On Mon, 01 Nov 2021 18:26:05 -0700, Vinay Belgaumkar wrote: > > Waitboost is a legacy feature implemented in the Host Turbo algorithm. This > patch set implements it for the SLPC path. A boost can happen when a request > is waiting for an unmet dependency. GT frequency gets temporarily bumped to > boost freq to allow the previous request to finish quickly. We achieve this > on SLPC by setting the min frequency, SLPC will set that as the requested > frequency. > > The boost will occur through a worker thread that will be scheduled > when the required conditions are met. > > Like before, boost frequency is configurable through sysfs, so we can > adjust it to any specific value as long as it is between [min, RP0]. > > v2: Add a worker thread to perform freq boost. > v3: Address comments (Ashutosh) For the series: Reviewed-by: Ashutosh Dixit <ashutosh.dixit@xxxxxxxxx> > Cc: Ashutosh Dixit <ashutosh.dixit@xxxxxxxxx> > Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@xxxxxxxxx> > > Vinay Belgaumkar (3): > drm/i915/guc/slpc: Define and initialize boost frequency > drm/i915/guc/slpc: Add waitboost functionality for SLPC > drm/i915/guc/slpc: Update boost sysfs hooks for SLPC > > drivers/gpu/drm/i915/gt/intel_rps.c | 72 +++++++++ > drivers/gpu/drm/i915/gt/intel_rps.h | 3 + > drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c | 151 +++++++++++++++--- > drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h | 3 + > .../gpu/drm/i915/gt/uc/intel_guc_slpc_types.h | 13 ++ > drivers/gpu/drm/i915/i915_request.c | 2 +- > drivers/gpu/drm/i915/i915_sysfs.c | 19 +-- > 7 files changed, 223 insertions(+), 40 deletions(-) > > -- > 2.25.0 >
