Quoting Lucas De Marchi (2019-08-16 11:04:57) > From: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx> > > The way our hardware is designed doesn't seem to let us use the > MI_RECORD_PERF_COUNT command without setting up a circular buffer. > > In the case where the user didn't request OA reports to be available > through the i915 perf stream, we can set the OA buffer to the minimum > size to avoid consuming memory which won't be used by the driver. > > Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> > Cc: Matthew Auld <matthew.auld@xxxxxxxxx> > Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx> > Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx> > --- > drivers/gpu/drm/i915/i915_perf.c | 98 +++++++++++++++++++++----------- > drivers/gpu/drm/i915/i915_reg.h | 2 + > include/uapi/drm/i915_drm.h | 7 +++ Any patch touching i915_drm.h should have a link to the corresponding userspace series. Regards, Joonas _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
