drm/i915: Deminish contribution of wait-boosting from clients
With boosting for missed pageflips, we have a much stronger indication
of when we need to (temporarily) boost GPU frequency to ensure smooth
delivery of frames. So now only allow each client to perform one RPS boost
in each period of GPU activity due to stalling on results.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Deepak S <deepak.s@linux.intel.com>
Reviewed-by: Deepak S <deepak.s@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index b450164..3b6ddd7 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1043,6 +1043,8 @@
bool enabled;
struct delayed_work delayed_resume_work;
+ struct list_head clients;
+ unsigned boosts;
/* manual wa residency calculations */
struct intel_rps_ei up_ei, down_ei;
@@ -2190,12 +2192,13 @@
struct {
spinlock_t lock;
struct list_head request_list;
- struct delayed_work idle_work;
} mm;
struct idr context_idr;
- atomic_t rps_wait_boost;
- struct intel_engine_cs *bsd_ring;
+ struct list_head rps_boost;
+ struct intel_engine_cs *bsd_ring;
+
+ unsigned rps_boosts;
};
/*