this GVT request, notify gvt again for mmio restore. > > > This follows the usage when using execlists submission. > > > > > > Signed-off-by: Chuanxiao Dong <chuanxiao.d...@intel.com> > > > --- > > > drivers/gpu/drm/i915/i915_guc_submission.c | 13 +++++++++++++ > > > drivers/gpu/drm/i915/intel_lrc.c | 15 --------------- > > > drivers/gpu/drm/i915/intel_lrc.h | 14 ++++++++++++++ > > > 3 files changed, 27 insertions(+), 15 deletions(-) > > > > > > diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c > > > b/drivers/gpu/drm/i915/i915_guc_submission.c > > > index a3636b3..328b11c 100644 > > > --- a/drivers/gpu/drm/i915/i915_guc_submission.c > > > +++ b/drivers/gpu/drm/i915/i915_guc_submission.c > > > @@ -520,6 +520,12 @@ static void __i915_guc_submit(struct > > > drm_i915_gem_request *rq) > > > unsigned long flags; > > > int b_ret; > > > > > > + /* Notify for the context status change schedule in > > > + * Currently only GVT care this notification for manually > > > + * context switch, like when using execlist mode submission > > > + */ > > > + execlists_context_status_change(rq, > > > INTEL_CONTEXT_SCHEDULE_IN); > > > + > > > /* WA to flush out the pending GMADR writes to ring buffer. */ > > > if (i915_vma_is_map_and_fenceable(rq->ring->vma)) > > > POSTING_READ_FW(GUC_STATUS); > > > @@ -623,6 +629,13 @@ static void i915_guc_irq_handler(unsigned long > > data) > > > rq = port[0].request; > > > while (rq && i915_gem_request_completed(rq)) { > > > trace_i915_gem_request_out(rq); > > > + /* Notify for the context status change schedule > > > + * out. Currently only GVT care this notification > > > + * for manually context switch, like when using > > > + * execlist mode submission > > > + */ > > > + execlists_context_status_change(rq, > > > + > > > INTEL_CONTEXT_SCHEDULE_OUT); > > > i915_gem_request_put(rq); > > > port[0].request = port[1].request; > > > port[1].request = NULL; > > > diff --git a/drivers/gpu/drm/i915/intel_lrc.c > > > b/drivers/gpu/drm/i915/intel_lrc.c > > > index becde55..4f5906b 100644 > > > --- a/drivers/gpu/drm/i915/intel_lrc.c > > > +++ b/drivers/gpu/drm/i915/intel_lrc.c > > > @@ -295,21 +295,6 @@ uint64_t intel_lr_context_descriptor(struct > > > i915_gem_context *ctx, > > > return ctx->engine[engine->id].lrc_desc; } > > > > > > -static inline void > > > -execlists_context_status_change(struct drm_i915_gem_request *rq, > > > - unsigned long status) > > > -{ > > > - /* > > > - * Only used when GVT-g is enabled now. When GVT-g is disabled, > > > - * The compiler should eliminate this function as dead-code. > > > - */ > > > - if (!IS_ENABLED(CONFIG_DRM_I915_GVT)) > > > - return; > > > - > > > - atomic_notifier_call_chain(&rq->engine->context_status_notifier, > > > - status, rq); > > > -} > > > - > > > static void > > > execlists_update_context_pdps(struct i915_hw_ppgtt *ppgtt, u32 > > > *reg_state) { diff --git a/drivers/gpu/drm/i915/intel_lrc.h > > > b/drivers/gpu/drm/i915/intel_lrc.h > > > index e8015e7..d3aa108 100644 > > > --- a/drivers/gpu/drm/i915/intel_lrc.h > > > +++ b/drivers/gpu/drm/i915/intel_lrc.h > > > @@ -87,5 +87,19 @@ uint64_t intel_lr_context_descriptor(struct > > > i915_gem_context *ctx, > > > /* Execlists */ > > > int intel_sanitize_enable_execlists(struct drm_i915_private *dev_priv, > > > int enable_execlists); > > > +static inline void > > > +execlists_context_status_change(struct drm_i915_gem_request *rq, > > > + unsigned long status) > > > +{ > > > + /* > > > + * Only used when GVT-g is enabled now. When GVT-g is disabled, > > > + * The compiler should eliminate this function as dead-code. > > > + */ > > > + if (!IS_ENABLED(CONFIG_DRM_I915_GVT)) > > > + return; > > > + > > > + atomic_notifier_call_chain(&rq->engine->context_status_notifier, > > > + status, rq); > > > +} > > > > > > #endif /* _INTEL_LRC_H_ */ > > > -- > > > 2.7.4 > > > > > > _______________________________________________ > > > Intel-gfx mailing list > > > Intel-gfx@lists.freedesktop.org > > > https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
